/
lsb_tx_bpf.grc
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lsb_tx_bpf.grc
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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Sun Aug 15 14:54:37 2010</timestamp>
<block>
<key>options</key>
<param>
<key>id</key>
<value>lsb_tx_bpf</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>title</key>
<value>LSB TX</value>
</param>
<param>
<key>author</key>
<value>Alexandru Csete OZ9AEC</value>
</param>
<param>
<key>description</key>
<value>LSB transmitter using complex band pass filter.</value>
</param>
<param>
<key>window_size</key>
<value>1280, 1024</value>
</param>
<param>
<key>generate_options</key>
<value>wx_gui</value>
</param>
<param>
<key>category</key>
<value>Custom</value>
</param>
<param>
<key>run_options</key>
<value>prompt</value>
</param>
<param>
<key>run</key>
<value>True</value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(8, 8)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>50000</value>
</param>
<param>
<key>_coordinate</key>
<value>(9, 108)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_text_box</key>
<param>
<key>id</key>
<value>usrp_freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>USRP</value>
</param>
<param>
<key>value</key>
<value>432150000</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>grid_pos</key>
<value>4,1,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(197, 8)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_static_text</key>
<param>
<key>id</key>
<value>tx_freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>TX</value>
</param>
<param>
<key>value</key>
<value>usrp_freq+offset</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>grid_pos</key>
<value>4,3,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(347, 8)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>audio_gain</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Audio gain</value>
</param>
<param>
<key>value</key>
<value>0.5</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>2</value>
</param>
<param>
<key>num_steps</key>
<value>200</value>
</param>
<param>
<key>style</key>
<value>wx.SL_HORIZONTAL</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>grid_pos</key>
<value>6,1,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(553, 9)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>carrier_level</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Carrier level</value>
</param>
<param>
<key>value</key>
<value>1</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>10</value>
</param>
<param>
<key>num_steps</key>
<value>100</value>
</param>
<param>
<key>style</key>
<value>wx.SL_HORIZONTAL</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>grid_pos</key>
<value>7,1,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(702, 9)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>band_pass_filter</key>
<param>
<key>id</key>
<value>band_pass_filter_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>interp_fir_filter_ccc</value>
</param>
<param>
<key>decim</key>
<value>1</value>
</param>
<param>
<key>interp</key>
<value>1</value>
</param>
<param>
<key>gain</key>
<value>1</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>low_cutoff_freq</key>
<value>low</value>
</param>
<param>
<key>high_cutoff_freq</key>
<value>high</value>
</param>
<param>
<key>width</key>
<value>100</value>
</param>
<param>
<key>win</key>
<value>firdes.WIN_HAMMING</value>
</param>
<param>
<key>beta</key>
<value>6.76</value>
</param>
<param>
<key>_coordinate</key>
<value>(78, 500)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_multiply_const_vxx</key>
<param>
<key>id</key>
<value>gr_multiply_const_vxx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>const</key>
<value>signal</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(707, 573)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>usrp_simple_sink_x</key>
<param>
<key>id</key>
<value>usrp_sink</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>which</key>
<value>0</value>
</param>
<param>
<key>interpolation</key>
<value>512</value>
</param>
<param>
<key>frequency</key>
<value>usrp_freq</value>
</param>
<param>
<key>lo_offset</key>
<value>float('inf')</value>
</param>
<param>
<key>gain</key>
<value>rf_gain</value>
</param>
<param>
<key>side</key>
<value>A</value>
</param>
<param>
<key>transmit</key>
<value>auto_tr</value>
</param>
<param>
<key>_coordinate</key>
<value>(905, 533)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_multiply_xx</key>
<param>
<key>id</key>
<value>gr_multiply_xx_1</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>num_inputs</key>
<value>2</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(327, 560)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blks2_rational_resampler_xxx</key>
<param>
<key>id</key>
<value>blks2_rational_resampler_xxx_1</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>ccc</value>
</param>
<param>
<key>decim</key>
<value>1</value>
</param>
<param>
<key>interp</key>
<value>5</value>
</param>
<param>
<key>taps</key>
