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We are leading Manufacturer for the Products which also includes Astable Multivibrator Using 555 Ic & Bistable Multivibrator Trainer since 2009

Astable Multivibrator Using 555 Ic

Astable Multivibrator Using 555 Ic

A 555 ic with biasing component provided to 
    configure as a astable mode.

 variable'r' and fixed 'c' for varying the frequency.

 outputs terminated at banana connectors.

 built in fixed dc power supply.

 detailed documentation.

 housed in a cabinet.

Product Code: TAMT-25

Bistable Multivibrator Trainer

Bistable Multivibrator Trainer

Transistor based bistable multivibrator is 
  provided.

 provision to select r and c value.

 +12v dc/0. 5a regulated power supply provided 
  internally.

 circuit diagram provided in the front panel.

 terminals brought out to check the waveform.

 detailed documentation.

 housed in a cabinet.

Product Code: TBMT-23

Bjt Transistor Trainer

Bjt Transistor Trainer

It consists of transistor circuits to study the
   characteristics of a transistor

one transistor provided with 3 terminals (e, b, 
  c)   are terminated at connectors

3 separate circuits are provided for common 
  base, common collector & common emitter
  configuration with required points are terminated 
  at connectors

 dual 0-15v voltage source provided for biasing.

 detailed experimental manual provided.

 housed in a cabinet.

Product Code: TTT-01

Colour Television Receiver Trainer

Colour Television Receiver Trainer

His trainer is used to stduy the basic principles and trouble shooting concepts of remote controlled colour tv receiver. This unit consists of a colour crt, remote control unit and associated electronics components with test points.

[technical specifications]

 standard : ccir-b-pal-g, 625 lines

 stages :

1. video if
2. sound section
3. tuner section
4. horizontal oscillator
5. horizontal output
6. vertical oscillator
7. vertical output
8. video & chroma section
9. power supply

 type of modultion : negative

 modulation : picture - amplitude

 sound - fm

Digital Ic Trainer

Digital Ic Trainer

this trainer is designed to import training to students on digital ics and logic gates at low cost. Rust proof banana terminations with open metal cabinet for housing.

 4 nos of 20 pin zif sockets provided to easy plugging of digital   ics.

 12 nos of spdt switches inputs for logical inputs.

 12 nos of led=s provided to indicate the output status.

 a clock generator to generate the clock pulse of 10 khz.

 one micro switch with monoshot to generate positive and negative logic.

 3 nos of 7 segment display provided to driver for output indication.

 one solderless breadboard provided for easy wiring of components.

 built in power supply.

 rating "5v/2a

 "12v/500ma.

Product Code: TDIT-006

Diode Study Trainer

Diode Study Trainer

This trainer consists of pn junction diode and zener diode to study its characteristics

 a built in variable power supply (0-30v) provided to vary the applied
    voltage.

 circuit diagram provided in the pcb for easy reference.

 detailed experimental manual.

 housed in a cabinet.

Product Code: TDT-04

Driver Circuit For Lcd Display Trainer

Driver Circuit For Lcd Display Trainer

A 16h2 alphanumeric lcd with back light
provided to study the 
   concepts of lcd display

 a driver logic circuitry to drive the lcd 

 10 nos of spdt switches to select the binary inputs.

 4 nos of press to set switches provided to enable the data select, 
   lcd select and control select, and reset

 built in power supply

 detailed experimental manual

 housed in a cabinet

Product Code: TL-07

Electronic Timers

Electronic Timers

This trainer consists of 3 stages of Timer to establish the operation of sequential Timer.

 3 Nos of 555 IC is configuresd as a Monostable 
   mode.

 A LED and banana connectors are provided at 
    each stage output

 A user selectable rotary switch 3 Nos provided to    change the RC value of each stage

 Patching connectors provided for easy wiring

 Detailed experimental manual

 Housed in a cabinet.

