On 03/14/2011 08:14 AM, Leonard Marziliano wrote: > Hi, > > I want to monitor the I and Q samples being send over to the AD9777 DAC > (channel 1). I've noticed on the USRP2 schematic that the FPGA provides > io_tx[0:15] pins which are routed on the daughter board for probing (I > use the Basic Tx daugther board). Now, when I run the tx_samples app > example to transmit sample (using a file read continuously) I get the > signal to the sma connector alright but if I probe the io_tx pins, I get > nothing. > > The main question will be, is it possible for these pins to provide the > same values send to the DAC ? Is there a special configuration or > command that needs to be send to the FPGA to make these pins do what I > want or something else needs to be done ?
You would need to modify the FPGA code to send the DAC signal to those pins, which are normally used for daughterboard control. Matt _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
