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." _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio