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Posts tagged LM741

Active Filter circuit

Active Filter circuit using LM741

400w Audio amplifier schema and layout

400w Audio amplifier schema and layout 400w power amplifier schema and layout using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401 PA 400w using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401

battery charger schematic

Dry Cell battery charger schematic using LM741, 4011, BD139, BC548

Fire alarm circuit diagram

Fire alarm circuit diagram Thermistor works as the heat sensor Simple fire alarm circuit using thermistor and BC558 , BC548 , NE555. Makes an alarm when the fire brakes. Circuit diagram of the audio speaker 8 ohm 1w. fire alarm circuit This is a really interesting explanation of the electrical process in low cost Fire […]

Relay Driver Circuit for Switches

Relay Driver Circuit for Switches using ZVP4106

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