It's not so much that isolators cause intermod. They generate
harmonics. For this reason, an isolator is always followed by a
bandpass or low pass filter in commercial applications where good
engineering practice is followed.
See:
Of Ron Wright
Sent: Monday, October 22, 2007 6:19 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: RE: RE: [Repeater-Builder] Re: duplexer isolation and receiver
noise budget
I am not sure why an isolator would cause intermod. Usually there are not
active or non-linear components in them
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