[Optional]

 A 12V power relay connected at each stage output to drive a high Voltage load

Product Code: TL-08

Flip Flop Using Ic's

Flip Flop Using Ic

This module is specially designed for lab purpose to study the flip flop ic's. This module consists of power supply and three different flip flop circuits.

they are

 clocked rs flip flop

 jkms flip flop

 jk flip flop

 five spdt switches are provided to give the input of the circuit

 logic diagram provided in pcb.

 two different type clock inputs are provided to give the clock pulse.

 one is automatic by 555 another is manually by logic switch input.

 detailed experimental manual.

 housed in a cabinet.

Product Code: TFFT-41

Frequency Multiplier Trainer

Frequency Multiplier Trainer

Built in 12v dc regulated power supply

 a pll (565) ic configure as frequency multiplier

 a variable potentiometer facility to vary the rt
   values

 a counter provided to decade the frequency 
  input.

 detailed documentation

 housed in a cabinet.

Product Code: TFMT-52

Illumination Controller Using Ldr,Triac & Ujt

Illumination Controller Using Ldr,Triac & Ujt


 a step down transformer provided rating 
  230/24vac.

 a bridge rectifier provided to convert ac into dc.

 a ldr, ujt & biasing components provided to
   generate triggering 
    pulses.

 a pulse transformer provided for isolation.

 a triac is triggered by the firing pulses from the
   pulse transformer.

 a 230v ac lamp along with a dimmer provided to 
  vary the light intensity.

 necessary terminations provided as banana connectors with patch chords.

 housed in a cabinet.

 detailed documentation.

Product Code: TL-04

Kirchoffs Law Trainer

Kirchoffs Law Trainer

This trainer consists of facility to study the DC network & AC network.

 Two bridge networks are provided for DC & AC   network study.

 Network connections are terminated at banana   sockets.

 A power supply provided for DC & AC network.

 Detailed documentation.

 Housed in a cabinet

Maximum Power Transfer & Compensation Theorem Study Trainer

Maximum Power Transfer & Compensation Theorem Study Trainer

One fixed DC voltage source provided to feed DC    voltage to the network.

A variable 2V DC supply provided to feed DC    input to the compensation network.

 Two 'T' type network Circuit diagram provided in    the PCB.

Housed in a cabinet.

Detailed documentation. 

Product Code: TMCT-12

Measurement Of Two Port Parameters

Measurement Of Two Port Parameters

5V fixed dc power supply provided for biasing

 One potentiometer is provided to vary 5V

 Resistor for two-port network is provided

 2 nos. of Multimeter provided to measure voltage and current of     various combination.

 Detailed Experimental Manual

 Housed in a cabinet

Product Code: TTPT-62

Miller And Bootstrap Circuit Trainer

Miller And Bootstrap Circuit Trainer

A built in 12v dc power supply provided.

 two separate circuits are provided in pcb.

i) miller voltage sweep 

ii) bootstrap circuit.

 square wave generator by using 555ic, and feed    the input to the circuit.

 patching connectors provided.

 test points provided.

 detailed documentation.

 housed in a cabinet.

Product Code: TBCT-50

Monostable Multivibrator Using Trainer

Monostable Multivibrator Using Trainer

A fixed 5V DC power supply provided ro biasing.

 Two transistors with biasing components for 
  Monostable operation

 Input and output termination at banana 
  connector

 A SPDT switch provided to feed VCC to the 
  circuit

 Circuit diagram provided in legend

 Housed in a Cabinet

 Detailed experimental manual.

Product Code: TMT-32

Op Amp Application Trainer

Op Amp Application Trainer

One variable voltage source provided to feed
   input voltage to the amplifier.

 one op amp with banana connectors termination    provided to configured as inverting,      noninverting     amplifier, integrator, and    differentiator.

 a patch connectors provided for flexible wiring

 housed in a cabinet.

 detailed documentation.

Product Code: TBET-79

Op-amp Based Integrator & Differentiator

Op-amp Based Integrator & Differentiator

One op-amp provided and its terminals are
   terminated at connectors.

 two separate circuits differentiator & integrator
   provided in pcb.

 "12v dc regulated power supply provided for op
  -amp circuit.

 flexible patching facility to perform experiments.

 detailed experimental manual.

 housed in a cabinet.

