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Convert Audio Amplifier into Pure Sinewave Inverter

If you are not too keen in understanding the deep technical aspects of a true sine wave power inverter, yet want to build it within a couple of hours, then this article will help you to accomplish it using an audio power amplifier and some DC motors. Here we’ll how to convert audio amplifiers into … Read moreConvert Audio Amplifier into Pure Sinewave Inverter

Audio Record/Playback Circuit using IC ISD1820

The post  explains the functioning of the  IC ISD1820 which is a single chip audio message record/playback chip featuring a 20 second audio recording and storing facility in its internal memory and playing it back through a small 8 ohm speaker whenever required. Introduction The IC ISD1820 is a device which features a single chip … Read moreAudio Record/Playback Circuit using IC ISD1820

4 Channel DJ Audio Mixer Circuit for Discotheques Applications

This is a universal 4 channel DJ audio mixer project that may be customized and upgraded to 5 channel or even 10 channel level as desired by the user. 5 Stage DJ Mixer Five stages are employed within the layout; DJ mixer stage; Mono headphone amplifier stage; Balanced-microphone preamplifier stage; Stereo VU circuit stage, and … Read more4 Channel DJ Audio Mixer Circuit for Discotheques Applications

6 watt Audio Amplifier Circuit Using TDA1011

A very simple yet useful 6 watt audio amplifier circuit using IC TDA1011 is explained in the following article, which can be built by new hobbyist and used for amplifying music from different sources such as cellphones, FM radios, doorbell etc. By:Dhrubajyoti Biswas. A monolithic integrated audio amplifier circuit TDA1011 is especially used for recording … Read more6 watt Audio Amplifier Circuit Using TDA1011

SMPS 2 x 50V 350W Circuit for Audio Power Amplifiers

This article will illustrate a simple procedure to devise an unregulated 50V switching SMPS symmetric power supply of 350W. This unit can be substituted with the standard audio amplifier power supply to reduce expense and also the weight. The proposed power supply works as a half-bridge with no regulation. Written and Submitted by: Dhrubajyoti Biswas … Read moreSMPS 2 x 50V 350W Circuit for Audio Power Amplifiers

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