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Posts tagged laptop 12 volt adapter

DC 12v to 19V laptop charger

Can I charge + 12v battery using + 19v laptop charger? DC 12v to 19V laptop charger circuit modules using LM3524 , BUZ78, BC548

Driver Matrix audio mini-i pro

Driver Matrix audio mini-i pro circuit modules using TIP31 32 /TIP41 42 , MJE350, MJE340, BC556, BC546

Mono Microphone Preamp Circuit

Mono Microphone Preamp Circuit using NE5532, 2SB737 Mono Microphone Preamp Circuit has a good result, Mic Circuit uses IC NE5532. Mono Microphone Preamp also use Transistors 2SB737, 3 pieces tansistor sequentially in pairs, so that you can achieve a variety of tones stronger. Mono microphone pre amp circuit diagram It has two operational amplifiers better. […]

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