Steve, Yes, you are quite right. All my transverters have conversion gain of 20dB and NF of 1db-ish (disregarding pre-amp at antenna) and in general I don't see the DDC artifacts in normal operation. Thanks for pointing out the reality of the situation :)
Joe k6sat On Jul 8, 2010, at 6:47 AM, Stephen Hicks, N5AC wrote: > Incidentally, Joe, your transverter should have conversion gain that will > also overcome much of any noise you would experience in the HF rig. For > example, if you run with 20dB conversion gain and your NF on a 2304 > transverter is 1dB, your MDS will be sent to the HF rig as a -126dBm signal > (if I ran the numbers correctly). This should be above the noise in the HF > rig as a general rule. > > Steve > > Stephen Hicks, N5AC, AAR6AM > VP Engineering > FlexRadio Systems™ > 13091 Pond Springs Road, #250 > Austin, TX 78729 > Phone: 512-535-4713 x205 > Email: [email protected] > Web: www.flex-radio.com > > Tune In Excitement™ > PowerSDR™ is a trademark of FlexRadio Systems > _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using alpha and beta versions of the software.
