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Modified Electronics circuit power supplay

Further adjustments include a rectified and filtered heater supply to the triodes eliminating AC hum coupled to the signal path via parasitic wiring capacitances. A power transformer with a 350V-0-350V secondary supply an increased voltage supply to the output section with is then stepped down to the 5F6-A’s voltage supplies to the phase splitter, cathode […]

Inverter amplifier schematic LC50

Inverter amplifier schematic LC50

lm555 lm555c timer

lm555 lm555c timer Circuits

Energy Management for portable charger schematic

Energy Management for portable charger schematic

Electronic circuit diagram audio amplifier AN7140 5w

Electronic circuit diagram audio amplifier AN7140 5w Electronic circuit diagram audio amplifier AN7140 5w

3 channel microphone circuit

3 channel microphone circuit using BC550C, BC547, BC557 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

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