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Channel: Electronic Circuits and Diagram-Electronics Projects and Design » circuit diagram
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Speaker protector

Description. When the amplifier is switched on, the speaker gets popped up by a high voltage and you can hear a loud thud sound from the speaker. This stuff is very harmful to the speaker and it...

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Police siren using NE555

Description. A lot of electronic circuits using NE555 timer IC are already published here and this is just another one.Here is the circuit diagram of a police siren based on NE55 timer IC. The circuit...

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Automatic cooler fan for amplifiers

Description. The schematic of an automatic cooler fan for audio amplifiers is given here. The circuit automatically switch ON the cooler fan whenever the temperature of the heat sink exceeds a preset...

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How to make a Rheostat

I have already explained in detail the working of a rheostat. To know more about the component click on the link below. TAKE A LOOK : POTENTIOMETER AND RHEOSTAT – WORKING AND COMPARISON Although the...

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4 X 15 Watt power amplifier

Description. A lot of electronic circuits in the domain of audio amplifiers are already been published here. This circuit is a little different because it is a four channel amplifier. Each channel of...

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2 x 32 Watts stereo amplifier

Description. The circuit given here is of a 2 x 32 Watt stereo amplifier using the famous TDA2050V IC from ST Microelectronics. The TDA2050V is an integrated monolithic 32 watt class AB audio amplifier...

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3 way active cross- over network

Description. Here is the schematic of a 3 way active cross- over network circuit that finds a lot of application in audio amplifier systems. The heart of this circuit is National Semiconductor’s IC...

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40W amplifier using TDA1514

Description. Many electronic circuits dealing with audio amplifier circuits have been published here. This is just another one and here we use the TDA 1514 high performance hi-fi amplifier from...

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USB sound card

Description. Designing and building a USB sound card is no longer a head ache because we have got the PCM 2702 integrated circuit from Texas Instruments. The PCM2702 is an integrated 16 bit digital to...

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Low cost Mic Mixer

Description This is the schematics of a low cost mic mixer that can be assembled from the components in your junk box.This two channel mike mixer is designed for handling high impedance dynamic...

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