Semiconductor diode (P-N) Junction diode characteristics 2001
Two regulated dc supplies 0-3V, and 0-50 volts, one germanium diode, two dual range meters with range and mode select.

Semiconductor diode (P-N) junction diode characteristics 2002
Similar to above with in four meters.

Zener diode (reverse breakdown) characteristics. 2003
One regulated dc supply 0-10 volt, two meters and one zener diode.

Zener diode (voltage regulation) characteristics. 2004
One regulated dc power supply 0-15 volts, two meters one in dual range, one selected load decade and one zener diode.

Transistor (Si, P.N.P & N.P.N) Characteristics 2005
Two regulated dc supplies, 0-3V and 0-10V, three meters, leads and sockets to covert CE or CB mode, two Si N.P.N & P.N.P transistors.

Transistor characteristics (Si, P.N.P & N.P.N) or GE P.N.P. 2006
As above with four meters.

F.E.T Characteristics 2007
Two regulated dc supplies, 0-6 V and 0-20 volts. Three meters, one FET.

MOSFET Characteristics 2008
Two regulated dc supply, 0-3V and 0-20 Volts, three meters, one Mosfet.

Dual gate MOSFET characteristics 2009
Three regulated dc power supplies, 0-3V, 0-5V and 0-20V. Three meters, one calibrated in dual range. One dual gate Mosfet.

U.J.T Characteristics with study of relaxation oscillator 2010
Two regulated dc power supply, 0-20 volt each. Two meters, one UJT, one capacitor and potentiometer.

DIAC Characteristics 2011
One regulated dc supply 0-40 volts, one fixed AC supply of 40 volt with potentiometer, capacitor, two meters, diac.

S.C.R Characteristics 2012
Two regulated dc supplies, 0-3V and 0-75 volts. One potentiometer, RL, reset key, trigger LED, SCR and three meters.

TRIAC Characteristics 2013
Two regulated dc supply, 0-3V and 0-75V. One triac, RL, reset key, trigger mode LED, one potentiometer, 3 meters.

Thermistor (Glass) characteristics 2014
One regulated dc power supply 0-10 volt, one glass encapsulated thermistor mounted in electrically heated oven, glass thermometer, two meters.

Band gap (energy gap) in semiconductor diode 2015
Fixed stabilized dc supply 3 volt, germanium point contact diode mounted in electrically heated oven, dual range µAmmeter.

Op-amp Parameters 2016
Dual symmetrical IC regulated power supply for op - amp, one dual mode digital meter, one op-amp 741, switches, resistor networks and potentiometer.

Hybrid Parameters of transistor in CE Configuration 2017
Two regulated dc supply, 10 volt and 0-1 volt with two FE inductors, two dc meters, one triple range ac millivoltmeter, 1 Kc sine wave oscillator with amplitude control, one switch and GE transistor.

L.E.D (Current v/s illumination) Characteristics 2018
One IC regulated dc power supply 0-20 volts with current limit resistor,one high impedance dual voltmeter, one dual range µAmmeter. One opto coupler source with HG LED in housing, one µAmeter for intensity measurement (cal in arbitrary units).

Photo Voltic Cell (Solar cell) Characteristics 2019
One panel mounted light source with variable intensity operable on inbuilt IC regulated power supply 3-12 volt, 3 Amp, 12 volt 21 watt lamp, photo voltic cell, one mAmeter. one high impedance voltmeter and two decades of RL.

Photo Diode Characteristics 2020
One regulated dc supply 0-25 volts, two resistors, one photo diode in light tight case with 12 volt, 21W tungsten lamp operable on inbuilt 3-12 volt 3 amp power supply, one µAmeter and one high impedance voltmeter.

Photo transistor Character 2021

Diode valve characteristic 2022
One dc regulated power supply 0-250 volts with current limit RL, one diode valve mounted upon panel base, two meters with LT control for different meter currents.

Triode Valve Characteristic 2023
Two dc regulated power supplies 0-300 and 0-25 volts, one triode valve mounted upon panel base, three meters.

Verification of Child Law 2024
One dc regulated power supply 0-150V, one regulated dc supply 0 - 5 volt, one dual range voltmeter, two µAmeters, one diode valve mounted upon panel base.

Photo Electric cell (vacuum) Characteristics 2025
One regulated power supply 0-100 volts, one µAmeter with calibrated x10 amplification (0-2 µA scale) one high impedance voltmeter, one single rod 1/2 mtr optical bench with photo electric cell mounting, one lamp house 100watt.

Work function of Diode Emitter (verification of Richardson Law) 2026
One regulated power supply 0-150 V, one supply 0-3V, one high impedance voltmeter with one µAmeter in LT circuit, one voltmeter and µAmeter in HT circuit, one diode valve in base upon panel.

Thyratron valve characteristics (Ionization and firing) 2027
Two dc regulated power supplies, 0-150 volts and 0-15 Volts. Thyratron valve mounted in panel base, one RL, one potentiometer, one voltage divider network, one dual range µA/µAmeter, one dual range voltmeter.

Tetrode or Pentode valve characteristics 2028
Three regulated dc power supplies, 0-300V, 0-200V and 0-30 V. One Tetrode or pentode valve as per requirement mounted upon panel base, four meters, one of them is dual mode, one RL.

Ionization potential of mercury (diode) 2029
One IC regulated dc supply 0-30 Volt, 0.5Amp with current limit, L.T supply, Mercury valve 2A1 fitted upon base, one voltmeter and one dual range µAmmeter.

Voltage regulator tube (V-R tube characteristics) 2030
One regulated dc power supply 0-200 volts, one voltmeter with switch, one µAmmeter, fixed value RLs, one current limit resistor and VR tube with base.

Study of transistor audio amplifier in CE configuration 2031
Inbuilt fixed IC regulated supply 12VDC. Transistor common - amplifier circuit with associated components and sockets to measure voltages. Optional : AC millivoltmeter and Audio osc.

Study of single stage R-C coupled amplifier 2032
As above with three different capacitors and two RL.

Study of emitter follower amplifier 2033
One fixed IC regulated power supply, transistor in CC mode with associated components, test points in socket form. Optional: AC millivoltmeter and Audio osc.

Two stage R - C coupled amplifier 2034
Fixed IC regulated dc supply, identical two transistor R-C coupled amplifier with associated components, switch to decouple both stages, RL and test sockets. Optional: AC millivoltmeter, CRO, Audio osc

Differential amplifier 2035
Fixed IC regulated power supply, two transistor in differential amplifier configuration, one potentiometer, RL, test sockets. Optional: CRO, AC millivoltmeter, Audio osc.

