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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ## FLL using Band-Edge Filters
   5 ###################################################
   6  -->
   7 <block>
   8         <name>FLL Band-Edge</name>
   9         <key>gr_fll_band_edge_cc</key>
  10         <import>from gnuradio import gr</import>
  11         <make>gr.fll_band_edge_cc($samps_per_sym, $rolloff, $filter_size, $alpha, $beta)</make>
  12         <callback>set_alpha($alpha)</callback>
  13         <callback>set_beta($beta)</callback>
  14
  15         <param>
  16                 <name>Type</name>
  17                 <key>type</key>
  18                 <type>enum</type>
  19                 <option>
  20                         <name>Complex->Complex</name>
  21                         <key>cc</key>
  22                         <opt>input:complex</opt>
  23                         <opt>output:complex</opt>
  24                 </option>
  25         </param>
  26
  27         <param>
  28                 <name>Samples Per Symbol</name>
  29                 <key>samps_per_sym</key>
  30                 <type>real</type>
  31         </param>
  32         <param>
  33                 <name>Filter Rolloff Factor</name>
  34                 <key>rolloff</key>
  35                 <type>real</type>
  36         </param>
  37         <param>
  38                 <name>Prototype Filter Size</name>
  39                 <key>filter_size</key>
  40                 <type>int</type>
  41         </param>
  42
  43         <param>
  44                 <name>Alpha</name>
  45                 <key>alpha</key>
  46                 <type>real</type>
  47         </param>
  48         <param>
  49                 <name>Beta</name>
  50                 <key>beta</key>
  51                 <type>real</type>
  52         </param>
  53         <sink>
  54                 <name>in</name>
  55                 <type>$type.input</type>
  56         </sink>
  57         <source>
  58                 <name>out</name>
  59                 <type>$type.output</type>
  60         </source>
  61         <source>
  62                 <name>freq</name>
  63                 <type>float</type>
  64                 <optional>1</optional>
  65         </source>
  66         <source>
  67                 <name>phase</name>
  68                 <type>float</type>
  69                 <optional>1</optional>
  70         </source>
  71         <source>
  72                 <name>error</name>
  73                 <type>float</type>
  74                 <optional>1</optional>
  75         </source>
  76 </block>