[Discuss-gnuradio] Inverted spectrum

2013-07-13 Thread Andrew Davis
Hello all, When using pll_carriertracking_cc, the returned spectrum seems to be inverted about 0MHz, when looking though the code line 113 of gr-analog/lib/pll_carriertracking_cc_impl.cc looked odd: > optr[i] = iptr[i] * gr_complex(t_real, -t_imag); could someone explain why the the imaginary co

Re: [Discuss-gnuradio] [USRP-users] driver mode for the external ref clock port of N210

2013-07-13 Thread Robert Watson
Hi Alex, I assume you're referring to the 10MHz reference input and PPS input? Details are here... http://files.ettus.com/uhd_docs/manual/html/usrp2.html#pps-pulse-per-second R. On 12 July 2013 23:01, Alex Zhang wrote: > hello, > > I am going to connect the N210 external ref port to a clock

Re: [Discuss-gnuradio] [OT] Greetings from Eric and a small favor...

2013-07-13 Thread ILKYOUNG KWOUN
Hello, Eric. It has been quite a while I see your posting on the board. Most probably I would be a stranger to you, but I met you at a couple of conferences. It seems that you are a bit cautious or shy to post the request, but I hope you know that you don't really have to be. I tried to access th