Single stage negative feedback amplifier 2036
Fixed IC regulated power supply, one transistor in CE amplifier configuration, networks to study effect of negative feedback in different forms, sockets for measurements. Optional: CRO, AC milivoltmeter, Audio osc.

Two stage negative feedback amplifier 2037
Fixed IC regulated dc power supply, R-C coupled two transistor amplifier, two networks with different R for negative feedback, test sockets for measurement. Optional: CRO, Audio Osc, AC milivolmeter.

Two stage direct coupled amplifier 2038
Fixed IC regulated dc supply, two transistor amplifier with associated components, three resistors to decide circuit parameters, test points for measurements, switch to apply negative feedback. Optional: CRO. AC milivoltmeter, Audio osc.

Tunned voltage amplifier characteristics 2039
Fixed dc supply with single stage tunned amplifier circuit with two resistors and capacitors to verify parameters, test sockets. Optional: AC milivoltmeter and Audio Osc.

Wideband amplifier 2040
Fixed IC regulated dc power supply, two transistor amplifier with double negative feedback, switch to cut - off feedback, test sockets. Optional: CRO and audio osc.

Study of push-pull amplifier class AB 2041
Fixed dc power supply, two transistor transformer coupled push - pull class AB amplifer, fixed value RL ( 5 Nos ), one µAmmeter. Test sockets provided. Optional : CRO, Audio oscillator, AC millivoltmeter or AF power meter.

Study of transformer less push-pull amplifier 2042
Fixed dc supply, three transistor circuit having complimentary transistor pair in output stage, 5 fixed value RL, test points. Optional : CRO, Audio oscillator, AC millivoltmeter or A.F power meter.

Study of power amplifiers, class A, B & AB 2043
Fixed value dc power supply, circuit comprises three transistors, two diodes, fixed value resistors. Sockets are given to convert the operation as A, b and AB class operations. 5 fixed value resistance for power calculations. Optional: CRO, Audio osc, AC millivoltmeter or AF power meter & THD meter.

Study of Class C amplifier 2044
Fixed dc power supply, two transistor amplifier with HF transformer, test sockets. Optional: CRO, Audio oscillator.

Discrete operational amplifier 2045
Fixed dual dc power supply with one potentiometric divider for +3 volt DC input, three stage circuit comprises five transistor, one potentiometer, four resistors to verify the operation. test points for measurements. Optional: Digital multimeter, CRO, Function generator.

Study of Half wave/Full wave rectifier supply 2046
Step down transformer with centre tap, switch to connect diode to form full wave rectifier, one dc voltmeter, one dc µAmeter, one linear scale ac voltmeter, one RL in form of potentiometer.

Rectifier and filter characteristics 2047
Step down transformer with center tap, two diode and one switch to form full wave rectifier circuit. One R, One L, Two C for different filter formations. One dc voltmeter and one dual range linear scale ac voltmeter. mA meter can be provided on extra cost.

Transistor regulated power supply 2048
Three tap step down transformer, bridge rectifier, µAmmeter, voltmeter, decade RL with selected values, three transistor circuit to form series pass regulator, one potentiometric divider, zener stabilize reference. Third meter to measure ripple% can be provided on extra cost.

Study of IC regulated power supply 2049
Three tapped step down transformer, bridge rectifier, veneer diode generated reference, IC 741 as error amplifier, series pass transistor, current limiter, fixed value RL in decade, one voltmeter, one µAmeter. Third meter to measure ripple on extra cost.

Voltage Doubler/Tripler Circuit 2050
Two tapped step down transformer, three semiconductor diode rectifiers, three electrolytic capacitors of 2V ratings, 11 load resistors, one dc high impedance voltmeter. An linear scale ac voltmeter can be provided on extra cost.

Study of three Terminal Voltage Regulator Characteristics 2051
Regulated dc power supply 0-10 volts @ 1.5 Amp, one 7805 three terminal voltage regulator on heat sink, RL decade, one voltmeter and one Ammeter in dual range.

Study of SCR Phase control 2052
One fixed AC supply, one fixed dc power supply, UJT relaxation oscillator with sync input, one dc voltmeter with fixed value RL, SCR in half wave controlled rectifier. Potentiometer with diode. Test points for observations. Optional: CRO

TRIAC Phase Control 2053
Isolated ac power supply, fixed value RL, Potentiometer with R-C phase shift circuit. One AC voltmeter. Test points to observe waveforms. Optional: CRO

Study of R-C phase shift oscillator 2054
Two transistor R-C phase shift oscillator circuit with associated components, fixed dc power supply. Optional: CRO (Freq Counter), audio oscillator and ac milivoltmeter.

Study of Wein's bridge oscillator 2055
Two transistor R-C Wein bridge oscillator with two set of R and C selected by two switches. Inbuilt regulated power supply with potentiometer in feedback loop. Optional: CRO (freq counter), audio oscillator and ac milivolmter.

Study of Hartley's oscillator 2056
Circuit has one transistor, bias network, coupling capacitor, tapped inductor, variable capacitor and inbuilt IC regulated dc power supply. Optional: CRO and freq counter.

Study of Astable Multivibrator 2057
Circuit has two transistors, with six R and four C to obtain different periodic waveforms. Inbuilt power supply with test points. Optional: Triggered CRO.

Study of Bistable Multivibrator 2058
Circuit has two transistors, associated components with three diodes, monopulser, buffered LED and inbuilt power supply. Optional: Triggered CRO, Audio osc.

Study of Monostable Multivibrator 2059
Circuit comprises, two transistors with associated components, 4 R and 2 C for different time constants, monopulser, buffered LED with fixed dc power supply. Optional: Triggered CRO and audio osc.

Timer IC 555 as Multivibrators 2060
Inbuilt regulated dc power supply, timer IC NE 555, 5 R, three C for different time periods, one monopulser, One buffered LED,one potentiometer. Optional: CRO, freq counter & audioosc.

Study of function Generator Chip NE 566 2061
Regulated fixed dc supply, two potentiometer with three different R and C to verify the operational characteristics. IC NE 566, with necessary components. Optional: CRO, freq counter and multimeter (digital preferred)

Study of Sweep Generators 2062
Circuitry comprises 6 transistors with associated components, socket and lead combinations to form, Miller, Bootstrap and CC sweep generators. Inbuilt power supply with three C and one potentiometer. Inbuilt pulser key. Optional: Triggered CRO, digital multimeter and function generator.

Op-amp 741 amplifier 2063
Inbuilt dc regulated symmetrical power supply for op - amp, continuously variable 0- 5 volt supply, one voltmeter, three resistor for different gain and coupling capacitor for ac input. Optional: Audio osc, ac millivoltmeter.

