Posted by
wayne burdick on
Dec 18, 2007; 6:12am
URL: http://elecraft.85.s1.nabble.com/K3-and-AM-mode-using-the-DSP-bandwidth-controls-tp457125p457128.html
Bill W5WVO wrote:
> To clarify -- Will something equivalent to this mode be possible on
> the K3 >>IN AM MODE<< -- i.e., without having to absorb the carrier
> energy, as when listening in USB/LSB mode? Can I shift the IF passband
> in AM mode and listen to just one sideband or the other?
Bill,
In AM mode, if you tap XFIL to select a 2.8 or 2.7 kHz filter, then
SHIFT the passband down (counterclockwise), you'll be removing one
sideband. The narrower crystal filter passband results in a loss of
fidelity from the high-precision I-Q AM demodulator, but the signal
will still be intelligible.
If you want to control which sideband you remove, you can always use
LSB or USB. This provides excellent fidelity on AM signals, and you
don't have to touch the VFO -- just changes modes.
73,
Wayne
N6KR
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