<circuit version="1.1.0-RC0" rev="1909" stepSize="1000000" stepsPS="1000000" NLsteps="100000" reaStep="1000000" animate="0" >

<item itemtype="Ground" CircId="Ground-71" mainComp="false" Show_id="false" Show_Val="false" Pos="-132,152" rotation="0" hflip="1" vflip="1" label="Ground-71" idLabPos="-16,8" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Rail" CircId="Rail-3" mainComp="false" ShowProp="Voltage" Show_id="false" Show_Val="true" Pos="-44,-192" rotation="90" hflip="1" vflip="1" label="Rail-3" idLabPos="-5,-10" labelrot="-90" valLabPos="-16.3528,6.87055" valLabRot="-90" Voltage="12 V" />

<item itemtype="Ground" CircId="Ground-51" mainComp="false" Show_id="false" Show_Val="false" Pos="-88,228" rotation="0" hflip="1" vflip="1" label="Ground-51" idLabPos="-16,8" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Ground" CircId="Ground-4" mainComp="false" Show_id="false" Show_Val="false" Pos="-132,-128" rotation="90" hflip="1" vflip="1" label="Ground-4" idLabPos="-16,8" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Resistor" CircId="Resistor-84" mainComp="false" ShowProp="Resistance" Show_id="false" Show_Val="true" Pos="-52,100" rotation="0" hflip="1" vflip="-1" label="Resistor-84" idLabPos="-16,-24" labelrot="0" valLabPos="-14.299,-20.7914" valLabRot="0" Resistance="1000 Ω" />

<item itemtype="Probe" CircId="Probe-48" mainComp="false" Show_id="false" Show_Val="true" Pos="-168,-128" rotation="-45" hflip="1" vflip="1" label="Probe-48" idLabPos="16,-16" labelrot="45" valLabPos="-8.95845,-35.1824" valLabRot="45" ShowVolt="true" Threshold="2.5 V" />

<item itemtype="Rail" CircId="Rail-72" mainComp="false" ShowProp="Voltage" Show_id="false" Show_Val="true" Pos="-224,44" rotation="0" hflip="1" vflip="1" label="Rail-72" idLabPos="-5,-10" labelrot="-90" valLabPos="-16.3528,6.87055" valLabRot="-90" Voltage="12 V" />

<item itemtype="Ground" CircId="Ground-45" mainComp="false" Show_id="false" Show_Val="false" Pos="-216,24" rotation="0" hflip="1" vflip="1" label="Ground-45" idLabPos="-16,8" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Capacitor" CircId="Capacitor-53" mainComp="false" ShowProp="Capacitance" Show_id="false" Show_Val="true" Pos="-132,116" rotation="90" hflip="1" vflip="1" label="Capacitor-53" idLabPos="-16,-24" labelrot="0" valLabPos="-10.0894,8.16492" valLabRot="0" Capacitance="10 nF" Resistance="1e-06 Ω" InitVolt="0 V" AutoStep="0 _Steps" />

<item itemtype="Ground" CircId="Ground-12" mainComp="false" Show_id="false" Show_Val="false" Pos="-60,24" rotation="0" hflip="1" vflip="1" label="Ground-12" idLabPos="-16,8" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Resistor" CircId="Resistor-68" mainComp="false" ShowProp="Resistance" Show_id="false" Show_Val="true" Pos="-88,128" rotation="90" hflip="1" vflip="1" label="Resistor-68" idLabPos="-16,-24" labelrot="0" valLabPos="-13.5502,-20.3952" valLabRot="0" Resistance="7200 Ω" />

<item itemtype="BJT" CircId="BJT-83" mainComp="false" Show_id="false" Show_Val="false" Pos="-12,100" rotation="0" hflip="1" vflip="1" label="BJT-83" idLabPos="18,0" labelrot="0" valLabPos="-16,20" valLabRot="0" PNP="false" Gain="100" Vcrit="0.670736 V" />

<item itemtype="Lm555" CircId="Lm555-66" mainComp="false" Show_id="false" Show_Val="false" Pos="-204,140" rotation="-90" hflip="1" vflip="1" label="Lm555-66" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Capacitor" CircId="Capacitor-64" mainComp="false" ShowProp="Capacitance" Show_id="false" Show_Val="true" Pos="-88,192" rotation="90" hflip="1" vflip="1" label="Capacitor-64" idLabPos="-16,-24" labelrot="0" valLabPos="-10.8584,-25.6613" valLabRot="0" Capacitance="100 µF" Resistance="1e-06 Ω" InitVolt="0 V" AutoStep="0 _Steps" />