Op-amp Mathe Circuits 2064
Circuit components to form op-amp as an integrator, differentiator, summing amp and as substractor amplifier. Inbuilt symmetrical dc power supply for op - amp, two fixed dc supply for operation verifications, one dc voltmeter. Optional: Function generator and CRO.

Op-amp as V/I and I/V converter 2065
Three R networks to confirm the operation, Dual regulated symmetrical supply for op-amp, one continuously variable dc supply as input source, one milliammeter and one voltmeter.

Op - amp RC sinusoidal oscillators 2066
Four networks to configure op-amp as Weins bridge oscillator, phase shift oscillator and twin T oscillator. Dual symmetrical regulated dc supply for the op - amp. Optional: CRO, freq counter, audio oscillator and ac millivoltmeter.

Op-amp as non sinusoidal wave generator 2067
Circuit comprises two op - amps with inbuilt dual symmetrical supply. Selected R and C to verify the circuit parameter. Optional: CRO, freq counter, multimeter.

Op-amp multivibrators 2068
Two op - amps with required components. Different R and C to verify the operation, dual symmetrical supply, monopulser and buffered LED. Optional: CRO, audio osc.

Op - amp as active Filters 2069
Three op-amps with associated components to form op - amp, as low pass. high pass, band pass and notch filter. Inbuilt DC symmetrical power supply. Optional: Audio oscillator and ac milivoltmeter.

Op-amp experimental Board 2070
OP-amp with inbuilt symmetrical dc supply. Necessary components bank to perform at least 21 experiments.

Op-amp as Comparator and Schmitt Trigger 2071
Op-amp with inbuilt symmetrical dc regulated power supply. 11 selected resistance for different hystersis, variable reference voltage for different threshold level of comparator. Optional: CRO, audio oscillator and digital mulltimeter.

VCO type Digital Voltmeter 2072
Comprises precision op-amps based V to F converter, three digit high speed crystal controlled counter, inbuilt supplies for different circuits and one variable supply for reference. Optional: CRO, digital multimeter.

Verify the operation of AND, OR & NOT gates 2101
Inbuilt +5V dc supply for logic gates. Two logic switches. one buffered LED.

Logic gates, AND, OR, NOT, NAND, NOR operations 2102
Five separately built logic gates with their symbols, inbuilt +5 volt supply, Two logic switches and one buffered LED.

Digital trainer on logic operations 2103
Logic gates provided to perform 28 experiments. Inbuilt +5 volt supply, Three logic switches, Two buffered LEds, one monopulser.

Study of R-S, D and J-K flip-flops.2104
Three separately built flip - flops, inbuilt +5 volt power supply, Two logic switches, Two LED, one pulser cum clock generator.

Study of counters 2105
Basic flip-flops and logic gates are provided to construct and verify, ripple, ring, programme and modulus - n counter operations. Clock cum pulser generator. four buffered LEDs with inbuilt +5V supply.

Study of up/down counter 2106
Inbuilt +5V supply, flip-flops with logic gates, one logic switch, one clock cum pulser generator, two buffered LED.

Study of 4 bit shift register operation 2107
Four bit shift register 7495, inbuilt +5V supply, logic switch to perform serial / parallel operations, sockets for left / right shift operation.

Verification of Demorgan's theorem 2108
Four TTL IC powered by inbuilt +5V supply. Two logic switches, one buffered LED

To construct different logic gates using universal building block NAND gate 2109
16 NAND gates to construct, AND, NOT, NOR, OR, EX-OR, R-S flip-flop, D type flip flop and J - K flip flop. Inbuilt +5V supply, two logic switches with one monopulser and two buffered LEDs.

Study of 4 input multiplexer 2110
Circuit comprises TTL logic gates to perform the multiplexer operation. Two logic switches to produce control signal and eight sockets for logic inputs. LED at output, with one clock generator to observe the mux operation on CRO.

Study of 4 output demultiplexer 2111
Similar to above with four LEDs and one input switch.

BCD to Decimal decoder 2112
Four input logic switches, 10 LEDs to indicate decimal outputs, inbuilt +5 volt supply

Decimal to BCD encoder 2113
Nine logic switches for decimal number inputs, 4 LED to indicate encoded output, inbuilt +5 volt supply.

Encoder/Decoder 2114
4 input encoder and four output decoder circuits upon single board. Complete circuit built of logic gates. 4 logic switches and three buffered LED. Inbuilt +5V supply.

BCD to seven segment decoder/driver with display 2115
Circuit based upon TTL IC 7447, with seven segment LED display, 4 logic switches, inbuilt +5 volt supply.

Study of Half adder/full adder circuit operation 2116
Circuit based upon TTL ICs. Inbuilt supply, three logic switches, two buffered LEDs.

Study of Half substracter/full substracter operation 2117
Circuit based upon TTL ICs. Inbuilt supply, three logic switches and two buffered LED.

16 x 4, bit Static Random Access Memory 2118
Circuit has 7489, with 4 address, 4 data switches with two CS, and WR controls. Input/output data displayed on 4 buffered LEDs with clock.

Study of Static RAM 6116. 2119
8 data switches, 8+2 address with 2 control switches. Inbuilt +5V supply with 8 buffered LEDs.

3 Bit Flash Encoder 2120
Circuit based upon high speed comparators and TTL ICs. Inbuilt +5 volt supply, reference ladder, analog supply, buffered LEDs at output, test sockets at different places to measure voltages. One voltmeter.

4 Bit analog to digital converter (counter method) 2121
Circuit based upon high speed comparator and TTL ICs. Inbuilt supplies with one voltmeter. LEDs fitted at different places to observe the operation. Inbuilt clock, pulser.

4 bit Digital to analog converter (R-2R ladder) 2122
Circuit has tri-position switches to feed data, inbuilt supply, precision resistors in ladder form, I to V converter. This board can be used in conjunction with above board.

Octal to binary code converter 2123

Binary to gray and gray to binary code converter 2124

Excess 3 to BCD and BCD to Excess 3 code converter 2125

Data Transmitter/Reciever 2126
Kit consists 8 line, Ttrasmitter/Reciever pair with 8 data entry switches, address generator, clock, pulser and buffered LEDs at address/reciever end.

Thermistor 2201
Study of thermistor as temperature measuring transducer electrically heated oven up-to 90ºC Thermistor (NTC) mounted in metallic tubing and protected from corrosion. Study of non-linear (exponential) characteristics Unbalance Bridge circuit with 1st degree linearization Differential gain amplifier 3.5 digit DPM as temperature scale Glass thermometer for reference Detailed instruction manual

Thermocouple 2202
Study of thermocouple as temperature measurement transducer. electrically heated block to raise temperature >200ºC, with different voltage. Thermocouple transducer type K, housed in a steel tube. Cold junction compensation circuit. High gain instrumentation amplifier. 3.5 digit DPM as temperature indicator. Glass thermometer for reference. Detailed instruction manual.

