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Simple 40 Watts Amplifier

admin April 21, 2010 1 Comment
Circuit Description Many electronic circuits having audio amplifiers are available today. This 40W amplifier using TDA 1514 is one among these circuits with TDA 1514 (high performance hi-fi amplifier from Philips) as central part. The audio amplifier IC has...
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Audio Clipping Detector Circuit

admin August 22, 2009 3 Comments
About The Circuit   Clipping is one of the main problems that causes distortion in amplifiers. It causes the amplitude level of a waveform to drop suddenly before it reaches the limit that it was supposed to reach. Well,...
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Simple Power Megaphone Circuit

admin August 22, 2009 3 Comments
About The Circuit   Here isthe circuit diagram of a simple power megaphone circuit. All you have to look out for is whether you get the perfect power and speaker matching. For that the transistors Q1 and Q2 (HEP...
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Low Power Single Tracer Circuit

admin August 21, 2009 2 Comments
About The Circuit Given below is the woking as well as circuit diagram of a single tracer sircuit made with the use of uA 741 operational-amplifier. The main advantage of such a circuit is that with a battery of...
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Guitar Pre-amplifier Circuit

admin August 21, 2009 2 Comments
About The Circuit Here is a simple guitar pre-amplifier circuit. The circuit is designed for high oimpedance type electric guitar pickups. An op-amp IC uA 741 is all that is required. uA 741 IC is IC1 which acts as...
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Simple Audio Monitoring Circuit

admin August 21, 2009 2 Comments
About The Circuit Here is the circuit diagram of an audio monitoring system which can be easily setup on a PCB. The main use of such a circuit is to transmit a sound from one location and to reproduce...
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Simple IR Audio Link

admin August 21, 2009 3 Comments
About The Circuit   Given below is an IR audio link circuit that has been designed to transmit audio signals as far as 4 meters. The signal is passed on to the base of transistor Q1 through the resistor...
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Simple Graphic Equalizer Circuit

admin August 20, 2009 1 Comment
About The Circuit Given below is the circuit diagram of a simple three band graphic equalizer circuit. An IC called LF 351 IC is used here which is designed to operate as a wide bandwidth single operational amplifier. The...
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