<?xml version="1.0"?> <!-- ################################################### ##VCO ################################################### --> <block> <name>VCO</name> <key>gr_vco_f</key> <import>from gnuradio import gr</import> <make>gr.vco_f($samp_rate, $sensitivity, $amplitude)</make> <param> <name>Sample Rate</name> <key>samp_rate</key> <type>real</type> </param> <param> <name>Sensitivity</name> <key>sensitivity</key> <type>real</type> </param> <param> <name>Amplitude</name> <key>amplitude</key> <type>real</type> </param> <sink> <name>in</name> <type>float</type> </sink> <source> <name>out</name> <type>float</type> </source> </block>