Product Code: TIDT-24

Passive Filter Trainer

Passive Filter Trainer

Fixed value of capacitor & resistor provided with 
   connector terminations.

 different type of passive filters circuit provided

a) low pass filter

b) high pass filter

c) band pass filter

 input and output terminals are provided in 
  connectors.

 circuit diagram with test points provided in pcb.

 detailed experimental manual.

 housed in a cabinet.

Product Code: TPFT-46

Phase Locked Loops Trainer

Phase Locked Loops Trainer

built in power supply provided for op-amp biasing

 ne565 configured as pll with banana connector 
   termination.

 facility to connect external design values of ct
   & rt

 detailed experimental manual

 housed in a cabinet

Product Code: TPLLT-48

Rectifier Study Trainer

Rectifier Study Trainer

A stepdown transformer provided input/output 
  230/6-0-6V @0.5Amps.

 (0-15V) moving coil voltmeter provided to 
  measure the output voltages

 Diodes provided to study of half wave, full wave 
   and bridge rectifier configuration.

 Two capacitors are provided

 Two toggle switches provided to connect the 
  capacitors to the rectifier (HW/FW/BR) output to 
   study the ripple factor with/without capacitor 
  filter

 All the diodes, bridge & transformer outputs are 
   terminated at the connector for easy wiring & perform experiments.

 Detailed experimental manual.

 Housed in a cabinet.

Product Code: TRT-05

Scr Regulated Power Supply

Scr Regulated Power Supply

This trainer consists of zero crossing detector, Ramp generator, Comparator, pulse Isolator, PI controller, SCR power circuit provided to study the Regulation using SCR in closed loop and open loop mode.

 A step down transformer provided to generate a 
    low AC voltage.

 A zero crossing detector provided to generate a 
    square wave

 A op-amp based ramp generator for comparison 
    output

 A comparator provided to compare DC voltage 
    and ramp to generate PWM

 A pulse Isolator provided to fire the SCR 

 A op-amp based proportional Integral controller provided to establish a closed loop control or open loop 
   control

 Two potentiometers provided one is as set point and the another is feedback from the power circuit.

Product Code: TL-25

Scr,diac,triac Characteristics Trainer

Scr,diac,triac Characteristics Trainer

This trainer consists of ujt firing circuit, dc supply and individual components terminated with terminal connectors for wiring and perform experiments.

 firing pulse generated by ujt.

 a scr, traic diac with banana connectors    termination provided.

 housed in a cabinet.

 built in power supply.

 detailed documentation.

Product Code: TL-21

Series Ac & Dc Circuit Trainerr

Series Ac & Dc Circuit Trainerr

Circuit diagram of R-L, R-C, RLC provided in the
   PCB

A variable Inductor 120 mH provided in step of 0,
   20, 40, 60, 80 and 100% (rating 1Amps) 

 Two fixed capacitors provided with connectors 
   termination for flexible patching.

 A square Waveform generator provided to feed
   the input to DC network.

 A stepdown transformer provided to feed input to 
   AC network.

 Range : Input 230V AC.

 Output : 24VAC.

 Detailed experimental manual.

 Housed in a cabinet.

Product Code: TST-06

Series And Shunt Equalizer

Series And Shunt Equalizer

this trainer consists of a series and shunt 
  equalizer networks to study and perform the experiments.

 passive components provided to study the series    and shunt equalizer.

 a 10khz, 20khz r. C network provided in the pcb 
  itself.

 connector terminations provided to interface 
   external designed rc values.

input and output are terminated at connectors.

circuit diagram provided in pcb.

housed in a attractive cabinet.

detailed experimental manual.

Product Code: TBET-78

Superposition & Reciprocity Theorem Trainer

Superposition & Reciprocity Theorem Trainer

A step down transformer provided as AC voltage source 

# Primary = 0-230VAC / 50Hz

# Sec = 6V AC (Dual)

 A fixed 12 V DC power supply provided to feed   the current into DC network.

 A DC current source provided to feed the current   into DC network. 
  
