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Posts tagged metering

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.

555 Alternating Flasher

555 Alternating Flasher Circuit Diagram 555 Alternating Flasher Circuit Diagram

Make preamp circuit for Guitar using TL074

Make preamp circuit for Guitar using TL074 Make preamp circuit for Guitar using TL074

LM555 Circuit Monostable Timers part 15

LM555 Circuit Monostable Timers part 15

Switches Diagram for traffic signs

Switches Diagram for traffic signs

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