[1000mp] Mark V Field: AGC Getting Swamped

Earl W Cunningham k6se at juno.com
Sun Jun 6 09:42:29 EDT 2004


Harry, WE1X wrote:

"My real challenge right now is what seems to be the AGC getting swamped
by relatively strong signals (S 9) around 5 Kcs away.  I could understand
this happening if the "offending" station were maybe 2 or 3 Kc, but not
5.  The AGC gets pumped to the point that the receiver becomes desensed."
----------
It shouldn't do that, not even in the SSB mode.  The only thing I can
think of is that the THRU "filter" is engaged.  It might pay to check
your xtal filter configuration setup.  
==========

"With my Icom 756 Pro sitting side by side with the MK V Field and using
the same antenna, several and repeated A/B tests indicate the Icom is NOT
suffering the same experience."
----------
Your Field should be better than your Pro -- My MP is about 6 dB better
than my Pro2 in the IMDDR3 category and better than that in the BDR
category.
==========

"Any suggestions?"
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Also make sure your NB is turned off and the NB gain is all the way CCW,
although a moderately strong (S9) signal shouldn't be a problem even with
the NB gain fully CW (and the NB off).

73, GL, de Earl, K6SE


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