ELECTRONICS LAB TRAINERS

 
  DIGITAL & LINEAR IC TRAINER
  POWER SUPPLIES
  BASIC DIGITAL ELECTRONICS LAB TRAINERS
  BASIC ELECTRONIC CIRCUIT TRAINERS
  BASIC ELECTRONIC DEVICE TRAINER
  BASIC LINEAR INTEGRATED CIRCUITS TRAINER
BASIC CIRCUIT THEORY TRAINER
BRIDGES
TESTING AND MEASURING EQUIPMENTS
 
      
     
    
    
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                                                                                                                 BASIC ELECTRONICS LAB TRAINERS & EQUIPMENTS

 

6. BASIC LINEAR INTEGRATED CIRCUITS TRAINER

1.TRST-08 20.TSHT-31 39.TWBAT-51
  2.TVMT - 13 21.TMT-32 40.TFMT-52
  3.TTST-14 22. TAMT-33 41. TRCAT-53
  4. TFCTT-15 23. TAET-34 42. TVCOT-54
5. TMMT-16 24. TFAT-35 43. TFGT-55
6. TOPT-17 25. TFVFT-36 44. TPPAT-56
7. TPRT - 18 26. TTAT-37 45. TAPAT-57
8. TIAT-19 27. TADT-38 46. Power Supply Trainer
9. TDAT-20 28. THOT-39 46. Class  A & B Power Amplifier
10. TSGT-21 29. TCOT-40 47. 7490 COUNTER
11. TASVT-22 30. TFFT-41 48.BCD to 7Segment Decoder Using 7447
12. TBMT-23 31. TMDT-42 49. Power Factor Test Setup
13. TIDT -24 32. TVRT-43 50. Measurement of Two Port Parameters
14. TAMT-25 33. TLWST-44 51. Light Emitting Diode Study Module
15. TLAT-26 34. TLWST-44 52. Verification of  OHM'S Law
16. TFAT-27 35. TPFT-46 53. MOSFET Amplifier Trainer
17. TAFT-28 36. TPLLT - 48 54. Band Reject Passive Filter Trainer
18. TWBOT-29 37. TPSOT-49
19. TST-30 38. TBCT-50

           

1. SERIES AND PARALLEL RESONANCE TRAINER [TRST-08]                            [TOC]

Series and Parallel Networks Provided to study the Series and Parallel resonance.

Two inductors and capacitors Provided to study of different effect of resonance.

One voltmeter provided to read the output voltage

2. VOLTAGE MULTIPLIERS TRAINER (TVMT - 13)                                              [TOC]

15V AC Supply provided to give the input of the circuit

Four separate Circuits are provided

Patching connectors provided

One LED indicator provided for power ON

Experiments:

i.  Half wave Voltage doubler

ii. Full wave Voltage doubler

iii. Voltage Tripler

iv. Voltage quadrapler.

3. TRANSISTOR AS A SWITCH [TTST-14]                                                        [TOC]

  One pot meter is used to change the frequency variation.

  +5V DC power supply provided.

  A 555 Square waveform generator provided to feed the DC input.

  Patching Connectors Provided.

4. FET CONTROLLED THYRISTOR TRAINER [TFCTT-15]                                  [TOC]

  This unit is used to study the characteristics of FET controlled thyristor

  One FET controlled thyristor provided (Combination of MOSFET & SCR)

  Input : 230 V AC/50Hz

  Output : 24V AC ± 10% supply provided. 24V DC regulated power supply provided.

  Potentiometers provided to vary the gate voltage and anode current

  Banana connectors provided on the panel for making connection and measuring voltage and current [ 36 ]

5. MONOSTABLE MULTIVIBRATOR USING 555 IC [TMMT-16]                           [TOC]

  Provisions to study and test the Monostable multivibrator using 555 , Op-Amp and 4098 based.

  Variable 'R' and Fixed 'C' for frequency vary of all circuits.

  Squarewave generated by using 555 IC with frequency variable potentiometer.

  One LED Indicator.

  Built-in power supply (12V /0.5A DC)

6. MEASUREMENT OF OP_AMP PARAMETERS : [TOPT-17]                              [TOC]

  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

  ±12V DC Regulated Power Supply provided for Op-Amp circuit.

