In this article we discuss the main differences between op amp and comparator, and try to understand why op amps are not ideally suited to be used like compartaors. We […]
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Simple Tone Control Circuits
Tone control circuits are basically filter circuits which are used to filter audio frequency signals so that only the desired range of frequencies are allowed to pass to the amplifier […]
Simple LED Circuits
In this post we will learn how to build a few interesting LED circuits, and also learn how to connect LEDs correctly in a circuit. LED stands for Light Emitting […]
60 Watt Amplifier Circuit
The circuit of a 60 watt power amplifier is shown in the below figure. It’s design layout is simple and very conventional. It has a completely symmetrical pattern which has […]
Types of Batteries Explained [NiCd, NiMH, Lead Acid, Li-Ion]
In this post we discuss the main types of batteries that are widely used in today’s world for almost all important applications, ranging from cars, automobiles mobile phones, airplanes, industries, […]
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 […]