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Circuit diagram keytop and display for electronic devices

Circuit diagram keytop and display A keyboard “key figure” who work with electrical contact between the surface of the keyboard and the underlying circuit when pressed keytop area, used by some home computers the early 1980s, and has been widely used in consumer electronic devices.

Circuit diagram Segment LED using L7107

Circuit diagram Segment  LED using L7107 R1= 9.1 M R2=910 K R3=91 K R4=9.1 K R5=1 K R6=100 K R7= 5 K R8=5.6K R9=1 M R10=47 K R11,R12,R13=220 ohm C1=100 pF C2=0.1uF C3=0.01uF C4=0.47uF C5=0.22uF C6=0.33uF C7=1uFC8=C4=0.047uF C9=10uF D1,D2:n4148 D3:Led D4,D5:led IC1: ICL7107 Digital analog converter circuit L7107 and seven-segment decoder R1= 9.1 M R2=910 […]

RF power amplifier design

RF power amplifier design using MGA86563 triquint semiconductor RF power amplifier design circuit using MGA86563 triquint semiconductor

Automotive Wiring Diagram Instructions

Automotive Wiring Diagram Instructions

Lcd TV Power Supply Circuit Diagram

Lcd TV Power Supply Circuit Diagram

Converter PDF circuit

Converter PDF Converter PDF circuit

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