Uncover the Secret Behind Ham Radio Duplexers

Описание: Today I show what a duplexer does on a repeater, how they are tuned and how you can eliminate interference with other types of filters.

Learn more about repeaters 👉    • Ham Radio Repeaters  


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⏱️Chapters⏱️
0:00 What is a duplexer/cavity filter
1:46 Vari-Notch filters
2:33 Bandpass filters

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