Questions tagged [duplexer]

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Retuning 2m Duplexers (Q2330E) with Spectrum Analyzer and Tracking Generator

Yesterday I was trying to tune up the duplexers one can at a time as listed in this Sinclair Youtube Video. After tuning them my receive is awful and my transmit is somewhat not what it used to be. ...
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193 views

Using a Duplexer and Diplexer in Series

I have 3 Motorola CDM750s that I’m using to build a multi-purpose, portable, temporary repeater. There are 1 VHF and 2 UHF radios. I want to be able to use it as either an in-band UHF repeater or as ...
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92 views

Frequency Agile Duplexer

Duplexers are very annoying, you have to go up to the site with your service monitor and tune it up just to switch the frequency that it operates at. They are a pain to tune, and are designed to stay ...