<item itemtype="Lm555" CircId="Lm555-1" mainComp="false" Show_id="false" Show_Val="false" Pos="-100,-136" rotation="0" hflip="1" vflip="1" label="Lm555-1" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="BJT" CircId="BJT-43" mainComp="false" Show_id="false" Show_Val="false" Pos="-208,-36" rotation="0" hflip="-1" vflip="1" label="BJT-43" idLabPos="18,0" labelrot="0" valLabPos="-16,20" valLabRot="0" PNP="false" Gain="100" Vcrit="0.670736 V" />

<item itemtype="Resistor" CircId="Resistor-46" mainComp="false" ShowProp="Resistance" Show_id="false" Show_Val="true" Pos="-184,-72" rotation="90" hflip="1" vflip="1" label="Resistor-46" idLabPos="-16,-24" labelrot="0" valLabPos="-14.299,-20.7914" valLabRot="0" Resistance="1000 Ω" />

<item itemtype="Lamp" CircId="Lamp-87" mainComp="false" Show_id="false" Show_Val="false" Pos="-4,60" rotation="90" hflip="1" vflip="1" label="Lamp-87" idLabPos="-16,-24" labelrot="0" valLabPos="-16,6" valLabRot="0" Resistance="5 Ω" MaxCurrent="1 A" />

<item itemtype="Capacitor" CircId="Capacitor-28" mainComp="false" ShowProp="Capacitance" Show_id="false" Show_Val="true" Pos="-152,-28" rotation="90" hflip="1" vflip="1" label="Capacitor-28" idLabPos="-16,-24" labelrot="0" valLabPos="-10.8584,-25.6613" valLabRot="0" Capacitance="100 µF" Resistance="1e-06 Ω" InitVolt="0 V" AutoStep="0 _Steps" />

<item itemtype="Lamp" CircId="Lamp-38" mainComp="false" Show_id="false" Show_Val="false" Pos="-216,-96" rotation="90" hflip="1" vflip="1" label="Lamp-38" idLabPos="-16,-24" labelrot="0" valLabPos="-16,6" valLabRot="0" Resistance="5 Ω" MaxCurrent="1 A" />

<item itemtype="Capacitor" CircId="Capacitor-19" mainComp="false" ShowProp="Capacitance" Show_id="false" Show_Val="true" Pos="-60,-80" rotation="90" hflip="1" vflip="1" label="Capacitor-19" idLabPos="-16,-24" labelrot="0" valLabPos="-6.25803,8.16492" valLabRot="0" Capacitance="10 nF" Resistance="1e-06 Ω" InitVolt="0 V" AutoStep="0 _Steps" />

<item itemtype="Oscope" CircId="Oscope-34" mainComp="false" Show_id="false" Show_Val="false" Pos="-376,-84" rotation="0" hflip="1" vflip="1" label="Oscope-34" idLabPos="-90,-100" labelrot="0" valLabPos="-16,20" valLabRot="0" Basic_X="135 _Pixels" Basic_Y="135 _Pixels" BufferSize="600000 Samples" TimDiv="245519600000" TimPos="0,0,0,0," VolDiv="1.02838,1,1,1," Tunnels=",,,," Trigger="0" Filter="0.1 V" Trigger="0" AutoSC="0" Tracks="1" HideCh="false,false,false,false," VolPos="-5.16399,0,0,0," />

<item itemtype="Resistor" CircId="Resistor-26" mainComp="false" ShowProp="Resistance" Show_id="false" Show_Val="true" Pos="-152,-72" rotation="90" hflip="1" vflip="1" label="Resistor-26" idLabPos="-16,-24" labelrot="0" valLabPos="-13.5502,-20.3952" valLabRot="0" Resistance="7200 Ω" />

<item itemtype="Ground" CircId="Ground-55" mainComp="false" Show_id="false" Show_Val="false" Pos="-196,188" rotation="0" hflip="1" vflip="1" label="Ground-55" idLabPos="-16,8" labelrot="0" valLabPos="-16,20" valLabRot="0" />

