No I have not yet made that change. I have been trying to figure out how to use it. I don't understand the brief description
/*! * \brief Enable/disable automatic DC offset removal control loop in FPGA * * \param bits which control loops to enable * \param mask which \p bits to pay attention to * * If the corresponding bit is set, enable the automatic DC * offset correction control loop. * * <pre> * The 4 low bits are significant: * * ADC0 = (1 << 0) * ADC1 = (1 << 1) * ADC2 = (1 << 2) * ADC3 = (1 << 3) * </pre> * * By default the control loop is enabled on all ADC's. */ I don't know what to use for bit or mask values. Is this like the mux values? Please explain how you determine the bit and mask values to use? Mike Original Message: ----------------- From: Eric Blossom [EMAIL PROTECTED] Date: Fri, 11 Nov 2005 01:47:29 -0800 To: [EMAIL PROTECTED], discuss-gnuradio@gnu.org Subject: Re: [Discuss-gnuradio] Using USRP w/o Daughterboard's On Thu, Nov 10, 2005 at 05:18:26PM -0700, Robitaille, Michael wrote: > Thanks Eric, I got my direct interface to the USRP working and the > usrp_oscope.py and ursp_fft.py examples work. I am very glad that the > software defaults to a Basix Rx DB configuration when it finds no DB. > > One item that I am trying to chase down is that when I input a square wave > at low frequencies (1 kHz to 10 kHz) I see a droop in the amplitude. The > signal at the AD9862 input pins looks good. Can the droop be cause by the > decimation filter? > Did you turn off the DC removal control loop in the FPGA? Eric -------------------------------------------------------------------- mail2web - Check your email from the web at http://mail2web.com/ . _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
