<circuit type="simulide_1.0" rev="1007" stepSize="1000" stepsPS="1000000000" NLsteps="100000" animate="0" >

<item itemtype="opAmp" CircId="opAmp-1" mainComp="false" Show_id="false" Show_Val="false" Pos="708,612" rotation="0" hflip="1" vflip="1" label="opAmp-1" idLabPos="-16,-32" labelrot="0" valLabPos="-16,20" valLabRot="0" Gain="10000" Out_Imped="1e-14 Ω" Volt_Pos="5 V" Volt_Neg="0 V" Power_Pins="true" Switch_Pins="false" />

<item itemtype="Tunnel" CircId="Tunnel-4" mainComp="false" Show_id="false" Show_Val="false" Pos="652,604" rotation="0" hflip="1" vflip="1" label="Tunnel-4" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" Name="R" Rotated="false" />

<item itemtype="Tunnel" CircId="Tunnel-9" mainComp="false" Show_id="false" Show_Val="false" Pos="652,556" rotation="0" hflip="1" vflip="1" label="Tunnel-9" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" Name="K" Rotated="false" />

<item itemtype="Tunnel" CircId="Tunnel-11" mainComp="false" Show_id="false" Show_Val="false" Pos="652,668" rotation="0" hflip="1" vflip="1" label="Tunnel-11" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" Name="A" Rotated="false" />

<item itemtype="Resistor" CircId="Resistor-29" mainComp="false" ShowProp="Resistance" Show_id="false" Show_Val="true" Pos="556,556" rotation="0" hflip="1" vflip="1" label="Resistor-29" idLabPos="-16,-24" labelrot="0" valLabPos="-16,6" valLabRot="0" Resistance="680 Ω" />

<item itemtype="Rail" CircId="Rail-33" mainComp="false" ShowProp="Voltage" Show_id="false" Show_Val="true" Pos="504,556" rotation="0" hflip="1" vflip="1" label="Rail-33" idLabPos="-16,-24" labelrot="0" valLabPos="-16,8" valLabRot="0" Voltage="5 V" />

<item itemtype="Probe" CircId="Probe-47" mainComp="false" Show_id="false" Show_Val="true" Pos="600,540" rotation="-45" hflip="1" vflip="1" label="Probe-47" idLabPos="16,-16" labelrot="45" valLabPos="16,0" valLabRot="45" ShowVolt="true" Threshold="2.5 V" />

<item itemtype="Ground" CircId="Ground-52" mainComp="false" Show_id="false" Show_Val="false" Pos="580,692" rotation="0" hflip="1" vflip="1" label="Ground-52" idLabPos="-16,8" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Battery" CircId="Battery-158" mainComp="false" ShowProp="Voltage" Show_id="false" Show_Val="true" Pos="668,644" rotation="90" hflip="1" vflip="1" label="Battery-158" idLabPos="-18,-22" labelrot="0" valLabPos="-8,32" valLabRot="-90" Voltage="2.5 V" />

<item itemtype="Tunnel" CircId="Tunnel-195" mainComp="false" Show_id="false" Show_Val="false" Pos="604,556" rotation="0" hflip="1" vflip="1" label="Tunnel-9" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" Name="K" Rotated="true" />

<item itemtype="Tunnel" CircId="Tunnel-197" mainComp="false" Show_id="false" Show_Val="false" Pos="604,668" rotation="0" hflip="1" vflip="1" label="Tunnel-11" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" Name="A" Rotated="true" />

<item itemtype="Tunnel" CircId="Tunnel-199" mainComp="false" Show_id="false" Show_Val="false" Pos="604,604" rotation="0" hflip="1" vflip="1" label="Tunnel-4" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" Name="R" Rotated="true" />

<item itemtype="BJT" CircId="BJT-295" mainComp="false" Show_id="false" Show_Val="false" Pos="812,612" rotation="0" hflip="1" vflip="1" label="BJT-295" idLabPos="18,0" labelrot="0" valLabPos="-16,20" valLabRot="0" PNP="false" Gain="100" />

<item itemtype="Capacitor" CircId="Capacitor-393" mainComp="false" ShowProp="Capacitance" Show_id="false" Show_Val="true" Pos="780,640" rotation="90" hflip="1" vflip="1" label="Capacitor-488" idLabPos="-16,-24" labelrot="0" valLabPos="-14,-22" valLabRot="0" Capacitance="10 nF" />

