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+<?xml version='1.0' ?>
+<!--Created by webtronics 0.1-->
+<svg xmlns="http://www.w3.org/2000/svg" width="454px" height="267.5px"><rect x="0" y="0" fill="white" width="454px" height="267.5px"/><text x="210" y="129.9998779296875" font-size="12" fill="black" stroke-width="0px" id="value-x1-5b95fe40e83ae2"><tspan dx="-15" dy="15">ua741</tspan><tspan dx="0" dy="0">x1</tspan></text><g class="op-amp" id="x" transform="matrix(1,1.2246468525851679e-16,1.2246468525851679e-16,-1,210,190)">
+<metadata class="part">
+<wtx:part xmlns:wtx="/home/niel/Desktop/webtronics">
+ <wtx:pins>
+ <wtx:analog>
+<!--
+all opamp models must be in this order
+* CONNECTIONS: NON-INVERTING INPUT
+* | INVERTING INPUT
+* | | POSITIVE POWER SUPPLY
+* | | | NEGATIVE POWER SUPPLY
+* | | | | OPEN COLLECTOR OUTPUT
+* | | | | |
+.SUBCKT LM339 1 2 3 4 5
+-->
+ <wtx:node y="10" x="0" index="1"/>
+ <wtx:node y="50" x="0" index="2"/>
+
+ <wtx:node y="30" x="60" index="3"/>
+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>x1</wtx:id>
+ <wtx:type>x</wtx:type>
+ <wtx:name>op-amp</wtx:name>
+ <wtx:category>subcircuits</wtx:category>
+ <wtx:value>ua741</wtx:value>
+ <wtx:spice/>
+ <wtx:label>value-x1-5b95fe40e83ae2</wtx:label>
+ <wtx:flip>true</wtx:flip>
+ <wtx:model>ua741.sub</wtx:model>
+</wtx:part>
+</metadata>
+
+
+
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+</g><text x="90" y="130" font-size="12" fill="black" stroke-width="0px" id="value-r1-66ad8fa27be07e"><tspan dx="-14" dy="15">10k</tspan><tspan dx="0" dy="0">r1</tspan></text><g stroke-width="2px" stroke="black" transform="matrix(1,0,0,1,90,130)">
+<metadata class="part">
+<wtx:part xmlns:wtx="/home/niel/Desktop/webtronics">
+ <wtx:pins>
+ <wtx:analog>
+ <wtx:node y="10" x="0" index="1"/>
+ <wtx:node y="10" x="40" index="2"/>
+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>r1</wtx:id>
+ <wtx:type>r</wtx:type>
+ <wtx:name>resistor</wtx:name>
+ <wtx:category>resistors</wtx:category>
+ <wtx:value>10k</wtx:value>
+ <wtx:label>value-r1-66ad8fa27be07e</wtx:label>
+ <wtx:spice/>
+ <wtx:flip/>
+ <wtx:model/>
+</wtx:part>
+</metadata>
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+ </wtx:pins>
+ <wtx:id>r2</wtx:id>
+ <wtx:type>r</wtx:type>
+ <wtx:name>resistor</wtx:name>
+ <wtx:category>resistors</wtx:category>
+ <wtx:value>1k</wtx:value>
+ <wtx:label>value-r2-7d31a345e48296</wtx:label>
+ <wtx:spice/>
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+<metadata class="part">
+<wtx:part xmlns:wtx="/home/niel/Desktop/webtronics">
+ <wtx:pins>
+ <wtx:analog>
+ <wtx:node y="10" x="0" index="1"/>
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+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>r3</wtx:id>
+ <wtx:type>r</wtx:type>
+ <wtx:name>resistor</wtx:name>
+ <wtx:category>resistors</wtx:category>
+ <wtx:value>100k</wtx:value>
+ <wtx:label>value-r3-f290a411c49f02</wtx:label>
+ <wtx:spice/>
+ <wtx:flip/>
+ <wtx:model/>
+</wtx:part>
+</metadata>
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+ </g><text x="360" y="150" font-size="12" fill="black" stroke-width="0px" id="value-r4-bcdc1d0004fcf4"><tspan dx="-14" dy="15">1k</tspan><tspan dx="0" dy="0">r4</tspan></text><g stroke-width="2px" stroke="black" transform="matrix(1,0,0,1,360,150)">
+<metadata class="part">
+<wtx:part xmlns:wtx="/home/niel/Desktop/webtronics">
+ <wtx:pins>
+ <wtx:analog>
+ <wtx:node y="10" x="0" index="1"/>
