On Tue, 2006-05-23 at 12:39 +0200, Martin Dvh wrote: > Matt Ettus wrote: > >>>Although I am aware that the signal will need to be attenuated severely, I > >>>am unsure what the RF front end of the RFX-400 is spec'd for. With a 20 > >>>dBm > >>>signal at the TX, I am planning to use anywhere from 40 to 60 dB of > >>>attenuation. I believe this will give me a -20 to -40 dBm signal at RX2. > >>>This should be acceptable, right? Thanks again for your help, it is much > >>>appreciated. > > > > > > There is enough leakage between the TX and RX side that you won't need > > to connect them at all. Just put a dummy load on the TX side. The > > TX/RX switch has about 35 dB of isolation. You may get some extra > > isolation by setting the RX input to RX2 and putting another dummy load > > there. > > > > You can also lower the TX power. > I thought the TX power allways had to be at maximum for the RFX boards.
I meant that you can change TX power by lowering your signal level numerically. TX PGA gain must always be at the max. Matt _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
