John Clark wrote: > To anyone using the following: > > I'm using the USRP with a Microtune UHF band tuner. > > What I see is that there is a significant artifact at 512 MHz, and a > few more, but > another 'clear' artifact at 640 Mhz. > > I believe these to be induced by the digitzing clock of 64 MHz. > > However, since I avoid 'hardware' like the plague, if others have > better explainations > and corrections I'd like to hear about them. > > In terms of shielding, the Microtune module does seem to have > shielding, however, on > the USRP board, I do not see much leading into the Analog Devices chips. > > We are looking at very low signal levels, and so perhaps others have > not seen these > artifacts, as they may be looking at much higher signal levels... > > Thanks > John Clark. > I see artifacts at multiples of 20Mhz. Somewhat unfortunate, since my primary observing band is 1416-1424Mhz. The 64Mhz artifacts fall outside my passband.
signature.asc
Description: OpenPGP digital signature
_______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
