W1UJR wrote:
>I built and installed the Noise Blanker board for the K2 last night.
>Even when not switched on, it seems to attenuate the signal by 1-2 S units.
>I did not find this correct and went back and double-checked components and
windings on the cores, twice!
This is not correct, you should not notice the existence of the KNB2 in your
K2 at all when it is not turned on. You could try to test whether it works
or not by the 'rub a screwdriver across Q21'-test described below:
http://www.ac6rm.net/mailarchive/html/elecraft-list/2002-04/msg00457.html73
Sverre
LA3ZA
Unofficial Guide to K2 Modifications
http://www.qslnet.de/member/la3za/K2/mod.html--
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