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<?xml version="1.0"?>
<!--
###################################################
##Signal Source
###################################################
-->
<block>
<name>Signal Source</name>
<key>gr_sig_source_x</key>
<import>from gnuradio import gr</import>
<make>gr.sig_source_$(type.fcn)($samp_rate, $waveform, $freq, $amp, $offset)</make>
<callback>set_sampling_freq($samp_rate)</callback>
<callback>set_waveform($waveform)</callback>
<callback>set_frequency($freq)</callback>
<callback>set_amplitude($amp)</callback>
<callback>set_offset($offset)</callback>
<param>
<name>Output Type</name>
<key>type</key>
<type>enum</type>
<option>
<name>Complex</name>
<key>complex</key>
<opt>fcn:c</opt>
<opt>offset_type:complex</opt>
</option>
<option>
<name>Float</name>
<key>float</key>
<opt>fcn:f</opt>
<opt>offset_type:real</opt>
</option>
<option>
<name>Int</name>
<key>int</key>
<opt>fcn:i</opt>
<opt>offset_type:int</opt>
</option>
<option>
<name>Short</name>
<key>short</key>
<opt>fcn:s</opt>
<opt>offset_type:int</opt>
</option>
</param>
<param>
<name>Sample Rate</name>
<key>samp_rate</key>
<value>samp_rate</value>
<type>real</type>
</param>
<param>
<name>Waveform</name>
<key>waveform</key>
<value>gr.GR_COS_WAVE</value>
<type>raw</type>
<option>
<name>Constant</name>
<key>gr.GR_CONST_WAVE</key>
</option>
<option>
<name>Sine</name>
<key>gr.GR_SIN_WAVE</key>
</option>
<option>
<name>Cosine</name>
<key>gr.GR_COS_WAVE</key>
</option>
<option>
<name>Square</name>
<key>gr.GR_SQR_WAVE</key>
</option>
<option>
<name>Triangle</name>
<key>gr.GR_TRI_WAVE</key>
</option>
<option>
<name>Saw Tooth</name>
<key>gr.GR_SAW_WAVE</key>
</option>
</param>
<param>
<name>Frequency</name>
<key>freq</key>
<value>1000</value>
<type>real</type>
</param>
<param>
<name>Amplitude</name>
<key>amp</key>
<value>1</value>
<type>real</type>
</param>
<param>
<name>Offset</name>
<key>offset</key>
<value>0</value>
<type>$type.offset_type</type>
</param>
<source>
<name>out</name>
<type>$type</type>
</source>
</block>
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