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Posts tagged 다이어그램 아래로

Schematic diagram for a broadband QRP SWR metering circuit and SSB TRANSCEIVER 80M / 40M boster filter IF Radio

A schematic diagram for a broadband QRP SWR metering circuit for use in a QRP antenna tuner. One could simply hold a momentary DPDT switch down and watch the LED while tuning the capacitors of the antenna tuner for minimum or zero light.

STK461 Class D Modules

STK461 Class D Modules STK461 Class D Modules Circuit Diagram STK461 Class D Modules STK461 Class D Modules

Stereo Preamplifier with Bass-boost circuit diagram with IC TL062

Stereo Preamplifier with Bass-boost circuit diagram Parts: P1 100K P2 10K R1,R2 15K 1/4W R3,R4,R11,R12_100K 1/4W R5,R6 22K 1/4W R7,R8 390K 1/4W R9,R10 560R 1/4W R13 220R 1/4W C1,C2 330nF 63V C3,C8 100uF 25V C4,C5 10pF 63V C6,C7 4u7 63V IC1 TL062

STR10006 CCTV power supply

STR10006  CCTV power supply

Driver LED circuit for Indicator

Driver LED circuit for Indicator using NE555, 4027, 1N4148

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