  Logical diagram provided in the PCB.

7. PRECISION RECTIFIERS TRAINER (TPRT - 18)                                             [TOC]

  Provided Half wave & full wave rectifier Circuit

  One LED indicator for power ON

  Test points provided, in each section

  ±12V DC power supply provided

  Two different circuits are provided.

Study of Experiments :

  Halfwave Precision Rectifier

  Fullwave Precision Rectifier

8. INSTRUMENTATION AMPLIFIER [TIAT-19]                                                    [TOC]

  One potentiometer is to change the gain adjustment.

  Two Potentiometers are used to feed the input of Op-Amp.

  ±12 Volt DC Regulated Power Supply is provided

  Patching connectors provided.

9. DIGITAL TO ANALOG CONVERTER TRAINER (TDAT-20)                               [TOC]

  One LED indicator provided for power ON

  SPDT switches provided to give the digital Signals

  ±15V DC power supply provided

  Test points provided

  One LPDT Switch is provided for power ON

  Two different circuits are provided to study the different digital to analog converter circuit.

Experiments

(i) 4 Bit R-2R Ladder Network

(ii) 4 Bit Weighted resister DAC [ 38 ]

10. SQUAREWAVE GENERATOR USING OP-AMP (TSGT-21)                            [TOC]

  One Op-amp provided with terminals are terminated at connectors

  One LED indicator provided for power ON

  Potentiometers are used to change the frequency in each circuit.

  Test points are provided.

  ±12V DC power Supply

  Two different circuits are provided

Experiments :

     # Study the characteristics of the square wave generator.

11. ADDER, SUBRACTOR AND VOLTAGE FOLLOWER [TASVT-22]                   [TOC]

  One Op-Amp provided and its terminals are terminated at connectors

  ±12 Volt Power supply provided

  Three potentiometers are used to feed the input of Op-Amp

  Patching connectors provided.

12. BISTABLE MULTIVIBRATOR TRAINER [TBMT-23]                                       [TOC]

  Transistor based Bistable multivibrator is provided.

  Provided to selectable R and C value.

  +12V DC/0.5A regulated power supply provided internally.

  Mimic diagram provided in the front panel.

  Terminals broughtout to check the waveform.[ 40 ]

13. INTEGRATOR & DIFFERENTIATOR [TIDT -24]                                               [TOC]

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

  Two Separate circuits are provided for differentiator & Integrator with required points are terminated at connectors.

  ±12V DC Regulated power supply provided for Op-Amp circuitry.

# Experiments:

  Frequency response Characteristics of differentiator.

  Frequency response Characteristics of Integrator.

14. ASTABLE MULTIVIBRATOR USING 555 IC [TAMT-25]                                  [TOC]

  Provisions to study and test the Astable multivibrator using 555 timer

  Variable 'R' and Fixed 'C' for varying the frequency

  One LED Indicator for Power ON.

  5V Power supply

  Patching connectors are provided.

15. LOGARITHMIC AMPLIFIER [TLAT-26]                                                           [TOC]

  ±12V DC power supply provided

  one LED indicator provided for power ON.

  Two potmeters are used to feed the input of op-amp

  Test points provided

  Patching connectors are provided

  One logarithmic Amplifier circuit diagram is provided

16. FEEDBACK AMPLIFIER : [TFAT-27]                                                               [TOC]

  One Op-Amp provided and its terminals are terminated at connectors

  ±12 Volt Power supply provided

  One potentiometer is used to feed the input of Op-Amp

  One LED indicator for Power ON

  Patching connectors provided.

17. ACTIVE FILTERS USING OP-AMP [TAFT-28]                                                 [TOC]

  Five types of Active Filters are provided.

     # First Order Low Pass Filter

     # Second Order Low Pass Filter

     # First Order High Pass Filter

     # Second Order High Pass Filter

     # Band Pass Filter.

  ±12 V Regulated Power Supply provided internally for Op-Amp circuit.

  One LED indicator provided for Power ON.[ 41 ]

18. WIEN BRIDGE OSCILLATOR TRAINER [TWBOT-29]                                       [TOC]

  Provisions to study & test the working of wien bridge oscillator

  Built-in power supply ±12 V DC provided

  Logical diagram provided in the PCB

  Patching connectors are provided

  All components are mounted in a cabinet and screen printed front panel.

