[Elecraft] K2 filter center frequency shift with band?
Chris Kantarjiev
cak at dimebank.com
Mon Jan 5 12:37:33 EST 2009
Julian, Don:
You hit it right on the head - I'd forgotten about the sideband
reversal issue. Hitting CW RV puts the audio signal right where
I expect it when using 15m.
I was shifting the MARK frequency by about 900 Hz (using the
values built into MMTTY, from 1175 to 2000) which was a little
bit too far.
If I do a lot of RTTY (unlikely), I may revisit how the filters
are set up and try to get them symmetric; I don't recall being
very careful in the setup with I first tried to get RTTY going.
Thanks!
73 de chris K6DBG
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