Roland wrote:
Last evening I read somewhat older artikel in this Elecraft Net.
Is it true that it is better to disconnect your FCTR probe after filter
aligments are done?
My probe is still connected to TP2, this way I can always check/realign filter
settings.
But the possibility is that you can get some spurs?? If so, what could happen?
Leaving the probe in place increases the amount of BFO 3rd harmonic in
the output on 14 MHz. There may also be other spurs. I checked this
and did notice that the spur became louder when the probe was plugged
in. I don't know if the level is high enough to be a problem; most
likely not with a QRP K2. But if you have a KPA100 or even a KPA100 and
an external amplifier, it's probably a good idea to leave the probe
disconnected.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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