Resistance Temperature Detector 2203
Study of RTD as temperature measuring transducer. Electrically heated oven up to 90ºC RTD (PT-100) probe with protection cover. 3.5 digit DPM as temperature indicator. Bridge circuit for transducer. Differential amplifier with feedback. Lead compensation system. Glass thermometer for reference. Detailed instruction manual.

Measurement of Speed by Photo Electric Pick Up 2205
Study of speed measurement by light interrupt method 12V, 2400 RPM permanent magnet dc motor Speed controller (0-2400 RPM) up to interrupter disc. LED as light source Photo diode as sensor Signal conditioning circuitry based upon Op amps Electronic tachogeneration 4 digit digital counter as speed indicator Test points at various places to study the process The motor and transducer unit is covered with acrylic sheet. Built in IC regulated power supplies for motor and process circuit. Detailed instruction manual.

Measurement of Speed by Electromagnetic Pick Up 2206
Study of speed measurement by variable reluctance transducer 12V, 2400 RPM permanent magnet dc motor Speed controller (0-2400 RPM) Electromagnetic pick up Signal conditioner circuitry based upon Op-amps Excitation voltage for pick up 4 digit digital counter for speed display Electronic tachogeneration. Built in IC regulated supplies Detailed instruction manual.

Measurement of Light Intensity by Light Dependent Resistance 2207
Study of light dependent resistor as light intensity measuring transducer Sockets for LDR to measure resistance at different intensity levels to determine the non-linear nature 1st degree linearization circuit unbalance bridge for LDR interface 12 Volt 21 Watt tungsten lamp with intensity control (continuously variable) Calibration graph supplied with the tutor Luxmeter (optional) 3.5 digit DPM as light intensity indicator sockets at different places to study the process To find out the error rate Detailed instruction manual.

Measurement of Light Intensity by Photo Voltic Cell 2208
To study of Photo Voltic Cell as light intensity measuring transducer 12 Volt 21 Watt lamp with intensity controller (continuously variable). Silicone Photo Voltic Cell mounted in bakelite mould. Provision for operating the cell at different points upon the output curve to prove the linear transfer nature in short circuit mode and non linear in open circuit mode Op amp as signal conditioner 3.5 digit digital DPM as light intensity indicator. Built in IC regulated power supply detailed instruction manual with calibration curve.

Measurement of Light Intensity with Photo Diode 2209
To study of photo diode as light intensity measuring transducer 12 volt 21 watt lamp with intensity controller (continuously variable) PIN photo diode mounted in metallic housing Op amp in signal conditioner circuit 3.5 digit DPM as light intensity indicator. Sockets to measure reverse current Plotting to verify the linear nature of diode transfer characteristics Calculation of error rate Calibration curve Built in IC regulated power supply. Detailed instruction manual

Linear Displacement by Linear Motion Potentiometer 2210
To study of measurement of linear displacement by potentiometer Linear Motion Potentiometer as transducer Motion travel 0-100 mm Mechanical attachment with vernier 3.5 digit DPM as displacement indicator Cal constant Offset adder for position modulation Op-amp in signal condition circuit Built in IC regulated power supply Detailed instruction manual

Measurement of Angular Displacement by Servo Potentiometer 2211
To study of servo potentiometer as angular displacement measurement transducer. Full 360º rotation servo potentiometer Op-amp in signal conditioner circuit Offset adder for position modulation Calibrated dial with 1º resolution 3.5 digit DPM to read displacement Cal constant Built in IC regulated power supply Detailed instruction manual

Linear Variable Differential Transformer 2212
To study of LVDT as displacement transducer Built in ac excitation source 2.5 kHz typical Linear variable differential transformer in non metallic structure Micrometer attachment with mechanical displacement system Displacement range +15 mm Sockets at different places for observing/measuring the signals Balanced demodulator IC based 3.5 digit DPM as displacement indicator Built in IC regulated power supply Detailed instruction manual

Study of Inductive Pick Up 2213
Micrometer attachment for mechanical displacement
Displacement range 0-10 mm
Op amp based signal conditioning circuit
Built in ac excitation source
Sockets at different points for observations
3.5 digit DPM for indication of displacement
Built in IC regulated power supply
Detailed instruction manual

Study of Capacitive Pick Up 2214
Variable condenser (gang condenser) as transducer
OP amp based signal conditioning circuit
Built in ac excitation source
Test Point for measuring Signals
3.5 digit DPM for indication of displacement
220V, IC regulated Power supply
Detailed instruction manual

Measurement of Load using Load Cell 2215
Study of Load
Range: 0-2Kg
Load Cell
Weights for measuring load
Test Point for measuring Signals
3.5 digit DPM for indication of load
220V, IC regulated Power supply
Detailed instruction manual

Measurement of Strain using Strain Cantilever 2216
Study of Strain
Range: 0-1000 microstrain
Strain Gauge Cantilever
Weights for measuring microstrain
Test Point for measuring Signals
3.5 digit DPM for indication of load
220V, IC regulated Power supply
Detailed instruction manual

Measurement of Pressure using Pressure Cell 2217
Study of Pressure
Range: 0-10 KG
Pressure Cell
Sockets at different places for observing / measuring the signals
3.5 digit DPM indication of Pressure
220V, Built in IC regulated power supply
Detailed instruction manual

Measurement of Speed by Proximity type sensor 2218
Study of speed measurement by Proximity type sensor
12V, 2400 RPM permanent magnet DC motor
Speed controller (0-2400 RPM)
Signal conditioner circuitry based upon Op-amps
Excitation voltage for pick up
4 digit digital counter for speed display
Built in IC regulated supplies
Detailed instruction manual.

