On Mon, Mar 12, 2007 at 10:45:14AM -0700, Johnathan Corgan wrote:
> This is typically call Automatic Frequency Control and shortened to AFC.
>
> Accomplishing AFC is modulation specific; in GNU Radio one typically
> builds a flow graph that incorporates AFC by using an appropriate
> phase-locked loop.
Probably I am quibbling terribly, but mostly AFC implies
a frequency locked loop... usually used to correct the LO frequency
so a signal sits in the center of the passband.
Sometimes the VCO (NCO) frequency offset of a PLL IS used
for this, but it doesn't have to be...
--
Dave Emery N1PRE, [EMAIL PROTECTED] DIE Consulting, Weston, Mass 02493
"An empty zombie mind with a forlorn barely readable weatherbeaten
'For Rent' sign still vainly flapping outside on the weed encrusted pole - in
celebration of what could have been, but wasn't and is not to be now either."
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