Some of the older synchronised signal generators (2-box systems) e.g
Marconi, used TNC connectors with solid coax where signal leakage was likely
to be a problem.
Alan G3NYK
----- Original Message -----
From: "Volker Esper" <ail...@t-online.de>
To: <time-nuts@febo.com>
Sent: Sunday, March 03, 2013 6:49 PM
Subject: Re: [time-nuts] Don't use cheap cables -- a cautionary tale
Yes, we all have to learn that lesson...
At the time I use bedea RG-223 and Belden H155 with soldered and crimped
Telegaertner BNC connectors as general purpose cable (up to 2 GHz). Above
that frequency I wouldn't use BNC. If you simply connect your tracking
generator with the spectrum analyzer by using such a BNC cable there's not
one that is absolutely stable when stressing the connector. I tried
several manufacturers, HP, Suhner, Radiall, Rosenberger, it's always the
same.
To make precise measurements I prefer screwed connectors like N or SMA.
Volker
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