The trainer kit is designed keeping most of the experiments in common with an op-amp. Op-amp used here: LM741. Trainer kit feature is listed below: 

 
List of features:
•    Onboard function generator: Sine, Triangle, and Square wave
•    On-board test variable power supply
•    Functional Blocks indicated on board mimic
•    Built-in power supply
•    Compact size
•    Ready experiments
•    Op-Amp: LM741
•    Dual power supply for Op-Amps: +12V-0-(-12V)
•    Onboard project board
•    Onboard test points
•    Power consumption: 4VA appx. 
•    Supply voltage: AC220V. 

Experiment list:

• The differential amplifier (Subtractor)
• Integrator amplifier
• Zero-crossing detector
• Peak detector
• Phase shift oscillator
• Summing amplifier/ voltage adder (inverting)
• Summing amplifier non-inverting
• Wien bridge oscillator
• Half-bridge rectifier
• Active 2nd order low pass filter
• Voltage follower/buffer
• Comparator
• Non-inverting amplifier
• Inverting amplifier
• +15V,-15V variable dc sources with a digital meter
• +12V,-12V source
• Frequency meter

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