<item itemtype="Resistor" CircId="Resistor-450" mainComp="false" ShowProp="Resistance" Show_id="false" Show_Val="true" Pos="756,612" rotation="0" hflip="1" vflip="1" label="Resistor-450" idLabPos="-16,-24" labelrot="0" valLabPos="-16,6" valLabRot="0" Resistance="50 Ω" />

<item itemtype="Node" CircId="Node-243" mainComp="false" Pos="668,668" />

<item itemtype="Node" CircId="Node-297" mainComp="false" Pos="708,556" />

<item itemtype="Node" CircId="Node-301" mainComp="false" Pos="708,668" />

<item itemtype="Node" CircId="Node-398" mainComp="false" Pos="780,668" />

<item itemtype="Node" CircId="Node-406" mainComp="false" Pos="596,556" />

<item itemtype="Node" CircId="Node-453" mainComp="false" Pos="780,612" />

<item itemtype="Connector" uid="connector-454" startpinid="Rail-33-outnod" endpinid="Resistor-29-lPin" pointList="520,556,540,556" />

<item itemtype="Connector" uid="connector-455" startpinid="Battery-158-rPin" endpinid="Node-243-0" pointList="668,660,668,668" />

<item itemtype="Connector" uid="connector-456" startpinid="opAmp-1-inputInv" endpinid="Battery-158-lPin" pointList="684,620,668,620,668,628" />

<item itemtype="Connector" uid="connector-457" startpinid="Tunnel-11-pin" endpinid="Node-243-1" pointList="652,668,668,668" />

<item itemtype="Connector" uid="connector-458" startpinid="Tunnel-4-pin" endpinid="opAmp-1-inputNinv" pointList="652,604,684,604" />

<item itemtype="Connector" uid="connector-459" startpinid="opAmp-1-powerPos" endpinid="Node-297-0" pointList="708,596,708,556" />

<item itemtype="Connector" uid="connector-460" startpinid="Node-243-2" endpinid="Node-301-0" pointList="668,668,708,668" />

<item itemtype="Connector" uid="connector-461" startpinid="Node-297-2" endpinid="Tunnel-9-pin" pointList="708,556,652,556" />

<item itemtype="Connector" uid="connector-462" startpinid="BJT-295-emiter" endpinid="Node-398-0" pointList="820,628,820,668,780,668" />

<item itemtype="Connector" uid="connector-463" startpinid="Node-301-2" endpinid="opAmp-1-powerNeg" pointList="708,668,708,628" />

<item itemtype="Connector" uid="connector-464" startpinid="Capacitor-393-rPin" endpinid="Node-398-1" pointList="780,656,780,668" />

<item itemtype="Connector" uid="connector-465" startpinid="Node-398-2" endpinid="Node-301-1" pointList="780,668,708,668" />

<item itemtype="Connector" uid="connector-466" startpinid="Node-297-1" endpinid="BJT-295-collector" pointList="708,556,820,556,820,596" />

<item itemtype="Connector" uid="connector-467" startpinid="Ground-52-Gnd" endpinid="Tunnel-197-pin" pointList="580,676,580,668,604,668" />

<item itemtype="Connector" uid="connector-468" startpinid="Resistor-29-rPin" endpinid="Node-406-0" pointList="572,556,596,556" />

<item itemtype="Connector" uid="connector-469" startpinid="Tunnel-199-pin" endpinid="Node-406-1" pointList="604,604,596,604,596,556" />

<item itemtype="Connector" uid="connector-470" startpinid="Node-406-2" endpinid="Tunnel-195-pin" pointList="596,556,604,556" />

<item itemtype="Connector" uid="connector-471" startpinid="Capacitor-393-lPin" endpinid="Node-453-0" pointList="780,624,780,612" />

<item itemtype="Connector" uid="connector-472" startpinid="Resistor-450-lPin" endpinid="opAmp-1-output" pointList="740,612,732,612" />

<item itemtype="Connector" uid="connector-473" startpinid="Resistor-450-rPin" endpinid="Node-453-1" pointList="772,612,780,612" />

<item itemtype="Connector" uid="connector-474" startpinid="Node-453-2" endpinid="BJT-295-base" pointList="780,612,796,612" />

</circuit>