In this blog you can find opamp tutorial and circuits like differentiator integrator, summing amplifier and many more circuit. Operational amplifier basics detailed explanation and working of each circuit.

An operational amplifier is a DC-coupled high-gain electronic voltage amplifier amplifier that has high gain, differential input, high input resistance, and low output resistance.

There are mainly two types of opams amplifiers inverting amplifiers and others one is non inverting amplifier.

LM3915 VU Meter Circuit Diagram
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LM3915 Based LED VU Meter Circuit Diagram And Working

Creating an LED VU meter using the LM3915 involves designing a circuit that converts audio signals into visual LED bar displays. The LM3915 is an IC that drives 10 LEDs in a logarithmic scale, making it suitable for audio level meters. A VU meter, or Volume Unit meter, is an audio visualizer that uses a […]

RC Phase Shift Oscillator Circuit
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RC Phase Shift Oscillator Circuit Working & Applications

An RC Phase Shift Oscillator Circuit is a type of electronic oscillator that generates sinusoidal signals. It is typically consisting of an amplifier (usually an operational amplifier), resistors, and capacitors arranged in a feedback network. The phase shift network created by the resistors and capacitors causes the output signal of the amplifier to be fed […]

Zero Crossing Detector Circuit
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Zero Crossing Detector Circuit Working, Waveform & Applications

A zero crossing detector circuit is a simple electronic circuit used to detect the instant when the AC (alternating current) signal crosses the zero voltage point. It is commonly used in various applications such as in power control circuits, phase control circuits, motor control circuits, and in instrumentation. Zero Crossing Detector Circuit Here’s a basic […]

Current Switching Circuit with Arduino
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Current Switching Circuit using Arduino

Hello friends, Current Switching Circuit using Arduino? Do you know how to switch between two power supplies or current sources using Arduino and Relays? Welcome to another interesting article, suppose you want to operate a device that can be operated based on the room temperature or a temperature inside the device, let’s understand this with […]

Automatic Night Lamp Circuit Diagram using lm358
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Automatic Night Lamp Circuit Diagram by LDR & LM358 OPAMP

This article explains automatic night lamp circuit using a high power LEDs circuit which automatically turns the LEDs ON at night and OFF when it is daytime. The sensing part which is being used for detecting the light is Light Dependent Resistor (LDR). The resistance of LDR depends on the light incident on it. Greater […]

40 watt Audio Amplifier
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Stereo Amplifier Circuit 20W + 20W

If you are looking for a first-class 40-watt music stereo amplifier, then look no further. High output efficiency, negligible hum, low harmonic distortion, clarity of the output sound, compact (modular) size, and low cost are some of the key features of this fully solid-state integrated Hi-Fi stereo amplifier which is capable of delivering an output […]