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Posts tagged DIY Class-A mic-preamp

Portable Mic Pre-amp 2 transistor

Portable Mic Pre-amp 2 transistor using BC549C, BC547B

cut off low Circuit Diagram

cut off low Circuit Diagram for disconnect car battery using ADM666A, 2N2222 This is a circuit diagram for a solid state charge detector. It can detect very weak electric fields. The circuit has three components: a 6-volt battery, a light-emitting diode (LED), and a field-effect IC ADM666A

Fm Radio Receiver circuit

Fm Radio Receiver circuit using using TDA7088BT, TDA7040T, TDA7050T, BB909B

LM555 Chip timer part 7

LM555 Chip timer part 7

180 W Amplifier Circuit

180 W Amplifier Circuit With BC179, BC337, BC327, TIP42, TIP41 Transistor The function for this circuit is an audio amplifier capable of delivering a decent output power with a minimum no: of parts , with considerable sound quality. Component: BC179, BC337, BC327, TIP42, TIP41 Transistor, Resistor, Electrolytic Capacitor, Ceramic Capacitor.

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