[AMPS] IMD

To:	<amps@contesting.com>
Subject:	[AMPS] IMD
From:	Peter.Chadwick@zarlink.com (Peter Chadwick)
Date:	Tue, 18 Sep 2001 13:53:21 +0100


>> We have to remember a two-tone test does not show IMD caused 
>> by poor dynamic power supply regulation.


According to Pappenfus, a test with very closely spaced tones (<50Hz) will do it
- but you need a spectrum analyser with very good resolution.

73

Peter G3RZP



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