Measurement of Water Level by Capacitive Transducer 2219
Range: 0-250mm
Jar with Scale
Capacitive Transducer
Sockets at different points for observations
3.5 digit DPM for indication
Built in IC regulated power supply
Detailed instruction manual

PID Controller 2301
Study on simulated PID controller PID Controller (configurable as P, PI, PD and PID)
Proportional band: 1% to 50% (Gain 0-20) Integral time: 10mS-100mS Derivative time: 2-20 mS Signal sources Square wave: 0-2Vpp at 10-40 Hz ( typical ) variable Triangular wave: 0-2Vpp at 10-40 Hz (typical) variable Built in IC regulated power Supplies 3.5 digit DVM Complete with patch cords and working manual

PID Controller (model process) 2302
Study of PID controller, with model process of temperature control. Proportional band: 1%-100% Integral and derivative times are adjustable with potentiometers with calibrated dials Temperature measurement by LM 335 semiconductor IC. One analog meters to observe output continuously Set point adjustable between room temperature to 800C. One mini fan and a heater to decrease-increase the temperature of heating block. Well detailed experimental manual with temperature measuring by digital panel meter

Linear System Simulator 2303
Study of simulated linear systems Simulated blocks configurable as first, second and third order systems. Disturbance adding facility at input and output Signal sources Square wave: 20-80Hz, 0-2Vpp continuously variable Triangular wave: Similar to square wave both in frequency and amplitude Integrated triangle wave fixed amplitude. Built in IC regulated power supply Complete with detailed instruction manual and patch cords

Potentiometric Error Detector 2304
To study of potentiometer as error detector element Two Full 360º rotation servo -potentiometers with 1º resolution IC regulated DC excitation for both potentiometers AC excitation at 400 Hz approx. Built in demodulator circuit 3.5 digit DVM for carrying measurements IC regulated power supply for rest of the circuitry. Complete with instruction manual.

Compensating Circuits 2305
Study of lag, lead and lag- lead Second order simulated systems study of All pass filter Lag, lead and lag-lead compensating circuits Gain compensating amplifier with calibrated dial Signal sources Sine wave: Continuously variable in two decades (10-1000 Hz) with 0-8Vpp amplitude Square wave: 20, 40 & 80 Hz spot frequencies with 0-2Vpp amplitude Digital phase angle meter 0-180º (optional). Complete with patch cords and detailed literature.

DC Position Control System 2306
Study of DC position servo Position control of a 12 volt, 1 Amp DC geared PM motor (50/60 RPM) Calibrated dials with 10 resolution for reference and output position. Two 360º servo-potentiometers Built in step signal Built in waveform capture/display card for study dynamics 3.5 digit digital voltmeter IC regulated DC power supplies for circuitry. Supporting literature for experiments.

DC Speed Control System 2307
Study of speed control of dc motor in open and close loops Speed control of 12V, 4W, permanent magnet dc motor Speed range upto 3000 RPM (typical) Electronic tachogenerator for feedback Non-contact eddy current break for load 4 digit RPM counter, 3.5 digit digital voltmeter, Built in regulated power supply. Detailed instruction manual.

Stepper Motor with microprocessor interface 2308
TTL circuit for single stepping and free run mode with frequency generator <10-100H z. Wobble mode Direction selector LED indicators for phase sequence observation 12 V, 1 A/phase, 2.0 Kg/ cm torque, 1.8º stepper motor, mP interface Calibrated dial for position monitoring Position pick up by servo potentiometer IC regulated power supply for complete circuitry. Supporting literature with patch cords.

AC Position Control System( ECO ) 2309
Study of AC position servo Two precision servo-potentiometers full 360º rotation Calibrated dials for command and output position with 1º resolution Motor controller circuit (thyristorized) 110 volt two phase AC servo motor(60 RPM synchronous) Waveform capture/display card 220 Vac mains operation Isolated supplies for motor, control circuit and card. Supporting literature.

Synchro Transmitter - Receiver 2310A
Study of selsyn Two dials for input / output angular displacement Knobs with large pointers on transmitter and receiver Sockets for rotor (R1, R2) and stator (S1, S2, S3) on panel Built in isolated power supply for both Attenuated output on sockets for view of signal observation on CRO. Supporting literature

Control Transformer (part of selsyn) 2310B
To study control transformer as error signal generator. Calibrated dial with 5º resolution Sockets for stator and rotor windings Reference chart for phase and amplitude as error signal.

Magnetic Amplifier 2311
To study input-output characteristics of a magnetic amplifier. Two saturable reactors in one frame 2 Rectifiers Fixed Resistive load DC Bias voltage One Potentiometer. Two analog meters Supporting literature.

Speed Torque Ch of AC Servomotor 2312
Two phase ac servo motor (2500 RPM) Electronic speed sensor with RPM display upon panel meter Ammeter for load current DC motor for loading. Torque calculation from back emf Speed controller for motor 220 Vac mains operation Isolated supply for motor Supporting literature Servo Stabilizer to study servo controlled AC Voltage stabilizer as position control system. Dimmer (1KVA) with servomotor. Output Sense transformer Loads (heating elements) Loop Process with variable gain AC Voltmeter and Ammeter. Supporting literature Waveform capture card (optional).

Speed Torque Ch of DC Servomotor 2314
Shunt wound dc servomotor separate field and armature DC supplies Two analog meters to take readings of volt and current for field and armature Analog RPM meter. Belt and pulley loading for torque measurement Two spring balance 220Vac line operation. Detailed literature

AC position control system 2315
To study AC position control system Two phase AC servomotor with speed reducing gears. Tachogeneration by small dc motor coupled with ac servomotor Position indication by 100 mm graduated dial Control transformer and transmitter as sense and control element High gain ac servo amplifier with different gain settings Step position command key. Detailed literature Waveform capture card ( optional )

Relay Control System 2316
Relay 220V/5A, Relay drive circuit, input sense circuit, set Point controller, electric bulb, Photocell, Intensity Controller Detailed literature

To study control action of light control device 2317
3 miniature bulbs controlled by solid state regulator Error detector cum gain amplifier with variable gains 1 to 11 LDR as light intensity sensor P-I controller with fixed parameters introduced in controller circuit by switch. Reference Potentiometer 2 miniature to add disturbance. Detailed literature.

Amplitude Modulation/Demodulation DSB 2401
Kit consists: Inbuilt carrier frequency oscillator, inbuilt 1Kc sine wave oscillator with amplitude control 0-10 Vpp. Transistorized modulating circuit with tank circuit. Demodulation with diode detector with RL and C. Built in supply, mains operated.

Amplitude Modulation/Demodulation DSB SC 2402
Kit consists: Inbuilt carrier frequency generator, inbuilt 1Kc sine wave oscillator with amplitude control, balanced modulator with carrier null control. Demodulator consists, inbuilt local oscillator with crystal lock, product demodulator with low pass filter. Built in supply mains operated.

Amplitude Modulation/Demodulation SSB 2403
Kit consists: Inbuilt carrier oscillator, inbuilt 400 Hz sine wave oscillator with amplitude control, balanced modulator, crystal filter with tuned circuit, synchronous demodulator with LPF. Built in supply, mains operated.

Amplitude Modulation / Demodulation VSB 2404
Kit consists: Inbuilt carrier oscillator, inbuilt 1 Kc sine wave oscillator with amplitude control, balanced modulator, filter consists crystals and tuned circuit, detection by product demodulator with LPF. Built in supply, mains operated.

