Marcus Leech wrote: > When I first got my DBS_RX card, I plugged it into a low-noise > amplifier, and tuned it to the > GPS L1 frequency, with a circular waveguide feedhorn on the front of > the LNA. As expected > the GPS L1 carrier appeared in the fft display. Placing a sheet of > metal in front of the feedhorn > caused the L1 blip to go away. > > Around this time (I got an early DBS_RX card), there was some concern > about some resistor values in > the amplifiers used between the MAX2118 and the A/D. Some values > caused "deafness". Matt had > published instructions on how to fix the problem yourself--assuming a > steady hand, and excellent > eyesight. I think I've seen rotoviruses that were larger than some of > the components on modern > hardware :-) :-) > > But I never saw the "deafness" problem, so I never bothered to implement > the "fix".
ALL units (except for the ones Marcus has) have this fix. Matt _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
