Hi,
I'm in the process of constructing a 2m amplifier using the YC156 or
3CX5000A7 tubes - the tubes are not identical, but are similar. See
http://www.david-kirkby.co.uk/ham/yc156.html
The driver, which uses a conduction cooled version of the 4CX250B is
detailed at
http://www.david-kirkby.co.uk/ham/y799.html
If anyone has any comments, I'd be interested. The designs are not
complete and working, so don't bother copying just yet. However, it
might be of interest to some.
--
Dr. David Kirkby Ph.D,
email: drkirkby@ntlwold.com (formally davek@medphys.ucl.ac.uk)
web page: http://www.david-kirkby.co.uk
Amateur radio callsign: G8WRB
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