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 … [Read more...] about 10 Simple Unijunction Transistor (UJT) Circuits Explained
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 frequency … [Read more...] about 1 Hz to 1 MHz Frequency Reference Generator Circuit
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, IC 7413 Specifications The I.C.s 7400 and … [Read more...] about Simple Circuits using IC 7400 NAND Gates
IC 555 Oscillator, Alarm and Siren Circuits
In this post we will learn how to build and optimize basic IC 555 oscillator circuits, whose waveforms can be further enhanced for generating complex sound effects such as warble alarm, police siren, … [Read more...] about IC 555 Oscillator, Alarm and Siren Circuits
Understanding Crystal Oscillator Circuits
Basic solid state crystal oscillator circuit configurations are today more developed, almost all circuits being modifications of the widely recognized vacuum tube systems like the Pierce, Hartley, … [Read more...] about Understanding Crystal Oscillator Circuits
Phase Shift Oscillator – 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 an inverting amplifier mode. … [Read more...] about Phase Shift Oscillator – Wien-Bridge, Buffered, Quadrature, Bubba