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Description: LimeSDR TX Sandbox
Submitted on November 8, 2019 at 11:24 AM

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<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.13'?>
<flow_graph>
  <timestamp>Thu Oct 31 12:19:13 2019</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value>Amr Bekhit</value>
    </param>
    <param>
      <key>window_size</key>
      <value></value>
    </param>
    <param>
      <key>category</key>
      <value>[GRC Hier Blocks]</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 8)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>qt_gui</value>
    </param>
    <param>
      <key>hier_block_src_path</key>
      <value>.:</value>
    </param>
    <param>
      <key>id</key>
      <value>sandbox</value>
    </param>
    <param>
      <key>max_nouts</key>
      <value>0</value>
    </param>
    <param>
      <key>qt_qss_theme</key>
      <value></value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>run_command</key>
      <value>{python} -u {filename}</value>
    </param>
    <param>
      <key>run_options</key>
      <value>run</value>
    </param>
    <param>
      <key>run</key>
      <value>True</value>
    </param>
    <param>
      <key>sizing_mode</key>
      <value>fixed</value>
    </param>
    <param>
      <key>thread_safe_setters</key>
      <value></value>
    </param>
    <param>
      <key>title</key>
      <value>LimeSDR Sandbox</value>
    </param>
    <param>
      <key>placement</key>
      <value>(0,0)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>10e6</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(144, 212)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>centre_freq</value>
    </param>
    <param>
      <key>label</key>
      <value>Centre Frequency</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>1e6</value>
    </param>
    <param>
      <key>step</key>
      <value>1e6</value>
    </param>
    <param>
      <key>stop</key>
      <value>50e6</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(288, 84)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>nco</value>
    </param>
    <param>
      <key>label</key>
      <value>NCO</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>-30e6</value>
    </param>
    <param>
      <key>step</key>
      <value>samp_rate/100</value>
    </param>
    <param>
      <key>stop</key>
      <value>30e6</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(368, 372)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>offset</value>
    </param>
    <param>
      <key>label</key>
      <value>Frequency Offset</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>-samp_rate/2</value>
    </param>
    <param>
      <key>step</key>
      <value>samp_rate/1000</value>
    </param>
    <param>
      <key>stop</key>
      <value>samp_rate/2</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 160)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>2e6</value>
    </param>
  </block>
  <block>
    <key>analog_sig_source_x</key>
    <param>
      <key>amp</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>freq</key>
      <value>offset</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(376, 236)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_sig_source_x_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>offset</key>
      <value>0</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>analog.GR_COS_WAVE</value>
    </param>
  </block>
  <block>
    <key>limesdr_sink</key>
    <param>
      <key>allow_tcxo_dac</key>
      <value>0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>analog_bandw_ch0</key>
      <value>5e6</value>
    </param>
    <param>
      <key>calibr_bandw_ch0</key>
      <value>max(2.5e6, samp_rate)</value>
    </param>
    <param>
      <key>digital_bandw_ch0</key>
      <value>0</value>
    </param>
    <param>
      <key>gain_dB_ch0</key>
      <value>60</value>
    </param>
    <param>
      <key>nco_freq_ch0</key>
      <value>nco</value>
    </param>
    <param>
      <key>pa_path_ch0</key>
      <value>1</value>
    </param>
    <param>
      <key>analog_bandw_ch1</key>
      <value>5e6</value>
    </param>
    <param>
      <key>calibr_bandw_ch1</key>
      <value>max(2.5e6, samp_rate)</value>
    </param>
    <param>
      <key>digital_bandw_ch1</key>
      <value>0</value>
    </param>
    <param>
      <key>gain_dB_ch1</key>
      <value>60</value>
    </param>
    <param>
      <key>nco_freq_ch1</key>
      <value>nco</value>
    </param>
    <param>
      <key>pa_path_ch1</key>
      <value>1</value>
    </param>
    <param>
      <key>channel_mode</key>
      <value>1</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>serial</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>filename</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(624, 236)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>limesdr_sink_0</value>
    </param>
    <param>
      <key>length_tag_name</key>
      <value></value>
    </param>
    <param>
      <key>oversample</key>
      <value>0</value>
    </param>
    <param>
      <key>rf_freq</key>
      <value>centre_freq</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>dacVal</key>
      <value>125</value>
    </param>
  </block>
  <connection>
    <source_block_id>analog_sig_source_x_0</source_block_id>
    <sink_block_id>limesdr_sink_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
</flow_graph>