|25W Hi-Fi Audio Amplifier Circuit Diagram|
Thursday, April 19, 2012
This circuit is the audio amplifier circuit has a very all the rage single.This is a down-to-earth circuit. miniature pieces of equipment. And Watt are climax.The circuit uses IC figure LM1875, which is under the protection circuit IC output before Too tiny circuit. And a important distortion because low as 0.015% on a frequency of 1kHz.
This circuit uses helpful, unconstructive ground power supply to move the audio show with both halves of the signal swing, positive and negative halves,The sound so as to came not permitted rock apparent.production is. as soon as paying into the audio input. Audio is through R1, R2, C1 and R3 to limit the audio sign appropriately.And limit the racket to the input signal assorted down to the ground.next sends a signal to racket to the input pin of IC 1.A noninterting pin, amplifier non-return time.Out of the 4 output pins to access the speakers.The R6 and C4 eliminate racket miscellaneous with the output down to the ground.And a new part of the audio output pin 4 of integrated circuit bidding befall fed back into place through R5 to pin 2, which R4 and R5 determines the rate of boost up, can be calculated from R5/R4,will expansion equal to 15 era, With a C2 to experience high-pitched frequencies better.
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