On Fri, Nov 17, 2006 at 07:13:05PM -0800, Oussama Sekkat wrote: > Hi, > > I am still trying to measure the digital output noise (from the LFRX_A > daughterboard).
Another random thought: Since you are using the LFRX and it's DC coupled you must turn off the ADC DC offset removal control loop in the FPGA. /*! * \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. */ bool set_dc_offset_cl_enable(int bits, int mask); In python: u.set_dc_offset_cl_enable(0x0, 0x3) Eric _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
