Sun Nov 14 03:10:55 2010 options id lsb_tx_bpf _enabled True title LSB TX author Alexandru Csete OZ9AEC description LSB transmitter using complex band pass filter. window_size 1280, 1024 generate_options wx_gui category Custom run True realtime_scheduling _coordinate (8, 8) _rotation 0 variable id samp_rate _enabled True value 50000 _coordinate (9, 108) _rotation 0 variable_text_box id usrp_freq _enabled True label USRP value 432150000 converver float_converter formatter None grid_pos 4,1,1,1 notebook _coordinate (197, 8) _rotation 0 variable_static_text id tx_freq _enabled True label TX value usrp_freq+offset converver float_converter formatter None grid_pos 4,3,1,1 notebook _coordinate (347, 8) _rotation 0 variable_slider id audio_gain _enabled True label Audio gain value 0.5 min 0 max 2 num_steps 200 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,1,1,1 notebook _coordinate (553, 9) _rotation 0 variable_slider id carrier_level _enabled True label Carrier level value 1 min 0 max 10 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,1,1,1 notebook _coordinate (702, 9) _rotation 0 gr_multiply_xx id gr_multiply_xx_1 _enabled True type complex num_inputs 2 vlen 1 _coordinate (327, 560) _rotation 0 variable id low _enabled True value high-filter_width _coordinate (176, 920) _rotation 0 variable id high _enabled True value -300 _coordinate (177, 842) _rotation 0 gr_sig_source_x id gr_sig_source_x_1 _enabled True type complex samp_rate samp_rate waveform gr.GR_COS_WAVE freq offset amp 1 offset 0 _coordinate (95, 679) _rotation 0 variable_slider id rf_gain _enabled True label USRP gain value 0 min 0 max 20 num_steps 200 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,3,1,1 notebook _coordinate (822, 848) _rotation 0 variable_slider id signal _enabled True label Signal level value 1000 min 0 max 10000 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,3,1,1 notebook _coordinate (666, 848) _rotation 0 variable_static_text id mod_index _enabled True label Mod. index value audio_gain/carrier_level converver float_converter formatter None grid_pos 7,0,1,1 notebook _coordinate (850, 11) _rotation 0 gr_sig_source_x id carrier _enabled True type complex samp_rate samp_rate waveform gr.GR_SIN_WAVE freq 0 amp carrier_level offset 0 _coordinate (638, 194) _rotation 0 gr_multiply_xx id gr_multiply_xx_0 _enabled True type complex num_inputs 2 vlen 1 _coordinate (841, 312) _rotation 0 gr_float_to_complex id gr_float_to_complex_0 _enabled True vlen 1 _coordinate (641, 329) _rotation 0 const_source_x id const_source_x_0 _enabled True type float const 0 _coordinate (428, 259) _rotation 0 blks2_rational_resampler_xxx id audio_resampler _enabled True type fff decim 24 interp 25 taps [] fractional_bw 0 _coordinate (414, 335) _rotation 0 variable_slider id filter_width _enabled True label Filter width value 2700 min 1000 max 5000 num_steps 400 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,0,1,1 notebook _coordinate (25, 840) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0 _enabled True type complex title Modulator output samp_rate samp_rate baseband_freq 0 y_per_div 10 y_divs 10 ref_level 0 fft_size 512 fft_rate 15 peak_hold False average True avg_alpha 0.5 grid_pos 0,0,4,4 notebook _coordinate (1002, 237) _rotation 0 variable_slider id offset _enabled True label Offset value 10000 min -25000 max 25000 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos 5,0,1,4 notebook _coordinate (445, 847) _rotation 0 gr_multiply_const_vxx id audio_amplifier _enabled True type float const audio_gain vlen 1 _coordinate (215, 359) _rotation 0 audio_source id microphone _enabled True samp_rate 48000 device_name ok_to_block True num_outputs 1 _coordinate (11, 359) _rotation 0 band_pass_filter id band_pass_filter_0 _enabled True type interp_fir_filter_ccc decim 1 interp 1 gain 1 samp_rate samp_rate low_cutoff_freq low high_cutoff_freq high width 100 window WIN_HAMMING beta 6.76 _coordinate (78, 500) _rotation 0 blks2_rational_resampler_xxx id blks2_rational_resampler_xxx_1 _enabled True type ccc decim 1 interp 4 taps [] fractional_bw 0 _coordinate (494, 549) _rotation 0 gr_multiply_const_vxx id gr_multiply_const_vxx_0 _enabled True type complex const signal vlen 1 _coordinate (707, 573) _rotation 0 usrp2_sink_xxxx id usrp2_sink_xxxx_0 _enabled True type complex interface mac_addr interpolation 500 frequency 432150000 lo_offset float('inf') gain 0 _coordinate (990, 511) _rotation 0 gr_sig_source_x_1 gr_multiply_xx_1 0 1 band_pass_filter_0 gr_multiply_xx_1 0 0 blks2_rational_resampler_xxx_1 gr_multiply_const_vxx_0 0 0 gr_multiply_xx_1 blks2_rational_resampler_xxx_1 0 0 gr_multiply_xx_0 band_pass_filter_0 0 0 audio_resampler gr_float_to_complex_0 0 1 const_source_x_0 gr_float_to_complex_0 0 0 gr_float_to_complex_0 gr_multiply_xx_0 0 1 carrier gr_multiply_xx_0 0 0 gr_multiply_xx_0 wxgui_fftsink2_0 0 0 audio_amplifier audio_resampler 0 0 microphone audio_amplifier 0 0 gr_multiply_const_vxx_0 usrp2_sink_xxxx_0 0 0