On Fri, Mar 16, 2007 at 06:29:42PM -0400, [EMAIL PROTECTED] wrote: > Ok, I can accept that this device was not intended to be used as a > calibrated measurement device, but maybe I can give it a shot. If I keep > the decimation constant, and stabilize the temperature, what other > considerations do I need to take into account (other than the obvious one, > ie gain) for the basic am-demodulation routine I am using? Can I consider > the FPGA as a "black box" and just calibrate the output vs the input at > the physical connector? > > thanks, > eric
Yes, you should be able to make this work. You'll want to apply a known stimulus at several frequencies and amplitudes, measure what you get for each of those, then determine your calibration coefficients. If you haven't already, I suggest reading up on "two-point calibration". Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio