Jim W6LG YouTube Elmer shows how to measure insertion loss on a box he built with a relay inside to select one of two linear amplifiers. He uses a NanoVNA to measure the insertion loss in an interesting way.
Antenna
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Review
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Explaining Ham Radio Antenna Baluns, UNUNs and Toroids Read more
The post Insertion Loss, A/B Amplifier Relay, Why It Is Called An RCA Phono Plug/Jack, appeared first on QRZ NOW – Ham Radio News.