Frequency Modulation/Demodulation Reactance modulator 2405
Kit consists: 1 MHz, Transistorized oscillator / modulator circuit with buffer amplifier. Demodulation by slope detector. Built in supply, mains operated.

Frequency Modulation / Demodulation VCO type 2406
Kit consists: Frequency generation and modulation by voltage controlled oscillator IC 8038 running at center frequency 20 kHz. Inbuilt phase synchronized 2 kHz modulating oscillator. Detector circuit consists phase lock loop. Built in supply, mains operated.

Pulse Width Modulation / Demodulation 2407
Kit consists: Trigger pulse generator spot frequency, MMV with constant current source to obtain pulse width modulation. Inbuilt synchronized AF generator with variable amplitude. Demodulator consists an integrator and low pass filter. Built in supply , mains operated.

Pulse Position Modulation and Demodulation 2408
Kit consists: Trigger pulse generator and MMV with pulse shaper to generate PPM signals. Demodulator consists carrier synchronized flip-flop with integrator and low pass filter. Built in supply, mains operated.

Pulse Amplitude Modulation and Demodulation 2409
Kit consists: Sampling rate generator with four selected frequencies. Pulse width controller to vary the sampling pulse widths, two modulator (a) mosfet switch (b) sample and hold circuit. Demodulation circuit is based upon LPF. Inbuilt synchronized AF generator with variable amplitude. Built in supply, mains operated.

TDM Pulse Amplitude Modulation and Demodulation 2410
Kit consists: Crystal controlled sample rate generator with 1-4 line decoder. 3+1 channel analog mux for sampling to generate TDM PAM signal. Demodulator consists, threshold comparator with PLL sync generator, three channel analog switching demux, with LPF (3 No.) three synchronized AF frequencies with independent amplitude controls. Built in supply, mains operated.

Delta Modulation/Demodulation 2411
Kit consists: Two frequency sample rate generator, one high speed comparator, one linear integrator, flip-flop and buffer. Quantitizer demodulation circuit with integrator and LPF. Synchronized two spot frequency AF sine wave generator with variable amplitude controls. Built in supply, mains operated.

Adaptive Delta Modulation and Demodulation 2412
Kit consists: Three frequency sampling generator, high speed compactor, control flip-flop, linear integrator with different integrals selected by logic circuit monitor the pulse width, demodulator has same circuit with LPF Inbuilt synchronized 2 AF generators with variable amplitude controls. Built in supply, mains operated.

PULSE CODE MODULATION/DEMODULATION 2413
Kit consists: Crystal controlled frequency sample rate generator, high speed sampler, bit quantitizer (8 bit) encoder (ADC 800) followed by parallel to serial converter. Demodulator has shift register, PLL decoder, dequantitizer (8 bit DAC), and LPF. Inbuilt analog 0-5 volt dc supply as signal. Built in supply, mains operated.

AM TRANSMITTER DEMONSTRATOR 2414
The board consists: Audio preamplifier to accept signals from microphone, Variable carrier frequency generator with constant amplitude from 550-1600 kHz, RF power amplifier with antenna. Transmission range 20-30 feet. Complete on printed circuit board with screen printing and test points, housed in teak box with cover. Three switched faults. Built in power supply, mains operated.

AM Receiver Demonstrator 2415
The board is designed as part of AM transmitter demo as well as independent unit. The board has antenna (coil), RF amplifier, local oscillator (1000-2100 kHz) mixer and IF amplifier, detector and AF amplifier with 3" loudspeaker. Three switched faults. Complete circuit on printed circuit board with screen printing, housed in teak cabinet with cover. Built in power supply, mains operated.

FM TRANSMITTER DEMONSTRATOR 2416
The board has microphone amplifier, inbuilt modulating amplitude control, varacter modulator with carrier generator ranges 88-108 MHz, pre emphasis circuit, output amplifier with telescopic antenna. Complete circuit on printed circuit board with screen printing. Three switched faults. Tx range 30-40 feet. Built in power supply, mains operated. Housed in teak box with cover.

FM RECEIVER DEMONSTRATOR 2417
The board is designed as part of Tx demo as well as an independent unit. The board consists integrated circuit for complete process from signal input to AF output with de emphasis. AF output section is in discrete form with 3' loudspeaker. Three switched faults. Complete circuit with internal blocks are screen printed upon printed circuit board. Housed in teak box with cover. Built in power supply, mains operated.

ASK MODULATION/DEMODULATION 2419
The board has linear multiplier as ASK generator. Inbuilt logic signal, carrier oscillator, demodulation circuit with inbuilt power supply.

FSK Modulation/Demodulation 2420
The board consists two spot carrier frequencies with linear multiplier modulators. Built in logic signal with inverter. Demodualtion by PLL and camparator. Inbuilt dc regulated power supply.

PSK MODULATION/DEMODULATION 2421
The board has inbuilt carrier oscillator with logic signal generator. Modulation by linear multiplier and demodulation by PLL and linear multiplier.

BALANCED MODULATOR/DEMODULATOR DSBSC 2422
Aim: To study of balanced modulated (LM 1496) characteristics. To observe the effect of multiplier gain, to observe the process of carrier null, to obtain DSB SC signal from it. to study of balanced demodulator as product demodulator. The kit consists balanced modulator in form of two quadrant multiplier chip 1496, modulation transformer, carrier signal generator and AF waveform generator with associated components upon the board. Two quadrants multiplier chip 1496 as balanced demodulator. Inbuilt local oscillator of variable frequency low pass filter.

IC BASED SAMPLE & HOLD KIT 2423
Kit consists: Sample and hold chip LM 398H, sample frequency generator with pulse width control, AF signal in synchronism of sampling pulse, three capacitors.

B/W TV 20" DEMONSTRATOR 2424
With fault creation facility & test Point to note the voltages & wave shapes in different section with more than 20 Exp. & working manual

COLOUR TV 20" DEMONSTRATOR WITH REMOTE 2425
With fault creation facility & test Point Colour Adjustments controls are also provided outside with more than 30 Exp. & working manual.

S.C.R V - I Characteristics 2501
The kit consists: 0-75 Vdc @ 0.15 A, regulated power supply for anode-cathode. 0-3 Volt @ 10 µA supply for gate - cathode. Three analog meters from which two are calibrated in dual range to take readings. One SCR, 600V/4A and one potentiometers. Built in power supply,230V mains operated Complete with working manual & patch cords.

S.C.R Phase Control 2502
The kit consists: One potentiometer, Zero crossing circuit, U.J.T rex oscillator with pulse transformer, one timing capacitor, 2 SCR 600V/4A, one switch, AC supply of 50 volt and 10 volt, load resistance with AC µAmmeter, points for CRO observations. Built in power supply, 230V mains operated Complete with working manual & patch cords.