  One dual potentiometer is provided to vary frequency.

  One Potentiometer is provided to vary the Amplitude.

19. SCHMITT TRIGGER TRAINER [TST-30]                                                          [TOC]

  Built-in Power Supply ±12 VDC/0.5A, +5V regulated Power supply

  Logical diagram provided in the front panel

  Sine wave generated by using Transformer 230V/4.5V, 50Hz

  Two types of Schmitt Trigger circuits are provided.

      # One is Op-Amp based and

      # Another one is Transistor based.

  One AC source provided to feed input circuits.

  Input and Output terminals are provided.

  Patching connectors are provided

20. SAMPLE AND HOLD CIRCUIT [TSHT-31]                                                       [TOC]

  Provision to study and test the working of Sample and Hold Circuit

  ±12V in power supply provided.

  Logical diagram provided in the front view

  Patching connectors are provided

  Sinewave generated by using 50Hz, 1N Transformer Sampling waveform

  Square wave generated by using 555 IC for Sampling

  One Potentiometer is used to change the frequency for sampling.

21. MONOSTABLE MULTIVIBRATOR USING TRANSISTOR (TMT-32)                  [TOC]

  +5V DC Power supply provided.

  One LED indicator provided for power ON.

  Patching connectors are provided.

  Circuit diagram provided on the front.

  I/p & O/p connectors are provided.

  One switch provided to give the Vcc of the circuit[ 43 ]

22. ASTABLE MULTIVIBRATOR USING TRANSISTOR (TAMT-33)                        [TOC]

  +5V/0.5A DC regulated power supply provided.

  One LED indicator provided for power ON.

  Two DPDT switches are provided for select different RT and CT values

  Required Terminals are brought out for Test the Signals

  Circuit diagram is printed on the front panel,

23. ATTENUATORS & EQUALIZER TRAINER (TAET-34)                                       [TOC]

  Two types of "T" & "B" attenuator networks are provided.

  Two types of Series & parallel equalizer networks are provided.

  Two potentiometers are used to change the input Resistance of the Network.

  Mimic diagram provided in the front panel

  Patching Connectors Provided.

24. DESIGN & TESTING OF COMMON SOURCE FET AMPLIFIER (TFAT-35)         [TOC]

  Input 230V AC ±10% 50 Hz

  Circuit diagram is provided.

  Required terminals provided to give the input and take the output.

  One SPDT switch is provided to switch on the power supply.

Study of Experiment:

  Frequency response Characteristics of FET Amplifier.

25. FREQUENCY TO VOLTAGE & VOLTAGE TO FREQUENCY CONVERTER (TFVFT-36)                                                                                                                           [TOC]

  ±12V DC regulated 0.5 amp power supply provided

  One LED indicator for power on

  Test points provided

  One potometer is used to vary the DC input voltage

  One F/V and one V/F circuit with required terminals are provided.[ 44 ]

26. TRANSISTOR AMPLIFIER TRAINER (TTAT-37)                                                [TOC]

  5V power supply provided.

  One LED indicator provided for power on.

  Three separate circuit diagrams provided.

  Input and output terminals are provided.

  One potentiometer is used to vary the input voltage of the circuit,

  0-30V/1A Regulated power supply.

EXPERIMENTS:

1. Frequency response characteristics of Common Emitter Amplifier.

2. Frequency response characteristics of Common Base Amplifier.

3. Frequency response characteristics of Common Collector Amplifier.

27. ANALOG TO DIGITAL CONVERTER (TADT-38)                                                [TOC]

+5V DC power supply is provided

  One LED indicator for power ON.

  One potentiometer is used to vary the DC input voltage to feed the ADC

  Triggering pulse is generated by using 555 IC to give S.O.C of the ADC Chip

  LEDs are provided to verify the outputs.

Experiments :

# o verify the Truth table of ADC

28. HARTLEY OSCILLATOR TRAINER (THOT-39)                                                  [TOC]

  +12V DC Power supply Provided

  One SPDT Switch is provided to select different capacitor value in the hartley oscillator.

  Mimic diagram provided in the front panel.

  One LED indicator for power ON.

  Test points are provided.

