On Sun, 2006-03-05 at 00:48 -0500, Robert McGwier wrote: > Almost. Translate the carrier to where you want it to be and then use a > complex bandpass filter to pick off the sideband. > > make the filter edges L < H for your favorite bandwidth (H-L) > > for USB, make a complex filter with edges L, H > > for LSB, make a complex band pass filter with edges > > -H, -L > > Take the real part, make imaginary part = real part. > > send complex signal to sound card. >
Do we have tools to make complex (negative freq) filter coeffecients? (other than externally in matlab etc). I see 'optfir' but looks like it makes float taps too. --Chuck _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio