Thu Jul 24 14:27:46 2008 options id top_block _enabled True title USRP Loopback - 2 Tone author Example description Loopback test with basic rx and basic tx window_size 1280, 1024 generate_options wx_gui category Custom _coordinate (10, 10) _rotation 0 usrp_simple_source_x id usrp_simple_source_x _enabled True type complex number 0 subdev_spec None frequency tun_freq decimation 200 gain 20 mux 0x0 auto_tr None rx_ant None _coordinate (578, 319) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2 _enabled True type complex title FFT Plot samp_rate samp_rate baseband_freq 0 y_per_div 10 y_divs 8 ref_level 100 fft_size 512*2 fft_rate 15 avg_alpha 0 average False peak_hold False grid_pos 1, 2, 2, 4 _coordinate (845, 228) _rotation 0 variable_slider id tone2 _enabled True label Tone 2 value 75e3 min 0 max 150000 num_steps 100 slider_type horizontal grid_pos 0, 4, 1, 2 _coordinate (397, 478) _rotation 0 variable_slider id tone1 _enabled True label Tone 1 value 50e3 min 0 max 150000 num_steps 100 slider_type horizontal grid_pos 0, 2, 1, 2 _coordinate (220, 475) _rotation 0 variable_slider id noise_ampl _enabled True label Noise Ampl value 2000 min 0 max 5000 num_steps 100 slider_type vertical grid_pos 1, 1, 2, 1 _coordinate (20, 243) _rotation 0 variable_slider id tone_ampl _enabled True label Tone Ampl value 5000 min 0 max 5000 num_steps 100 slider_type vertical grid_pos 1, 0, 2, 1 _coordinate (21, 422) _rotation 0 usrp_simple_sink_x id usrp_simple_sink_x _enabled True type complex number 0 subdev_spec None frequency tun_freq interpolation 400 gain 0 mux 0x0 auto_tr None tx_enb None _coordinate (835, 5) _rotation 0 gr_float_to_complex id gr_float_to_complex _enabled True _coordinate (634, 226) _rotation 0 gr_add_vxx id gr_add_vxx _enabled True type float num_inputs 3 vlen 1 _coordinate (528, 78) _rotation 0 gr_sig_source_x id gr_sig_source_x _enabled True type float samp_rate samp_rate waveform gr.GR_COS_WAVE freq tone1 amp tone_ampl offset 0 _coordinate (258, 20) _rotation 0 gr_sig_source_x id gr_sig_source_x0 _enabled True type float samp_rate samp_rate waveform gr.GR_COS_WAVE freq tone2 amp tone_ampl offset 0 _coordinate (255, 179) _rotation 0 gr_noise_source_x id gr_noise_source_x _enabled True type float noise_type gr.GR_GAUSSIAN amp noise_ampl seed 42 _coordinate (257, 337) _rotation 0 variable id samp_rate _enabled True value 64e6/200 _coordinate (9, 166) _rotation 0 variable id tun_freq _enabled True value int(100e6) _coordinate (116, 166) _rotation 0 gr_sig_source_x gr_add_vxx 0 0 gr_sig_source_x0 gr_add_vxx 0 1 gr_noise_source_x gr_add_vxx 0 2 usrp_simple_source_x wxgui_fftsink2 0 0 gr_float_to_complex usrp_simple_sink_x 0 0 gr_add_vxx gr_float_to_complex 0 0 gr_add_vxx gr_float_to_complex 0 1