29. COLPITTS OSCILLATOR TRAINER (TCOT-40)                                                [TOC]

  Input 230V ±10% 50 Hz AC

  +12V DC power supply is provided

  Circuit diagram provided on the front panel

  Timing Capacitor can be selectable

  Output is provided in the proper terminal

Experiment :

  Study the characteristics of the colpitts oscillator.

30. FLIP FLOP USING IC's (TFFT-41)                                                                   [TOC]

  This module is specially designed for 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

  Mimic diagram Provided

  One LED indicator for power ON

  Two different type Clock inputs are provided to give the clock pulse. One is automatic by 555 another is manually by logic input.

Experiments

1. Truth table of JK Flip flop

2. Truth table of JKMS Flip flop

3. Truth table of RS Flip flop

31. MULTIPLEXER & DEMULTIPLEXER (TMDT-42)                                              [TOC]

  +5V DC Power Supply Provided

  Separate Circuits are provided for Multiplexer & Demultiplexer

  LED indicator Provided for power ON.

  Five LEDs provided to verify the output

  Patching Connectors Provided

  Inputs are provided in proper terminals

  Six SPDT Switches provided, to give the input of the circuit

  Mimic diagram provided in the front panel

Multiplexer 1x2 and Demultiplexer 4x2

Experiments:

   # To Verify the Truth table of Multiplexer

   # To Verify the Truth table of Demultiplexer

32. VOLTAGE REGULATOR USING 741 (TVRT-43)                                                 [TOC]

  ±12V DC Power supply Provided

  One potmeter is used to vary the DC input voltage

  Test points provided

  Patching Connectors provided

  LED Indicators for power ON.

  One potmeter is used to change the load resistance

  One potmeter is used to feed back the Op-Amp

33. LINEAR WAVE SHAPING (TLWST-44)                                                              [TOC]

  +5V DC power supply provided

  One LED indicator for power ON

  Seven different circuits are provided to study the seven different shaping networks

34. PASSIVE FILTER TRAINER : [TPFT-46]                                                             [TOC]

  Different type of Passive Filters are provided

  Input and Output terminals are provided on the front panel.

  Mimic diagrams are screen printed on the panel.[ 49 ]

35. PHASE LOCKED LOOPS TRAINER [TPLLT - 48]                                                [TOC]

  ±12V DC power supply provided

  one LED indicator provided for power ON.

  Mimic diagram provided in the front panel.

  We can design free running frequency by putting external CT & RT.

Experiment :

  Measure free running frequency find out the lockin range, Capture range.

36. PHASE SHIFT OSCILLATOR TRAINER [TPSOT-49]                                            [TOC]

  ±15 Volt DC Power Supply provided.

  Two different circuits are provided

  Patching Connectors are provided.

  Test points are provided.

  Different frequency can be produced by changing RT of the circuit by inter connecting.

Experiments :

  Phase shift oscillator using Transistor

  Phase shift oscillator using Op-Amp.

37. MILLER AND BOOTSTRAP CIRCUIT TRAINER [TBCT-50]                                   [TOC]

  +12V power supply provided.

  One LED indicator provided for power ON.

  Two separate circuits are provided. They are  (i) Miller voltage Sweep

      (ii) Bootstrap circuit.

  Squarewave generator by using 555IC, to feed the input of the circuit.

  patching connectors provided.

Test points provided.

38. WIDE BAND AMPLIFIER TRAINER : [TWBAT-51]                                              [TOC]

  ±5V DC Power supply provided.

  Input and output terminals are provided.

  Wide Band Amplifier circuit using LM733IC

  One indicator provided for power on.

39. FREQUENCY MULTIPLIER TRAINER [TFMT-52]                                                [TOC]

   ±12 Volt DC Power Supply is provided

  +5 Volt DC Power Supply is provided

  One Potentiometer is used to change the different RT Values.

  Test points are provided

  Patching Connectors are provided[ 53 ]

40. RC COUPLED AMPLIFIER TRAINER [TRCAT-53]                                               [TOC]

  +15Volt DC Variable Power Supply is provided

  Patching Connectors are provided

  Mimic diagram provided in the front panel.

Experiments :

  To study the Frequency response characteristics of Single stage Amplifier & Two stage Amplifier.

