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BTL – STEREO TO MONO DRIVER Audio

BTL STEREO TO MONO circuit, DRIVER bridge a stereo power amp to mono USING C828 the BTL power amplifier system is: “Two power amplifier units connected by bridge joints can form a larger power amplifier. The amplifier system is in English called Budge Transformer Less BTL. This amplifier system can amplify the amplifier noise by […]

Power integrated circuit

Power integrated circuit 300W Power Amplifier circuit using TR A564, D438, B507, D313, MJ2955, 2N3055 300W Power integrated circuit using TR A564, D438, B507, D313, MJ2955, 2N3055

Mini Mixer

Mini Mixer Mini Mixer circuit using BC550C, BC547, BC557 Mini Mixer circuit using BC550C, BC547, BC557 Mini Mixer P1,P2,P3______5K R1,R11,R15____180K 1/4W R2,R12,R16____2M2 1/4W R3,R13,R17____750R 1/4W R4,R14,R18____1K 1/4W R5____________15K 1/4W R6____________220R 1/4W R7____________1K5 1/4W R8____________820R 1/4W R9____________150R 1/4W R10___________100K 1/4W C1,C6,C8______1µF C2,C4,C7,C9___100µF C3,C5_________220µF Q1,Q4,Q5______BC550C Q2____________BC547 Q3____________BC557

Circuit diagram in making incandescent lamps

Circuit diagram in making incandescent lamps This simple circuit that can be used to flash incandescent lamps up to 10W power rating. The circuit is ideal for making flashing beacons on automobiles and other applications like that.The circuit is nothing but  an astable multi vibrator based on Q1&Q2 ( BC557&BD139).The capacitor C1 is the main […]

12 volt light bulbs circuit for voltage monitoring

12 volt light bulbs circuit for voltage monitoring using OR 2907, 3906, ADC122S101

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