3 Volt Operated Power Amplifier Circuits

This is an audio amplifier with the purpose of can live used with a minor 3 volt Battery Operated,Current get through having the status of not much as 5 milliamps.And amplification up to 500 mW.

3 Volt Operated Power Amplifier Circuit Diagram
3 Volt Operated Power Amplifier Circuit Diagram
Which is sufficient to swell the sound from a sound a propos otherwise the disc totter work comatose to the minor speakers obviously. 3 whilst entering the power supply 3-volt circuit IC1 numeral LM386 amplifier IC size is 300-800 mW, Depending on the power supply circuit with,This is from 3-15 volts. just the once entered into the input pin 3,The non inverting pin to amplifier non-return segment.C1 self-control ensue served slice out the blare input to ground.And C2 increases the rate of amplifier,C2 is to add extra denomination.But if the C2 Too much distortion (the C2 be supposed to not exceed 100uF).The output of IC1 is comatose of the pin 5 through C4 coupling audio signals to better and DC frustrate and not voted for to the narrator.on behalf of the audio portion desire in addition be present fed back through R2 and C3 to the extraordinary frequency response better.
 

Power Amplifier

Inverter Converter

Power Supply

Charger Circuit

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