Zero Crossing Detector Circuit

A Zero Crossing Detector Circuit is a useful application of Op-amp as Comparator. It is used to track the changing in the sine...

Instrumentation Amplifier Circuit using Op-Amp

Almost all types of sensors and transducers convert real world parameters like light, temperature, weight etc into voltage...

Sawtooth Waveform Generator Circuit

In electronics, waveforms are mostly plotted against voltage and time. The frequency and amplitude of the signal can vary...

Differential Amplifier or Voltage Subtractor Circuit

Op-Amps were originally developed for Analog mathematical calculations, since then today they have proved to be useful in many...

Peak Detector Circuit

Peak Detector Circuit is used to find the peak amplitude in a rapidly changing waveform. Peak detectors are generally used in...

Simple Microphone to Speaker Amplifier Circuit

You must have seen someone speaking on the MIC and the amplified voice coming from the speaker, how this is possible? Is there...

Audio Voice-over circuit using LM386

At many places, like public speeches or some musical program, where loudspeaker is used, we hear music and voice from the same...

IR based Wireless Audio Transmitter and Receiver Circuit

Infrared is the most commonly used wireless data transfer medium for limited range, and we already covered about simple IR...

10 Watt Audio Amplifier using Op-Amp and Power Transistors

Amplifiers are the backbone of Analog electronics. They are used vastly in the field of electronics industry. Amplifiers are...

Sample and Hold Circuit

Sample and Hold Circuit takes samples from the analog input signal and hold them for particular period of time and then outputs...