<value>[]</value>
</param>
<param>
<key>fractional_bw</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(494, 549)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>low</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>high-filter_width</value>
</param>
<param>
<key>_coordinate</key>
<value>(176, 920)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>high</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>-300</value>
</param>
<param>
<key>_coordinate</key>
<value>(177, 842)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_sig_source_x</key>
<param>
<key>id</key>
<value>gr_sig_source_x_1</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>waveform</key>
<value>gr.GR_COS_WAVE</value>
</param>
<param>
<key>freq</key>
<value>offset</value>
</param>
<param>
<key>amp</key>
<value>1</value>
</param>
<param>
<key>offset</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(95, 679)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>rf_gain</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>USRP gain</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>20</value>
</param>
<param>
<key>num_steps</key>
<value>200</value>
</param>
<param>
<key>style</key>
<value>wx.SL_HORIZONTAL</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>grid_pos</key>
<value>7,3,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(822, 848)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>signal</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Signal level</value>
</param>
<param>
<key>value</key>
<value>1000</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>10000</value>
</param>
<param>
<key>num_steps</key>
<value>1000</value>
</param>
<param>
<key>style</key>
<value>wx.SL_HORIZONTAL</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>grid_pos</key>
<value>6,3,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(666, 848)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_static_text</key>
<param>
<key>id</key>
<value>mod_index</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Mod. index</value>
</param>
<param>
<key>value</key>
<value>audio_gain/carrier_level</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>grid_pos</key>
<value>7,0,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(850, 11)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_sig_source_x</key>
<param>
<key>id</key>
<value>carrier</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>waveform</key>
<value>gr.GR_SIN_WAVE</value>
</param>
<param>
<key>freq</key>
<value>0</value>
</param>
<param>
<key>amp</key>
<value>carrier_level</value>
</param>
<param>
<key>offset</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(638, 194)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_multiply_xx</key>
<param>
<key>id</key>
<value>gr_multiply_xx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>num_inputs</key>
<value>2</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(841, 312)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_float_to_complex</key>
<param>
<key>id</key>
<value>gr_float_to_complex_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(641, 329)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>const_source_x</key>
<param>
<key>id</key>
<value>const_source_x_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>const</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(428, 259)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blks2_rational_resampler_xxx</key>
<param>
<key>id</key>
<value>audio_resampler</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>fff</value>
</param>
<param>
<key>decim</key>
<value>24</value>
</param>
<param>
<key>interp</key>
<value>25</value>
</param>
<param>
<key>taps</key>
<value>[]</value>
</param>
<param>
<key>fractional_bw</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(414, 335)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>filter_width</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Filter width</value>
</param>
<param>
<key>value</key>
<value>2700</value>
</param>
<param>
<key>min</key>
<value>1000</value>
</param>
<param>
<key>max</key>
<value>5000</value>
</param>
<param>
<key>num_steps</key>
<value>400</value>
</param>
<param>
<key>style</key>
<value>wx.SL_HORIZONTAL</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>grid_pos</key>
<value>6,0,1,1</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(25, 840)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_fftsink2</key>
<param>
<key>id</key>
<value>wxgui_fftsink2_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>title</key>
<value>Modulator output</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>baseband_freq</key>
<value>0</value>
</param>
<param>
<key>y_per_div</key>
<value>10</value>
</param>
<param>
<key>y_divs</key>
<value>10</value>
</param>
<param>
<key>ref_level</key>
<value>0</value>
</param>
<param>
<key>ref_scale</key>
<value>2.0</value>
</param>
<param>
<key>fft_size</key>
<value>512</value>
</param>
<param>
<key>fft_rate</key>
<value>15</value>
</param>
<param>
<key>peak_hold</key>