S.C.R single Phase Full Wave Fully Controlled Bridge Rectifier 2503
The set up consists: Circuit based upon 4 S.C.R configured as full wave fully controlled bridge rectifier. Free run oscillator with zero crossing circuit and pulse transformer, resistive load in form of lamp and inductive load in form of a universal motor (fractional HP). One dc voltmeter across the output points and separate points for observations of waveforms. Supplied with built in line isolator 150VA. Built in power supply, 230V mains operated Complete with working manual & patch cords.

Single Phase Bridge Converter 2504
Set up consists: One step down transformers (150 VA), current limiting resistors, four thyristors controlled by a free running line synchronized oscillator circuit, one potentiometer to vary the speed of given dc fractional HP motor with L-C filter. One DC voltmeter connected across the output. Top see through cabinate and test points for observation of firing signals, motor current waveforms. Built in power supply, 230V mains operated Complete with working manual & patch cords.

U.J.T Characteristics and use as Rex OSC 2505
Kit consists: Two IC regulated dc power supplies 0-20 Volt, two meters, one UJT, two capacitor, one potentiometer with fixed value resistance. Built in power supply, 230V mains operated complete with working manual & patch cords.

S.C.R Triggering Circuits 2506
Kit consists: components to perform the following firing methods.
a. D.C. firing method (superimposed AC).
b. Resistance firing method.
c. R-C phase shift firing method.
d. Pulse firing by UJT rex osc method (with pulse transformer).
One S.C.R, RL, one voltmeter with isolated ac power supply. Built in power supply, 230V mains operated Complete with working manual & patch cords.

S.C.R Triggering circuits (b) 2507
The kit consists firing methods as (a) by varying R (b) by varying R and phase shift by C. The kit has one low voltage transformer, one voltmeter across RL, decade of R with one potentiometer. Built in power supply,230V mains operated. Complete with working manual & patch cords.

Study of Chopper Circuit (SCR Based Jones Chopper) 2508
Set up consists: DC unregulated power supply from 100 volt ac, two SCRs, one tapped inductor, one commutation capacitor, pulse firing circuit with separate contorllable on-off timings and one lamp load. A series wound universal motor for load on extra cost may be provided. Separate points for observations of waveforms. Built in power supply,230V mains operated Complete with working manual & patch cords.

STUDY OF INVERTER CIRCUIT (Mosfet Based) 2509
Set up consists: Pulse generator with duty cycle control, two power mosfets, one transformer one lamp load, one volt and one µAmmeter. Provided with 24 Volt 6 Amp dc source. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SERIES COMMUTATED SCR INVERTER 2510
Set up consists :- Pulse generator ( 100 - 400 Hz ) using two UJT rex with separate timing controls, two SCRs, three inductors and three capacitors. 25 watt Lamp load with two analog meters. Input supply is in form of DC 24 volt 3 Amp. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SCR PARALLEL INVERTER 2511
Set up consists: Pulse generator (60-90Hz nominal) with firing transformer, two SCRs, one inductor one transformer, one capacitor, two analog meters and lamp load to accommodate three lamps of different ratings. The input supply in form of DC 24 volt 6 Amp. Built in power supply, 230V mains operated Complete with working manual & patch cords.

STUDY OF LAMP FLASHER USING SCR 2512
Kit consists: Step down transformer 12 volt dc @ 1 amp, two SCRs, UJT relaxation oscillator with 12 volt 21 watt lamp as load. Test points to observe the commutation polarity upon CRO. Built in power supply, 230V mains operated Complete with working manual & patch cords.

STUDY OF SCR RING COUNTER 2513
Kit consists: DC regulated 12 volt supply three SCR with pulse gating circuit, pulse generator by timer 555, frequency control, three LEDs to observe sequence, test points for observation of commutation pulses. Built in power supply, 230V mains operated Complete with working manual & patch cords.

STUDY OF AC CHOPPER USING SCR 2514
Kit consists :- Step down transformer 25 volt ac @ 1 amp, four SCRs, 6 volt ac for zero crossing detector cum comparator circuit, 12 volt regulated dc for complete control circuit, one analog voltmeter across resistive load, pulse firing circuit with transformer and capacitor commutation circuit. Test points for observation of waveforms upon CRO. Built in power supply, 230V mains operated Complete with working manual & patch cords.

TRIAC CHARACTERISTICS 2515
Kit consists :- DC regulated 0 - 75 volt @ 0.15 Amp continuously variable supply for main terminals, one dc 0 - 3 volt supply for gate control, one reset key, one triac, three analog meters two of them are calibrated in dual range. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SPEED CONTROL OF INDUCTION MOTOR 2516A
Speed control by varying voltage.
Set up consists: Two antiparallel thyristors triggered by a UJT rex oscillator in synchronism of input frequency. One 1/8 HP induction motor. The set up is line operated, thus transformers are provided to isolate the points to check waveforms. Built in power supply,230V mains operated Complete with working manual & patch cords.

SPEED CONTROL OF INDUCTION MOTOR 2516B
Speed control by varying frequency.
Set up consists: Thyristor based inverter circuit, firing angle control circuit with frequency variation between 40-100Hz, thyristor controlled rectifier to obtain regulated dc for inverter circuit, one ac voltmeter ( MI type ), transformer isolation at test points, small ac induction motor. Built in power supply, 230V mains operated Complete with working manual & patch cords.

Study of AC Induction Motor Speed Control in Close Loop 2517
Kit consists: Op-to based speed sensing with RPM meter, firing angle controller with feedback control, small ac motor with loading arrangement, load current meter, thyristor controlled firing angle control, test points for measurements. Built in power supply, 230V mains operated Complete with working manual & patch cords.

DIAC Characteristics 2518
Kit consists: One 0-40 volt dc regulated power supply, one fixed 40 volt ac power supply with potentiometer, one diac, one capacitor and two analog meters. Built in power supply, 230V mains operated Complete with working manual & patch cords.

TRIAC Phase Control 2519
Kit consists: Triac 400 volt 2 Amp, 1:1 isolated ac supply @ 0.5 amp, provision to connect lamp or small fan as load, diac RC firing circuit with two potentiometer, provision of points to measure/observe different waveforms upon CRO with 1:100 attenuation (provided). Built in power supply, 230V mains operated Complete with working manual & patch cords

Single Phase to Single Phase Midpoint Cycloconverter 2520
Set up consists: Four SCRs, one transformer, one midpoint tapped inductor, logic controlled firing control circuit. A selector switch is provided to obtain 1/2, 1/3 and 1/4 of input frequency f. Optoisolators are used for coupling of logic signals with the thyristors. Test points are given at different places for observations. A resistive load and an inductive load in form of small motor is provided. Built in power supply, 230V mains operated Complete with working manual & patch cords.

