In this post I have explained how to build a simple white noise generator circuit which can be subsequently filtered to generate the pink noise output. If you hear to the white noise or pink noise, you will find it exactly similar to the noise that we hear in FM radios in the absence of […]
Oscillator Circuits
6 Useful Voltage Controlled Oscillator Circuit Explored
In this post I have explained how to build 6 useful voltage controlled oscillator circuits, using various op amps and integrated circuits. As the name suggests, a voltage controlled oscillator or a VCO circuit is an oscillator circuit whose output frequency can be controlled or varied through an adjustable control voltage input. This means, if […]
Digital Step Sine wave Generator Circuit
In this post I have explained how to build a simple yet accurate digital sine wave generator circuit, which is basically an oscillator circuit, enhanced to generate square waves through incrementing steps, which ultimately appears like a stepped sine waveform. By Ron Mackenzy The difference between analogue sine wave generator and digital sine wave generator […]
Sine Wave Inverter using Bubba Oscillator Circuit
In this post I have explained how to make a simple sine wave inverter using bubba oscillator sine wave generator. The idea ws requested by Mr. Ritwik Naudiyal. Technical Specifications I am a 4th year B.Tech Student Electrical Eng. We are trying to make pure wave sine wave inverter using PWM and bubba oscillator for […]
Sine-Cosine Waveform Generator Circuit
The circuit discussed below is designed to generate precision sine and cosine waveforms, which are perfectly identical with their dimensions, but are 90° out of phase. There are a variety of applications which often demand a couple of sinewave frequencies which are of the identical frequency, but 90° out of phase. Simply put, a sine […]
How Blocking Oscillator Works
A blocking oscillator is one of the simplest form of oscillators which is able to produce self sustaining oscillations through the use of just a few passive and a single active component. The name “blocking” is applied due to fact that the switching of the main device in the form of a BJT is blocked […]