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Posts tagged BC559

Simple audio oscillator circuit diagram

Simple audio oscillator circuit diagram using BC559, BC549

Power Supply Control

Power Supply Control using BC549, BC559, BD139

LM358 IC and schematic diagram

LM358 IC and schematic diagram

Full-duplex Intercom PCB for your office and house

P1____    22K  Log. Potentiometer R1___     22K  1/4W Resistor R2,R3____ 100K  1/4W Resistors R4___     47K  1/4W Resistor R5_____   2K2 1/4W Resistor (See Notes) R6_____   6K8 1/4W Resistor R7________22K  1/2W Carbon or Cermet Trimmer R8_______ 2K7 1/4W Resistor C1,C6_____100nF  63V Polyester or Ceramic Capacitors C2,C3___ _10µF  63V Electrolytic Capacitors C4________22µF  25V Electrolytic Capacitor C5________22nF  63V Polyester or […]

audio amplifier using LA4700

Stereo audio amplifier circuit using LA4700

Circuit Monitor

Circuit Vertical deflection for monitor and tv using   TDA4800 Circuit Vertical deflection for monitor and tv

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