Single Phase Dual Converter 2521
Set up consists: Eight thyristors to form two bridges. L - C filter circuit, step down 150 volt AC supply @ 1Amp, circuit for firing control of thyristors. one analog centre zero ammeter and test points at various places, small dc shunt wound motor. Built in power supply, 230V mains operated Complete with working manual & patch cords.

DC Motor Speed Control (a) 2522
Set up consists: Silicone diode bridge with one SCR with phase control circuit to give variable dc for armature, fixed field supply, small dc shunt wound motor, double wound step down transformer, test points for observations. Built in power supply, 230V mains operated. Complete with working manual & patch cords.

SCR DC Motor Speed Control Using Chopper 2523
Kit consists dc regulated 100 volt supply, two silicone controlled rectifiers, one tapped inductor, two diodes, one series wound universal motor of 1/8 H.P. A small dc motor for tacho feedback, switch for open loop/close loop run, analog RPM meter, firing angle control circuit with rate feedback. loading arrangement with current meter. Test points for observations. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SCR DC Motor Speed Control Using Phase Controlled Rectifier 2524
Kit consists dc regulated 150 volt ac supply, two silicone controlled rectifiers, two diodes, one series wound universal motor of 1/8 H.P. A small dc motor for tacho feedback, switch for open loop/close loop run, analog RPM meter, firing angle control circuit with rate feedback. Loading arrangement with current meter. Test points for observations. Built in power supply, 230V mains operated Complete with working manual & patch cords.

Thyristor Circuit Breaker with Current Limiting 2525
Kit consists: DC 12 volt supply with lamp load and current limit resistors, two SCR, two keys for make-break operation, commutation capacitor with current sense circuit having variable adjustment. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SCR Commutation Methods Class A-E 2526
Kit consists: DC 30 volt supply with lamp load, two SCRs, two silicone diodes, two capacitors, one transistor. Sockets and patch cords to configure the class of commutation. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SCR Bridge Inverter 2527
Set up consists :- Pulse generator (60-90 Hz nominal) with firing transformer, Four SCRs, one inductor one transformer, one capacitor, two analog meters and RL load to accomodate three lamps of different ratings. The input supply in form of DC 24 volt 6 Amp. Built in power supply, 230V mains operated Complete with working manual & patch cords.

OSCILLOSCOPE 2530
The 20 MHz Dual Trace Oscilloscope is a compact, low line and lightweight instrument. It’s high class engineering and rugged design ensures very reliable performance. This is a general purpose Dual Trace Oscilloscope having both Vertical amplifiers offering a bandwidth of DC 20 MHz and a maximum sensitivity of 2mV/cm. Stable triggering for low level signals is obtained upto 30MHz. Full X-Y operation is achieved by switching Channel11 into horizontal deflection system so that matched sensitivities for both X and Y signals. A component tester is incorporated in the oscilloscope which gives a quick test of both active and passive components. In addition Z-modulation facility is also provided. The fully stabilized internal power supplies ensure reliable operation under adverse mains supply conditions. The carefully selected components and Burn-in-tests ensure trouble free working in most demanding environments. The 2530 offers five separate Add-on Modules (optional) viz
• Frequency Counter
• Curve Tracer
• Power Supply
• Function Generator
• Digital Voltmeter.

OPERATING MODES
Channel 1, Channel 11, Channel 1 & 11 Alternate or chopped (approx. 120 KHz)
X-Y (Ratio 1:1 Input via CH 11), Add/Sub, Invert CH 11.
Vertical deflection (y)
(Identical channels)
Bandwidth: DC-20 MHz (-3dB), DC-28MHz (-6dB)
Risetime: 17.5 ns (approx.)
Deflection coefficients :
12 calibrated steps 2mV/cm - 10V/cm (1-2-5 sequence)
Accuracy: 3%
Input Impedance: 1 MW II 25 pF
Input coupling : DC-AC-GND
Input voltage : Max. 400 V (DC + Peak AC)

TIMEBASE
Time coefficients : 18 calibrated steps, 0.5 us/cm-0.2 s/cm (1-2-5 sequence) with magnifier x 5 to 100 ns/cm, with variable control to 40 ns/cm.
Accuracy : 3% (in cal position)
Ramp Output : 5V (approx)

TRIGGER SYSTEM
Modes : automatic or variable trigger level
Source : Ch I, Ch II, ALT, Line, Ext.
Slope : Positive or Negative
Coupling : AC, TV Frame
Sensitivity : int 5 mm., ext 0.8 V (approx.)
Trigger Bandwidth : 40 MHz

HORIZONTAL DEFLECTION (x)
Bandwidth: DC-2.3 MHz (-3 dB)
X-Y mode: Phase Shift < 3º at 60 KHz.
Deflection coefficients: 12 calibrated steps 2mV/cm 10V/cm (1-2-5 sequence)
Input Impedance: 1 MWII 25 pF.

COMPONENT TESTER
Test Voltage : Max 8.6 V (Open)
Test Current: Max 8mA (Shorted)
Test Frequency: 50Hz, Test circuit grounded to chassis
Continuity Tester: Beeper sounds <75W approx.

GENERAL INFORMATION
Cathode Ray Tube: Rectangular medium short persistence (P31)
Accelerating potential: 2000 V
Display: 8 x 10 cm
Trace rotation : Adjustable on front panel
Calibrator: Squarewave generator 1 KHz (approx) 0.2 V ±1% for probe compensation.
Z Modulation: TTL level Stabilized
Power Supply: All operating voltages including the EHT.
Mains voltage: 220 V -240 V, 50 Hz. (Switch at back)
Mains fluctuations: 10% (max.)
Power Consumption: 33 VA (Approx.)
Weight (approx): 7.5 Kg.
Dimensions (mm): W285-H145-D380
Operating Temperature: 0-40º, 95% RH
Finish: Off white with handle and tilt stand.

OSCILLOSCOPE Demonstrator Cum Trainer 3028
Oscilloscope Demonstrator Trainer is specifically designed for the study of working of an Oscilloscope. It is a user friendly fully working oscilloscope in an open form. The controls are placed actually at the place as they are in the circuit schematic. Thus a trainee can locate any section, components of the section and can study it thoroughly. the function controls and adjustment controls are fully adjustable to the trainee to verify their effect on the working of the scope. An illustrated Block and Circuit Schematic and the adjustment plan right in front of trainee’s eyes helps him to co-relate each operation during the demonstration.

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