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Posts tagged 2N2907A

Big Power Amplifier Circuit

Big Power Amplifier Circuit using IRF640, IRF9640, 2N5551, 2N5401, 2N2222A, BD139, 2N2907A

Variable dc power supply circuit diagram

Variable dc power supply circuit diagram Variable dc power supply circuit diagram using lm317 Variable dc power supply circuit diagram Variable dc power supply circuit diagram

light switch project

light switch project using BC107 BC108 BC107 BC108 BC557 BC558 BC327 light switch project using BC107 BC108 BC107 BC108 BC557 BC558 BC327 Parts R light resistor R1 4,7 K R2 1,2 K R3 2,2 K R4 1,2 K R5 1,2 K R6 2,7 K R7 100 K C1 10 956/16V TR1 BC107-BC108 NPN (CV7644) TR2 […]

Power Inverter circuit

25W Power Inverter

Relay Driver circuit using CD4024B

Relay Driver circuit using CD4024B, CD4068B, CD4028, BC148, SL100

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