 Current range = 200mA

 Two 'T' Type networks provided to study both     AC & DC network theorem

 Circuit diagram for AC & DC networks provided in PCB

Housed in a Attractive Cabinet

Detailed experimental manual.

Product Code: TSRT-11

Temperature On/Off Control Trainer Using Thermistor

Temperature On/Off Control Trainer Using Thermistor

This unit consists of a Thermistor as a temperature sensor, comparator, optical isolator, pulse generator, TRIAC / Relay driver to make ON/OFF control of Temperature.

 A NTC Thermistor used as a sensor

 A comparator provided to compare the 
  set input (by pot) and the
    Thermistor input

 A opto coupler provided for isolation

 A 555 with biasing components for pulse
   generation to firing TRIAC 

 Connector provided to connect external heater 

 Two types of switches to switch ON and OFF the heater (TRIAC & Power Relay)

 Built in power supply

 Detailed experimental manual.

 Housed in a cabinet.

Product Code: TL-03

Thevenins And Nortons Theorem Trainer

Thevenins And Nortons Theorem Trainer

 This trainer consists of current source, voltage   source, to study the theorem in both DC & AC
   network.

 A step down transformer provided to feed AC    Input for AC network study.

 One potentiometer provided to vary the DC    current.

 One Potentiometer provided to vary the DC    voltage.

 One Potentiometer provided to set the Rth    Externally.

 Two 'T' type network provided for AC & DC    circuits.

 Thevenin's & Norton equivalent circuit provided to verify the Result.

 Patch connectors provided for flexible wiring and perform experiments.

 Detailed experimental manual

 Housed in a attractive cabinet.

Product Code: TTNT-10

Triggering Circuit For Single Phase Half Controlled Bridge

Triggering Circuit For Single Phase Half Controlled Bridge

This Trainer consists of step down transformer, Zero crossing detector, differentiator, Ramp generator, comparator, pulse amplifier and isolator and devices

 Step down transformer with op amp provided to 
   generate AC reference and zero crossing

 A transistor based differentiator provided to feed   input to ramp generator

 A op-amp based ramp generator provided

 A comparator provided to compare ramp & DC,
   voltage to generate PWM

 A pulse isolation amplifier provided to trigger two SCRs

 A potentiometer provided to vary the firing angle of SCR (0-180°)

 Built in power supply.

 Detailed experimental manual.

 Test points provided.

 Housed in a cabinet.

Product Code: TL-02

Unifunction Generator Using Op-amp

Unifunction Generator Using Op-amp

5 nos of lm741 op-amp used to generate the
   waveform as sine, square, triangle.

 3 nos of potentiometer provided to vary the 
   offset, amplitude and frequency.

 built in fixed dc voltage power supply.

 all connections terminated at banana connector.

 a switch provision to select the waveform.

 detailed documentation.

Product Code: TFGT-55

Power Supplies

Power Supplies

This instrument is designed for the need of laboratory to study the characteristics of electronics devices, circuits and other applications.


[output voltage] 

 0-30v dc by mean of adjustable coarse and fine controls.

 short circuit protection with led indication

 a buzzer provided for short circuit alarm


[output current]

 max output current 2amps.

 adjustable current setting facility from 0? 2amps


[display]

 switch selectable 3 2 digit display for voltage/current indication.

Power Supplies

Power Supplies

Power supplies

Power Supplies

Power Supplies

Power supplies

Digital Tachometer

Digital Tachometer

it consists of one pmdc motor with driver, a photon interrupter, f to v converter, 3 2 digit display, power supply.

 a 12v pmdc motor mounted in a metal base

 a pwm power amplifier to drive the dc motor

 speed variable facility provided by using
   potentiometer

 a metal cylindrical box consists of a aluminum 
  disc & photon interrupter to generate square pulse proportional to speed.

 a schmitt trigger and f to 
  v converter provided to 
     convert pulse into dc voltage.

 one 32 digit digital display to visualise in terms of rpm

 housed in a cabinet

 terminations at banana connector

 detailed experimental manual.

