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.
Posts tagged metering
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
