They all do that. The 8656A has a lot of close-in phase noise. Not clean
enough for any SSB work that requires an extremely stable reference.
-- john KE5FX
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-----Original Message-----
From: halkinley [mailto:halkinley@...]
Sent: Monday, February 16, 2004 10:09 AM
To: hp_agilent_equipment@...
Subject: [hp_agilent_equipment] HP8656A
I have a HP8656A signal generator. Works fine for FM and AM.
However, when using it to test a SSB receiver there is a
pronounced "warble" in the tone and it is serious enough to affect
the measurements. Any clue as to where to look for the trouble? A
friend of mine bought one at the same time and place as I did (used
equipment dealer) and his does the same thing. Any ideas or
suggestions on how to repair it? Thanks,
Hal Kinley
WA4GIB
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