Hi,
I too am the recent proud owner of an HP8753B Network Analyser; a
mind-blowingly clever piece of equipment. Recommended for its Educational and
practical value!.
As received, the fan ran - but was very noisy. I replaced the fan with an
EBM-Papst 4414M, which was slightly quieter - but not as much improvement as I
had hoped.
The CRT screen display was a bit dim, but I achieved a surprising and very
useful improvement by following the procedure for re-centering the screen
display. This brought new areas of phosphor into use for the graticule and all
the screen data. Much easier to read now.
My remaining problem is intermittant uncertain contact closure of the various
push-buttons - -presumably dirt or weak springs. If anyone knows how to remedy
or get replacements please advise!
Richard Marshall
MA, CEng., FIEE, FInst.P, FIET
Richard Marshall Laboratories
30 Ox Lane, Harpenden, Herts.
AL5 4HE UK
Phone +44 (0)1582 460815 www.design-emc.co.uk
Member of the EMC Industry Association
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