Folks:
For your info, and the benefot of others who might be eventually installing
one of the CW Tuning Indicators in their K2, here's a note from Vic (K2VCO)
which you should read and heed!
73,
Tom N0SS
---------------------
Tom Hammond wrote:
A question has been raised which I cannot (yet) answer. Though I hope to
be able to answer it soon...
If you installed the CW Tuning Indicator PC board in a fully-appointed K2
(KPA100,KSB2/KNB2/KDSP2), WHERE did you wind up placing it?
I had one installed some time ago (the original KR5L circuit), and I want
to mention where NOT to put it: Absolutely DO NOT put it near the plug for
the counter probe!
I had mine attached with double-sided tape on the side panel (this was
before I had the DSP, so it probably wouldn't fit there now).
Harmonics of the square-wave oscillator in the chip were picked up by the
counter circuit, which made the readings jump all over the place when I
tried to do CAL FIL.
I went absolutely NUTS before figuring out what the problem was.
So, assuming that you can find a place to put it, check to make sure that
it doesn't cause RFI to anything.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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