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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ## Polyphase Filter based Clock Sync
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Polyphase Clock Sync</name>
   9         <key>gr_pfb_clock_sync_ccf</key>
  10         <import>from gnuradio import gr</import>
  11         <make>gr.pfb_clock_sync_ccf($sps, $alpha, $taps, $filter_size, $init_phase, $max_dev)
  12 self.$(id).set_beta($beta)</make>
  13         <callback>set_taps($taps)</callback>
  14         <callback>set_alpha($alpha)</callback>
  15         <callback>set_beta($beta)</callback>
  16
  17         <param>
  18                 <name>Samples/Symbol</name>
  19                 <key>sps</key>
  20                 <type>real</type>
  21         </param>
  22         <param>
  23                 <name>Alpha</name>
  24                 <key>alpha</key>
  25                 <type>real</type>
  26         </param>
  27         <param>
  28                 <name>Beta</name>
  29                 <key>beta</key>
  30                 <type>real</type>
  31         </param>
  32         <param>
  33                 <name>Taps</name>
  34                 <key>taps</key>
  35                 <type>real_vector</type>
  36         </param>
  37         <param>
  38                 <name>Filter Size</name>
  39                 <key>filter_size</key>
  40                 <type>int</type>
  41         </param>
  42         <param>
  43                 <name>Initial Phase</name>
  44                 <key>init_phase</key>
  45                 <type>real</type>
  46         </param>
  47         <param>
  48                 <name>Maximum Rate Deviation</name>
  49                 <key>max_dev</key>
  50                 <type>real</type>
  51         </param>
  52         <sink>
  53                 <name>in</name>
  54                 <type>complex</type>
  55         </sink>
  56         <source>
  57                 <name>out</name>
  58                 <type>complex</type>
  59         </source>
  60         <source>
  61                 <name>err</name>
  62                 <type>float</type>
  63                 <optional>1</optional>
  64         </source>
  65         <source>
  66                 <name>rate</name>
  67                 <type>float</type>
  68                 <optional>1</optional>
  69         </source>
  70         <source>
  71                 <name>phase</name>
  72                 <type>float</type>
  73                 <optional>1</optional>
  74         </source>
  75 </block>