<item itemtype="Node" CircId="Node-75" mainComp="false" Pos="-180,44" />

<item itemtype="Node" CircId="Node-29" mainComp="false" Pos="-60,-4" />

<item itemtype="Node" CircId="Node-73" mainComp="false" Pos="-196,44" />

<item itemtype="Node" CircId="Node-33" mainComp="false" Pos="-116,-48" />

<item itemtype="Node" CircId="Node-32" mainComp="false" Pos="-152,-48" />

<item itemtype="Node" CircId="Node-88" mainComp="false" Pos="-156,44" />

<item itemtype="Node" CircId="Node-85" mainComp="false" Pos="-88,100" />

<item itemtype="Node" CircId="Node-86" mainComp="false" Pos="-88,212" />

<item itemtype="Node" CircId="Node-35" mainComp="false" Pos="-152,-112" />

<item itemtype="Node" CircId="Node-60" mainComp="false" Pos="-88,172" />

<item itemtype="Node" CircId="Node-47" mainComp="false" Pos="-152,-112" />

<item itemtype="Node" CircId="Node-15" mainComp="false" Pos="-44,-152" />

<item itemtype="Node" CircId="Node-49" mainComp="false" Pos="-140,-152" />

<item itemtype="Connector" uid="Connector-137" startpinid="Lm555-66-ePin5" endpinid="Node-75-0" pointList="-180,100,-180,44" />

<item itemtype="Connector" uid="Connector-165" startpinid="Resistor-84-lPin" endpinid="Node-85-1" pointList="-68,100,-88,100" />

<item itemtype="Connector" uid="Connector-169" startpinid="BJT-83-emiter" endpinid="Node-86-1" pointList="-4,116,-4,212,-88,212" />

<item itemtype="Connector" uid="Connector-70" startpinid="Lm555-1-ePin2" endpinid="Node-35-0" pointList="-108,-112,-152,-112" />

<item itemtype="Connector" uid="Connector-93" startpinid="Node-49-2" endpinid="Node-15-0" pointList="-140,-152,-44,-152" />

<item itemtype="Connector" uid="Connector-92" startpinid="Lm555-1-ePin3" endpinid="Node-49-0" pointList="-108,-104,-140,-104,-140,-152" />

<item itemtype="Connector" uid="Connector-84" startpinid="Lamp-38-rPin" endpinid="BJT-43-collector" pointList="-216,-80,-216,-52" />

<item itemtype="Connector" uid="Connector-13" startpinid="Rail-3-outnod" endpinid="Node-15-1" pointList="-44,-176,-44,-152" />

<item itemtype="Connector" uid="Connector-172" startpinid="Lamp-87-rPin" endpinid="BJT-83-collector" pointList="-4,76,-4,84" />

<item itemtype="Connector" uid="Connector-98" startpinid="Lm555-66-ePin4" endpinid="Capacitor-53-lPin" pointList="-172,100,-132,100" />

<item itemtype="Connector" uid="Connector-109" startpinid="Node-60-2" endpinid="Capacitor-64-lPin" pointList="-88,172,-88,176" />

<item itemtype="Connector" uid="Connector-67" startpinid="Node-33-2" endpinid="Lm555-1-ePin1" pointList="-116,-48,-116,-120,-108,-120" />

<item itemtype="Connector" uid="Connector-138" startpinid="Node-75-2" endpinid="Node-73-0" pointList="-180,44,-196,44" />

<item itemtype="Connector" uid="Connector-85" startpinid="Ground-45-Gnd" endpinid="BJT-43-emiter" pointList="-216,8,-216,-20" />

<item itemtype="Connector" uid="Connector-131" startpinid="Node-60-1" endpinid="Lm555-66-ePin1" pointList="-88,172,-188,172,-188,148" />

<item itemtype="Connector" uid="Connector-53" startpinid="Ground-12-Gnd" endpinid="Node-29-0" pointList="-60,8,-60,-4" />

<item itemtype="Connector" uid="Connector-89" startpinid="Node-47-2" endpinid="Resistor-26-lPin" pointList="-152,-112,-152,-88" />

<item itemtype="Connector" uid="Connector-111" startpinid="Ground-55-Gnd" endpinid="Lm555-66-ePin0" pointList="-196,172,-196,148" />