Product Code: TL-05

Digital Counters

Digital Counters

Object/digital counter using photo transistor 4093,4518 & 4511.

this trainer consists of object sensor, dual counter, decoder, driver, 7 segment led display to study the concept of digital object counter.

 a built in photo diode & transistor provided to 
    detect the object

 a schmitt trigger provided to shape the pulse

 a switch provided to count in manual mode.

 a dual counter provided to count the pulse in 
    manual /auto mode.

 a 4511 based decoder & driver used to drive the
    7 segment led display

 necessary test points provided with connectors

 detailed documentation

 housed in a cabinet

 built in power supply.

Product Code: TL-B10

Chopper Circuit Using Complementary Commutation

Chopper Circuit Using Complementary Commutation

it consists of oscillator, ramp generator, comparator pulse isolation amplifier and power devices provided to study the chopper circuit in complementary commutation mode.

 a 555 configure as an square wave oscillator

 a op-amp based ramp generator provided 

 a comparator provided to compare the ramp and 
    control voltage to generate pwm

 a pulse isolation amplifier provided to generate 
    the comple mentary pulse

 two scrs provided to acts as an main and 
    auxiliary devices

 a commutation capacitor provided to commutate the devices.

 detailed documentation

 experimental manual

 housed in a cabinet

Product Code: TL-09

Single Phase Half And Fully Firing Circuit Using Ujt

Single Phase Half And Fully Firing Circuit Using Ujt

t consists of a stepdown transformer, a UJT relaxation Oscillator, pulse isolation circuit, with power devices to study the experiments in this trainer.

 A stepdown transformer 230/24V AC provided.

 A UJT relaxation Oscillator provided to generate 
    firing pulses for  SCR.

 One potentiometer provided to vary the firing 
    angle of (10-170°) 

 4 Nos of SCR rated 600V/12A & 2 Diodes
    provided to study the AC regulator, Half & fully
   controlled converter.

 Built in power supply 

 Input : 230V AC 

 Output : 24V AC 1Amp.

 Detailed documentation.

 Housed in a cabinet.

Product Code: TL-21FW

Ac Timer Using Transistor

Ac Timer Using	Transistor

a step down 230 /12v ac transformer provided 

 a array of fixed capacitors, fixed
    resistors provided to select the time constant of     ac timer

 a spdt switch provided to select either charge 
    or discharge position

 a 12v power relay provided to switch the load

 housed in a cabinet

 detailed documentation

 built in power supply

Product Code: TL-15

Audio Oscillator

Audio Oscillator

this generator consists of low distortion oscillator, 3 2 digit frequency/amplitude readout with all facility provided to the need of electronic laboratories

[technical specifications]

 sine, square, triangle.

 switch selectable 3 2 digital 7-segment displays
 to visualize amplitude/frequency.

 0-20 khz in 4 decade steps.

 10 volt (p-p) 

 50 / 500 switch selectable.

 230 v ac "10% 50hz.

 attractive cabinet with power coated finishing.

Product Code: TFG-B501

Speed Control Circuit For Dc Shunt Motor Using Scr

Speed Control Circuit For Dc Shunt Motor Using Scr

This unit consists of two control circuits

1. Armature control

2. Field control

Product Code: TL-00

Decade Resistance Box

Decade Resistance Box

5 dial 9 way switches provided for resistance selection

 range 10,000 in steps of 1

 housed in a attractive cabinet with anodized panel

Product Code: TRB-1000

Decade Inductance Box

Decade Inductance Box

5 Dial 9 way switches provided for inductance selection

 Range 1 mH to 9.999 H insteps of 1 mH

 Housed in a attractive cabinet with anodised panel

Product Code: TIB-1002

Ac Solid State Relay

Ac Solid State Relay

It consists of an opto isolator, square wave oscillator and a load switching power device provided to study the concept of AC solid state Relay.

 A opto coupler with an SPDT switch provided to 
    select the opto output.

