Hi
FEI tended to “hang on” to model numbers through many generations
of devices. I suspect this made marketing a lot easier. It does not make
working out “what do I have here” very easy these many years later.
They never intended any of these devices to be field repairable. Their
customers neve
Hi, there's a link to information on the Time Nuts archive:
https://time-nuts.febo.narkive.com/Bhntgkdy/changing-fe-5650a-frequency
Schematics might not be included, FE seem to have kept those close to their
chests.
If the link to the ZIP file fails, archive.org might still have it.
On Thu, 3 M
