[Elecraft] K3 in ARRL10

Ron D'Eau Claire ron at cobi.biz
Mon Dec 13 12:26:50 EST 2010


And Barry reports that additional I.F. gain does help him on some signals,
at least. 

Your reports suggest that something in the receiver chain is degrading the
S/N ratio at lower signal levels. 

If the degradation is in the second I.F. then additional first I.F. gain
would help. I've never seen that before, but I am an "analog" guy not
familiar with the characteristics of the DSP system used in the second I.F. 

Ron AC7AC

P.S. CW is just SSB with a *very* narrow bandwidth, Hi! 

-----Original Message-----

Even though I do get a rise in band noise going from dummy load to antenna,
I
still hear weak signals on my 480 that I don't hear on the K3 on 10 meters
SSB. Not sure about cw (what's cw?) :-). Assuming my K3 is set up properly,
I would hate to crank up the IF gain just for 10 meters.
-- 
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