VR2BrettGraham wrote:
An INRAD CW filter for the K2 is already available, but W2VJN
suggested to me I might not want to buy one as it's hard to use - no
ability to select it - so no point in doing more than a limited production
run & call them prototypes. Even then, the cost was not far into the
USD three-digit range - easily justified based on the expectation of
what it could do, but perhaps a bit too dear seeing how it ended up in
the junk box (being stuck having to always listen through the INRAD
filter equally wasn't on).
...and also it hasn't been possible to take advantage of the filter
characteristics, as far as I know. I have one of these prototypes in my junk
box because even by hard-wiring it into the circuit I was unable to get
sufficient isolation to reduce the blow-by to an acceptable degree. The stock
filter arrangement is better. George (JVN) did some work, but I don't know if
he found a way to use it successfully.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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