In this article we comprehensively discuss how to build accurate RC square wave oscillator circuits with 50% duty cycle, by appropriately configuring the gates from various CMOS ICs such as […]
Digital Step Sine wave Generator Circuit
In this post we learn 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 […]
6 Useful Voltage Controlled Oscillator Circuit Explored
In this post we learn 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 […]
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 […]
10 Simple Unijunction Transistor (UJT) Circuits Explained
In the earlier post we learned comprehensively about how a unijunction transistor works, in this post we will discuss a few interesting application circuits using this amazing device called UJT. […]
1 Hz to 1 MHz Frequency Reference Generator Circuit
This circuit is an universal frequency generator which you can use in numerous frequency and time period testing applications. It is primarily well suited for a gate pulse generator in […]
Simple Circuits using IC 7400 NAND Gates
In this article we will discuss many assorted circuit ideas built using NAND gates from ICs such as IC 7400, IC 7413, IC 4011, and IC 4093 etc. IC 7400, […]
5 Best IC 555 Oscillator Circuits Explored
In this post we will learn how to build and optimize 5 useful IC 555 oscillator circuits, whose waveforms can be further enhanced for generating complex sound effects. Overview The […]
Understanding Crystal Oscillator Circuits
An oscillator is a circuit which produces a certain frequency and holds this frequency within limits. An inductance-capacitance (LC) oscillator is dependent upon the resonant interchange of electrical energy between […]
Phase Shift Oscillator Circuits – Wien-Bridge, Buffered, Quadrature, Bubba
A phase-shift oscillator is an oscillator circuit designed to generate a sinewave output. It operates with a single active element such as a BJT or an op amp configured in […]