 A 555 IC configure in Timer mode to generate the     square wave oscillator

 A transistor with biasing components provided to 
    generate firing pulses

 A TRIAC rated at 600V, 12Amps provided for
    switching the load

 Housed in a Cabinet

 Detailed experimental manual


Product Code: TL-13

Active Filters Trainer

Active Filters Trainer


Separate circuit diagram provided for the
   following types.

 first order low pass filter

 second order low pass filter

 first order high pass filter

 second order high pass filter

 band pass filter.

 op-amps and fixed value resistor & capacitor 
  provided with connectors.

 "12 v regulated power supply provided internally
   for op-amp circuit.

 detailed experimental manual.

 a separate op-amp with circuit provided in the pcb.

 housed in a cabinet.

Product Code: TAFT-28

Field Effect Transistor Trainer

Field Effect Transistor Trainer

One fet is provided with 3 terminal (g, s, d) are    terminated at connectors.

 circuit diagram provided with required test points    terminated atconnectors.

 flexible wiring facility.

 two variable dc voltage source (0-15v) provided    for experimental study.

 detailed experimental manual.

 housed in a cabinet.

Product Code: TFT-02

Measurement Of Op-amp Parameter Trainer

Measurement Of Op-amp Parameter Trainer

A op-amp lm741 provided with connectors 
  provisions

 provision to study the op-amp parameter of

 input offset voltage

 input bias current & offset current

 open loop gain

 slew rate

 common mode rejection ratio

 common mode , differential mode

 built in 12v dc regulated power supply provided for op? Amp circuit 

 circuit diagram provided in the pcb for easy reference

 facility to study different modes by flexible wiring

 detailed experimental manual

 housed in a cabinet

Product Code: TOPT-17

Automatic Street Light Controller

Automatic Street Light Controller

This trainer consists of regulated power supply, LDR as light sensor, comparator, TRIAC/relay switching sections

 Light intensity sensed by LDR.

 A potentiometer provided to set the Intensity 
    input of comparator.

 LDR output connected to another Input of 
    comparator

 A TRIAC / Relay provided to switch the load 
    ON/OFF

 A Trigger pulse generator provided to fire the 
    TRIAC

 Connector provision to connect external load.

 User selectable patching facility to select the type of switch

 A step down transformer provided to generate 15V AC Voltage

 All the connectors are terminated at banana connector

 Detailed documentation

 Housed in a Cabinet.

Product Code: TL-16

Decade Capacitance Box

Decade Capacitance Box

We offer high quality Decade Capacitance Box

5 Dial 9 way switches provided for capacitance selection

 Range 100pf to 11.111 MFD

 Housed in a attractive cabinet with anodised panel

Product Code: TCB-1001

LED Characteristics Trainer

This trainer consists of light emitting diode to study its characteristics

 A variable power supply (0-30V) provided to vary the applied voltage.

 Circuit diagram provided in the PCB for reference.

 Detailed experimental manual.

Product Code: TLCT-61

Parallel Ac Circuit Trainer

A step down Transformer 230/24V provided to feed the input supply of network.

3 Nos of networks provided to study the characteristics

A fixed Inductor with different tapping provided for experimental view [0,20,40,60,80,100]%

Detailed experimental manual

Housed in a Cabinet

Product Code: TPTB-07

Also Deals In

  • Astable Multivibrator
  • Bistable Multivibrator Trainer
  • Driver Circuit For Lcd Display Trainer
  • Flip Flop Using Ic's
  • Frequency Multiplier Trainer
  • Illumination Controller Using Ldr,Triac & Ujt
  • LED Characteristics Trainer
  • Miller And Bootstrap Circuit Trainer
  • Monostable Multivibrator Using Trainer
  • Parallel Ac Circuit Trainer
  • Power Supplies
  • Scr Regulated Power Supply
  • Single Phase Half And Fully Firing Circuit Using Ujt
  • Speed Control Circuit For Dc Shunt Motor Using Scr
  • Superposition & Reciprocity Theorem Trainer
  • Temperature On/Off Control Trainer Using Thermistor
  • Triac Characteristics Trainer
  • Triggering Circuit For Single Phase Half Controlled Bridge
  • Digital Counters
  • Digital Tachometer
  • Digital Ic Trainer
  • Automatic Street Light Controller

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