+ <wtx:node y="10" x="40" index="2"/>
+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>r4</wtx:id>
+ <wtx:type>r</wtx:type>
+ <wtx:name>resistor</wtx:name>
+ <wtx:category>resistors</wtx:category>
+ <wtx:value>1k</wtx:value>
+ <wtx:label>value-r4-bcdc1d0004fcf4</wtx:label>
+ <wtx:spice/>
+ <wtx:flip/>
+ <wtx:model/>
+</wtx:part>
+</metadata>
+
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+
+ </g><text x="220" y="60" font-size="12" fill="black" stroke-width="0px" id="value-c1-0a6d7df6b00dff"><tspan dx="-15" dy="15">100n</tspan><tspan dx="0" dy="0">c1</tspan></text><g class="capacitor" id="C" stroke-width="2px" stroke="black" connects="0,10;30,10" transform="matrix(1,0,0,1,220,60)">
+<metadata class="part">
+<wtx:part xmlns:wtx="/home/niel/Desktop/webtronics">
+ <wtx:pins>
+ <wtx:analog>
+ <wtx:node y="10" x="0" index="1"/>
+ <wtx:node y="10" x="30" index="2"/>
+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>c1</wtx:id>
+ <wtx:type>c</wtx:type>
+ <wtx:name>capacitor</wtx:name>
+ <wtx:category>capacitors</wtx:category>
+ <wtx:value>100n</wtx:value>
+ <wtx:label>value-c1-0a6d7df6b00dff</wtx:label>
+ <wtx:spice/>
+ <wtx:flip/>
+ <wtx:model/>
+</wtx:part>
+</metadata>
+ <path id="path3412" d="M 10,0 10,20"/>
+ <path id="path3414" d="m 20,0 0,20"/>
+ <path id="path3420" d="m 20,10 10,0"/>
+ <path id="path3422" d="M 10,10 0,10"/>
+ </g><text x="10" y="149.9998779296875" font-size="12" fill="black" stroke-width="0px" id="value-v1-eb74a0e6bf2a79"><tspan dx="0" dy="0">v1</tspan></text><g class="pwl" id="Pwl" transform="matrix(-1.8369702788777518e-16,-1,1,-1.8369702788777518e-16,20,200)">
+
+
+<!--
+ pwlval1=first time part T1
+ pwlval2=first voltage part V1
+ pwlval3=T2
+ pwlval4=V2
+ pwlval5=T3
+ pwlval6=V3
+ pwlval7=T4
+ pwlval8=V4
+ -->
+
+
+<metadata class="part">
+<wtx:part xmlns:wtx="http://code.google.com/p/webtronics">
+ <wtx:pins>
+ <wtx:analog>
+ <wtx:node y="20" x="0" index="1"/>
+ <wtx:node y="20" x="60" index="2"/>
+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>v1</wtx:id>
+ <wtx:type>v</wtx:type>
+ <wtx:name>pwl</wtx:name>
+ <wtx:category>sources</wtx:category>
+ <wtx:value/>
+
+ <wtx:pwlval1>0m</wtx:pwlval1>
+ <wtx:pwlval2>0</wtx:pwlval2>
+ <wtx:pwlval3>0.5m</wtx:pwlval3>
+ <wtx:pwlval4>5</wtx:pwlval4>
+ <wtx:pwlval5>25m</wtx:pwlval5>
+ <wtx:pwlval6>5</wtx:pwlval6>
+ <wtx:pwlval7>25.5m</wtx:pwlval7>
+
+ <wtx:pwlval8>0</wtx:pwlval8>
+
+
+ <wtx:label>value-v1-eb74a0e6bf2a79</wtx:label>
+ <wtx:spice/>
+ <wtx:flip/>
+ <wtx:model/>
+</wtx:part>
+</metadata>
+
+
+
+
+
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+ <wtx:pins>
+ <wtx:analog>
+ <wtx:node y="0" x="10" index="1"/>
+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>gnd</wtx:id>
+ <wtx:type>gnd</wtx:type>
+ <wtx:name>ground</wtx:name>
+ <wtx:category>sources</wtx:category>
+ <wtx:flip/>
+ <wtx:value/>
+ <wtx:label>value-gnd-10b2bb49c4437f</wtx:label>
+ <wtx:spice/>
+ <wtx:model/>
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+<wtx:part xmlns:wtx="/home/niel/Desktop/webtronics">
+ <wtx:pins>
+ <wtx:analog>
+ <wtx:node y="0" x="10" index="1"/>
+ </wtx:analog>
+ </wtx:pins>
+ <wtx:id>gnd</wtx:id>
+ <wtx:type>gnd</wtx:type>
+ <wtx:name>ground</wtx:name>
+ <wtx:category>sources</wtx:category>
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+ <wtx:label>value-gnd-a5a3fce73ca1ba</wtx:label>
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