41. VOLTAGE CONTROLLED OSCILLATOR TRAINER [TVCOT-54]                         [TOC]

  ±12V DC Power Supply is provided

  One Potentio meter is used to vary the DC input Voltage.

  One Potentio meter is used to vary the RT Values.

  Test points are provided

42. FUNCTION GENERATOR USING OP-AMP [TFGT-55]                                         [TOC]

  ±12 Voltmeter DC Power Supply is provided

  One Pot.meter is used to change the frequency Variation.

  One Pot.meter is used to Change the Gain.

  One Pot.meter is used to Change the Offset.

  One switch is provided to get the different output (Sine, Square and Triangle) of the circuit.

  One Power Indication for Power ON.[ 55 ]

43. PUSH PULL AMPLIFIER TRAINER [TPPAT-56]                                                 [TOC]

  +6V Power Supply provided

  One LED indicator for Power ON.

  Patching Connectors provided

  Driver Transformer is used for amplifying the input signal.

  One center tapped transformer also provided

44. AUDIO POWER AMPLIFIER TRAINER [TAPAT-57]                                             [TOC]

  +12V Power Supply provided

  Mimic diagram provided in the front panel.

  Input and Output terminals are provided

  Output can be connect with speaker.

45. POWER SUPPLY TRAINER                                                                               [TOC]

  One 230/9V step down Transformer for power supply input

  One diode rectifier with filter capacitor to convert AC to DC (for Unregulated power supply)

  One 5.1V Zener is provided to construct Zener voltage regulator.

  One 7805-IC is provided to construct IC +ve regulated power supply.

  One 7905-IC is provided to construct -ve Voltage regulator.

  One fixed 'R' Load provided and One dimmer to vary input AC Volt.

  Ammeter and Voltmeter can be connected externally to the Reading connection.

46. CLASS A & B POWER AMPLIFIER                                                                    [TOC]

  Circuit diagram and required components are provided.

  +12 Volt/0.5 Amp Regulated Power Supply provided.

  Input and Outputs are terminated at suitable connectors.

  Patching connector are provided.

47. 7490 COUNTER                                                                                                [TOC]

  Built-in Power Supply

  Logical diagram provided in the front panel

  Patching connectors are provided

48. BCD TO 7 SEGMENT DECODER USING 7447                                                    [TOC]

  Built-in Power Supply

  Logical diagram provided in the front panel

  Patching connectors are provided [ 56 ]

49. POWER FACTOR TEST SETUP                                                                        [TOC]

  One 230/24V/1A Transformer.

  One dimmer to vary the input voltage.

  One Fixed 'R' and 'L' Load

  Current and Voltage sensing provision

  Output connector for Current and Voltage waveform to Connect with CRO to Monitor Current and Voltage waveform and calculate Power Factor.

50. MEASUREMENT OF TWO PORT PARAMETERS                                               [TOC]

  5V fixed dc power supply

  One 'POT' is provided to vary the 5V

  'Resistor' two-port network is provided

  2 nos. of multimeter (mastech) is provided to measure voltage and current of various combination.

Experiment

1. Determination of Z parameters

2. Determination of h parameters

3. Determination of ABCD parameters

4. Determination of Y parameters

51. LIGHT EMITTING DIODE STUDY MODULE                                                       [TOC]

This trainer consists of PN-Junction diode to study its characteristics

Experiments :

     # Study the characteristics of LED

52. VERIFICATION OF OHM'S LAW                                                                      [TOC]

  The following condition to be checked both measuring and calculation method.

      a. I = V/R

      b. R = V/I

      c. V = IR

  Different values of fixed resistor load Provided

  +5V, 9V and 12V fixed DC supply provided to check Ohm's Law [ 57 ]

53. MOSFET AMPLIFIER TRAINER                                                                       [TOC]

  5V power supply provided.

  One LED indicator provided for power on.

  Input and output terminals are provided.

  One potmeter is used to vary the input voltage of the circuit,

54. BAND REJECT PASSIVE FILTER TRAINER                                                     [TOC]

  This unit having passive components to make Band Reject filter

  Input and output are terminated on the Front panel by banana connectors

  All components are mounted in a Powder coated cabinet

  Experiment :

     # Study the frequency response characteristics

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