> ...The latter is also true for the strongest lines in the wrong USB whose > amplitudes are only about -46 dB down. Their frequencies do not > correspond to expectations for intermodulation products. They appear at > 3340 Hz and 4560 Hz obove 3.7 MHz in the above mentioned test set-up. > Since they appear relatively strong in the wrong sideband, it is worth > to think about. Any idea??
Try shifting the Tx frequency slightly. They are likely to be spurs from the DDS. 73, Lyle KK7P _______________________________________________ FlexRadio mailing list FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archive Link: http://mail.flex-radio.biz/pipermail/flexradio_flex-radio.biz/ FlexRadio Homepage: http://www.flex-radio.com
