Mon Nov 1 15:42:04 2010 options id ssb_rx_v05_LF_bin _enabled True title SSB Receiver V0.5 (binaural) author OZ9AEC description Simple SSB receiver prototype (LFRX) window_size 1280, 1024 generate_options wx_gui category Custom run True realtime_scheduling _coordinate (10, 10) _rotation 0 variable id samp_rate _enabled True value 64e6/256 _coordinate (175, 10) _rotation 0 variable id filter_taps _enabled True value firdes.low_pass(1, samp_rate, 25000, 2000, firdes.WIN_HAMMING, 6.76) _coordinate (390, 12) _rotation 0 variable_static_text id usrp_freq _enabled True label USRP value freq converver float_converter formatter None grid_pos 5,0,1,1 notebook _coordinate (800, 10) _rotation 0 variable_static_text id rx_freq _enabled True label RX value freq+(offset_coarse+offset_fine) converver float_converter formatter None grid_pos 5,2,1,1 notebook _coordinate (934, 11) _rotation 0 variable id LO _enabled True value 0 _coordinate (572, 14) _rotation 0 variable id high _enabled True value center+width/2 _coordinate (430, 754) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0_0 _enabled True type complex title IF Spectrum samp_rate samp_rate/5 baseband_freq 0 y_per_div 10 y_divs 10 ref_level 50 fft_size 512 fft_rate 15 peak_hold False average True avg_alpha 0.5 grid_pos notebook nbook,1 _coordinate (651, 81) _rotation 0 band_pass_filter id band_pass_filter_0 _enabled True type fir_filter_ccc decim 1 interp 1 gain 1 samp_rate samp_rate/5 low_cutoff_freq low high_cutoff_freq high width trans window WIN_HAMMING beta 6.76 _coordinate (653, 291) _rotation 0 variable id freq _enabled True value 7100000 _coordinate (263, 8) _rotation 0 notebook id nbook _enabled True style wx.NB_TOP labels ['RF Spectrum', 'IF Spectrum'] grid_pos 0,0,5,5 notebook _coordinate (150, 112) _rotation 0 variable_slider id trans _enabled True label Trans value 300 min 100 max 2000 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos 10,0,1,2 notebook _coordinate (287, 683) _rotation 0 variable_slider id center _enabled True label Center value -750 min -5000 max 5000 num_steps 200 style wx.SL_HORIZONTAL converver float_converter grid_pos 9,0,1,2 notebook _coordinate (9, 682) _rotation 0 variable id low _enabled True value center-width/2 _coordinate (431, 684) _rotation 0 variable_slider id width _enabled True label Width value 800 min 100 max 5000 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos 8,0,1,2 notebook _coordinate (148, 682) _rotation 0 variable_slider id af_gain _enabled True label AF value 1 min 0 max 2 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos 10,2,1,1 notebook _coordinate (9, 533) _rotation 0 variable_slider id offset_coarse _enabled True label Offset (coarse) value -100000 min -100000 max -50000 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,0,1,5 notebook _coordinate (12, 106) _rotation 0 gr_multiply_const_vxx id gr_multiply_const_vxx_1 _enabled True type float const af_gain vlen 1 _coordinate (644, 524) _rotation 0 gr_complex_to_real id gr_complex_to_real_0 _enabled True vlen 1 _coordinate (450, 527) _rotation 0 audio_sink id audio_sink_0 _enabled True samp_rate 44100 device_name ok_to_block True num_inputs 2 _coordinate (1100, 527) _rotation 0 variable_chooser id agc_decay _enabled True label AGC value 100e-6 choices [100e-6, 50e-6, 10e-6] labels ['Fast', 'Medium', 'Slow'] type drop_down style wx.RA_HORIZONTAL grid_pos 8,3,1,1 notebook _coordinate (516, 681) _rotation 0 gr_agc2_xx id gr_agc2_xx_0 _enabled True type complex attack_rate 0.1 decay_rate agc_decay reference 0.3 gain 1.0 max_gain 1.0 _coordinate (873, 314) _rotation 0 variable_slider id offset_fine _enabled True label Offset (fine) value 0 min -2000 max 2000 num_steps 400 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,0,1,5 notebook _coordinate (11, 244) _rotation 0 high_pass_filter id high_pass_filter_0 _enabled True type fir_filter_fff decim 1 interp 1 gain 1 samp_rate 44100 cutoff_freq 700 width 400 window WIN_HAMMING beta 6.76 _coordinate (886, 479) _rotation 0 low_pass_filter id low_pass_filter_0 _enabled True type fir_filter_fff decim 1 interp 1 gain 1 samp_rate 44100 cutoff_freq 800 width 400 window WIN_HAMMING beta 6.76 _coordinate (888, 642) _rotation 0 variable_slider id rf_gain _enabled True label RF value 10 min 0 max 50 num_steps 50 style wx.SL_HORIZONTAL converver float_converter grid_pos 9,2,1,1 notebook _coordinate (9, 387) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0 _enabled True type complex title RF Spectrum samp_rate samp_rate baseband_freq LO+freq y_per_div 10 y_divs 10 ref_level 50 fft_size 768 fft_rate 15 peak_hold False average True avg_alpha 0.5 grid_pos notebook nbook,0 _coordinate (390, 80) _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 (230, 501) _rotation 0 usrp2_source_xxxx id usrp2_source_xxxx_0 _enabled True type complex interface mac_addr decimation 256 frequency 7100000 lo_offset float('inf') gain 0 _coordinate (152, 262) _rotation 0 gr_freq_xlating_fir_filter_xxx id gr_freq_xlating_fir_filter_xxx_0 _enabled True type ccc decim 8 taps filter_taps center_freq -(offset_coarse+offset_fine) samp_rate samp_rate _coordinate (386, 321) _rotation 0 gr_freq_xlating_fir_filter_xxx_0 wxgui_fftsink2_0_0 0 0 gr_freq_xlating_fir_filter_xxx_0 band_pass_filter_0 0 0 band_pass_filter_0 gr_agc2_xx_0 0 0 gr_agc2_xx_0 blks2_rational_resampler_xxx_1 0 0 gr_multiply_const_vxx_1 low_pass_filter_0 0 0 gr_multiply_const_vxx_1 high_pass_filter_0 0 0 blks2_rational_resampler_xxx_1 gr_complex_to_real_0 0 0 gr_complex_to_real_0 gr_multiply_const_vxx_1 0 0 high_pass_filter_0 audio_sink_0 0 0 low_pass_filter_0 audio_sink_0 0 1 usrp2_source_xxxx_0 wxgui_fftsink2_0 0 0 usrp2_source_xxxx_0 gr_freq_xlating_fir_filter_xxx_0 0 0