In this post I have explained how to use rectifier diodes for building some practical and useful electronic circuits. A diode is the most basic semiconductor electronic component, which is built with a single pn semiconductor junction. It has only two terminals, which are referred to as the anode and the cathode. Diodes can be […]
New Circuit Projects
IC 741 Power Supply Circuits
In this post I have explained how to make simple yet fully stabilized and regulated, variable power supply circuits using the IC 741 op amp. Three versions of the 741 power supplies are I have explained below: Simple Variable IC 741 Power Supply The first figure below exhibits a IC 741 based simple variable voltage […]
Public Address (PA) Amplifier Circuit
A public address system (PA system) is an electronic system that includes a set of audio electronic devices such as microphones, amplifiers, loudspeakers, and other similar audio equipment. It is designed to boost the volume of a human speech, or a musical source, or some other audible sound input to an amplified version through an […]
Bench Amplifier Circuit
A bench amplifier is a small test amplifier which includes basically all the features that are required for testing the performance of an input audio signal. It can be also customized as per the specifications of the input signal, so that you don’t have to build different sets of amplifiers for different test purposes. A […]
Two Tone Door Bell Circuit
The electronic 2 tone door bell circuit is designed around the popular IC 555. The IC 555 is extensively applied in numerous varieties of timers and also as a basic oscillator circuit. In this particular project both the timer and the oscillator functions of the IC are utilized. As soon as the indicated push-button is […]
Bridged Amplifier Circuit using LM380 Circuit
In this post I have explained how to configure a couple of LM380 ICs in the bridged format to create an output power that’s two times more or double of a single IC amplifier. When two identical amplifier circuits are configured such that the loudspeaker operates at the center in a push pull manner, between […]
