Fri Feb 1 21:03:57 2013 options id fm_rx _enabled True title FM Receiver author OZ9AEC description Simple FM receiver prototype window_size 1280, 1024 generate_options wx_gui category Custom run_options prompt run True max_nouts 0 realtime_scheduling _coordinate (10, 10) _rotation 0 variable_slider id trans _enabled True label Trans value 1500 min 500 max 5000 num_steps 900 style wx.SL_HORIZONTAL converver float_converter grid_pos 8,0,1,1 notebook _coordinate (7, 525) _rotation 0 variable_slider id offset_coarse _enabled True label Coarse tune value 0 min -120000 max 120000 num_steps 960 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,2,1,2 notebook _coordinate (12, 106) _rotation 0 variable_slider id offset_fine _enabled True label Fine tune value 0 min -1000 max 1000 num_steps 400 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,0,1,2 notebook _coordinate (12, 244) _rotation 0 variable id LO _enabled True value 0 _coordinate (268, 8) _rotation 0 variable_slider id af_gain _enabled True label VOL value 1 min 0 max 5 num_steps 50 style wx.SL_HORIZONTAL converver float_converter grid_pos 8,1,1,1 notebook _coordinate (143, 671) _rotation 0 variable_slider id rf_gain _enabled True label RF value 20 min 0 max 50 num_steps 50 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,1,1,1 notebook _coordinate (8, 670) _rotation 0 variable id xlate_filter_taps _enabled True value firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76) _coordinate (392, 238) _rotation 0 variable_slider id sql_lev _enabled True label SQL value 0 min -100 max 100 num_steps 200 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,2,1,1 notebook _coordinate (281, 672) _rotation 0 variable_chooser id display_selector _enabled True label Spectrum value 0 choices [0, 1] labels ['Baseband','USRP'] type drop_down style wx.RA_HORIZONTAL grid_pos 5,0,1,1 notebook _coordinate (165, 813) _rotation 0 gr_freq_xlating_fir_filter_xxx id xlating_fir_filter _enabled True type ccc decim 1 taps xlate_filter_taps center_freq -100000 samp_rate samp_rate _coordinate (397, 350) _rotation 0 variable_static_text id lo_freq _enabled True label LO value LO converver float_converter formatter None grid_pos 5,2,1,1 notebook _coordinate (169, 86) _rotation 0 variable_static_text id rx_freq _enabled True label Receive value LO+freq+(offset_coarse+offset_fine) converver float_converter formatter None grid_pos 5,3,1,1 notebook _coordinate (491, 10) _rotation 0 rtlsdr_source_c id rtlsdr_source_c_0 _enabled True type fc32 args nchan 1 sample_rate samp_rate freq0 freq corr0 0 gain_mode0 0 gain0 0 if_gain0 20 ant0 freq1 0 corr1 0 gain_mode1 0 gain1 0 if_gain1 20 ant1 freq2 0 corr2 0 gain_mode2 0 gain2 0 if_gain2 20 ant2 freq3 0 corr3 0 gain_mode3 0 gain3 0 if_gain3 20 ant3 freq4 0 corr4 0 gain_mode4 0 gain4 0 if_gain4 20 ant4 _coordinate (162, 213) _rotation 0 audio_sink id audio_sink_0 _enabled True samp_rate 44100 device_name pulse ok_to_block True num_inputs 2 _coordinate (1091, 541) _rotation 0 variable_chooser id fmn _enabled True label DEV value 0 choices [0,1] labels ['15k','2k5'] type drop_down style wx.RA_HORIZONTAL grid_pos 8,2,1,1 notebook _coordinate (11, 813) _rotation 0 low_pass_filter id low_pass_filter _enabled True type fir_filter_ccf decim 5 interp 1 gain 1 samp_rate samp_rate cutoff_freq width width trans win firdes.WIN_HAMMING beta 6.76 _coordinate (676, 326) _rotation 0 blks2_rational_resampler_xxx id blks2_rational_resampler_xxx_1 _enabled True type ccc decim 500 interp 441 taps [] fractional_bw 0 _coordinate (225, 502) _rotation 0 variable id samp_rate _enabled True value 250000 _coordinate (170, 9) _rotation 0 variable_slider id width _enabled True label Filter value 24000 min 2000 max 40000 num_steps 760 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,0,1,1 notebook _coordinate (11, 386) _rotation 0 gr_simple_squelch_cc id gr_simple_squelch_cc_0 _enabled True threshold sql_lev alpha 0.05 _coordinate (889, 366) _rotation 0 gr_multiply_const_vxx id gr_multiply_const_vxx_1 _enabled True type float const af_gain vlen 1 _coordinate (775, 608) _rotation 0 variable_text_box id freq _enabled True label USRP value 100050000 converver float_converter formatter None grid_pos 5,1,1,1 notebook _coordinate (339, 9) _rotation 0 wxgui_fftsink2 id fftsink _enabled True type complex title samp_rate samp_rate baseband_freq rx_freq*display_selector y_per_div 10 y_divs 10 ref_level 0 ref_scale 13490.0 fft_size 128 fft_rate 1 peak_hold False average True avg_alpha 0.5 win None win_size 800,300 grid_pos 0,0,5,4 notebook freqvar None _coordinate (670, 82) _rotation 0 blks2_nbfm_rx id nbfm_normal _enabled True audio_rate 44100 quad_rate 44100 tau 75e-6 max_dev width _coordinate (481, 502) _rotation 0 xlating_fir_filter fftsink 0 0 blks2_rational_resampler_xxx_1 nbfm_normal 0 0 gr_simple_squelch_cc_0 blks2_rational_resampler_xxx_1 0 0 xlating_fir_filter low_pass_filter 0 0 low_pass_filter gr_simple_squelch_cc_0 0 0 gr_multiply_const_vxx_1 audio_sink_0 0 1 gr_multiply_const_vxx_1 audio_sink_0 0 0 rtlsdr_source_c_0 xlating_fir_filter 0 0 nbfm_normal gr_multiply_const_vxx_1 0 0