On 06/05/2012 04:53 PM, Nazmul Islam wrote: > I have attached a screenshot that shows that way I am using the USRP:UHD > Sink block. I am running both of my USRP's with the same 10 MHz clock > signal. The clock signal is coming from a function generator. Therefore, I > have changed the clock source option in the USRP Sink block to be external. > > Unfortunately, I am getting wrong/strange outputs due to this change. Do I > need to make any other change in the flowgraph to make it work with > external clock source? >
Please define "wrong/strange outputs". Is the device locked to the reference? ie, is the ref lock light on? http://files.ettus.com/uhd_docs/manual/html/usrp2.html#front-panel-leds > Thanks, > > Nazmul > > On Tue, Jun 5, 2012 at 4:31 PM, Nazmul Islam > <mnis...@winlab.rutgers.edu>wrote: > >> Hello, >> >> I am running two USRP2's with a 10 MHz external clock. I am using >> gnuradio-companion to transmit data between the USRP's. I have changed the >> *clock source* option as 'external' in the UHD:USRP Source & Sinc >> blocks. I kept the time source and clock rate block as default since I am >> not providing any external pps. >> >> Unfortunately, I am getting unexpected and wrong outputs. Do I need to >> make any other changes in the USRP Source & Sink options? >> >> >> Thanks, >> >> Nazmul >> >> >> >> >> -- >> Muhammad Nazmul Islam >> >> Graduate Student >> Electrical & Computer Engineering >> Wireless Information & Networking Laboratory >> Rutgers, USA. >> >> > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