<item itemtype="Connector" uid="Connector-166" startpinid="Lm555-66-ePin2" endpinid="Node-85-0" pointList="-180,148,-180,164,-112,164,-112,100,-88,100" />

<item itemtype="Connector" uid="Connector-175" startpinid="Node-88-2" endpinid="Node-75-1" pointList="-156,44,-180,44" />

<item itemtype="Connector" uid="Connector-54" startpinid="Node-29-2" endpinid="Capacitor-19-rPin" pointList="-60,-4,-60,-64" />

<item itemtype="Connector" uid="Connector-128" startpinid="Rail-72-outnod" endpinid="Node-73-1" pointList="-208,44,-196,44" />

<item itemtype="Connector" uid="Connector-170" startpinid="Capacitor-64-rPin" endpinid="Node-86-0" pointList="-88,208,-88,212" />

<item itemtype="Connector" uid="Connector-86" startpinid="Resistor-46-rPin" endpinid="BJT-43-base" pointList="-184,-56,-184,-36,-192,-36" />

<item itemtype="Connector" uid="Connector-91" startpinid="Lamp-38-lPin" endpinid="Node-49-1" pointList="-216,-112,-216,-152,-140,-152" />

<item itemtype="Connector" uid="Connector-64" startpinid="Resistor-26-rPin" endpinid="Node-32-0" pointList="-152,-56,-152,-48" />

<item itemtype="Connector" uid="Connector-63" startpinid="Node-32-1" endpinid="Node-33-1" pointList="-152,-48,-116,-48" />

<item itemtype="Connector" uid="Connector-25" startpinid="Lm555-1-ePin4" endpinid="Capacitor-19-lPin" pointList="-60,-104,-60,-96" />

<item itemtype="Connector" uid="Connector-173" startpinid="Lamp-87-lPin" endpinid="Node-88-1" pointList="-4,44,-156,44" />

<item itemtype="Connector" uid="Connector-126" startpinid="Ground-71-Gnd" endpinid="Capacitor-53-rPin" pointList="-132,136,-132,132" />

<item itemtype="Connector" uid="Connector-168" startpinid="Resistor-84-rPin" endpinid="BJT-83-base" pointList="-36,100,-28,100" />

<item itemtype="Connector" uid="Connector-96" startpinid="Resistor-68-rPin" endpinid="Node-60-0" pointList="-88,144,-88,172" />

<item itemtype="Connector" uid="Connector-87" startpinid="Resistor-46-lPin" endpinid="Node-47-1" pointList="-184,-88,-184,-112,-152,-112" />

<item itemtype="Connector" uid="Connector-167" startpinid="Node-85-2" endpinid="Resistor-68-lPin" pointList="-88,100,-88,112" />

<item itemtype="Connector" uid="Connector-65" startpinid="Node-32-2" endpinid="Capacitor-28-lPin" pointList="-152,-48,-152,-44" />

<item itemtype="Connector" uid="Connector-52" startpinid="Capacitor-28-rPin" endpinid="Node-29-1" pointList="-152,-12,-152,-4,-60,-4" />

<item itemtype="Connector" uid="Connector-69" startpinid="Oscope-34-Pin0" endpinid="Node-35-1" pointList="-464,-132,-464,-168,-152,-168,-152,-112" />

<item itemtype="Connector" uid="Connector-1" startpinid="Ground-4-Gnd" endpinid="Lm555-1-ePin0" pointList="-116,-128,-108,-128" />

<item itemtype="Connector" uid="Connector-130" startpinid="Node-73-2" endpinid="Lm555-66-ePin7" pointList="-196,44,-196,100" />

<item itemtype="Connector" uid="Connector-88" startpinid="Node-35-2" endpinid="Node-47-0" pointList="-152,-112,-152,-112" />

<item itemtype="Connector" uid="Connector-66" startpinid="Lm555-1-ePin5" endpinid="Node-33-0" pointList="-60,-112,-44,-112,-44,-48,-116,-48" />

<item itemtype="Connector" uid="Connector-171" startpinid="Node-86-2" endpinid="Ground-51-Gnd" pointList="-88,212,-88,212" />

<item itemtype="Connector" uid="Connector-44" startpinid="Node-15-2" endpinid="Lm555-1-ePin7" pointList="-44,-152,-44,-128,-60,-128" />

<item itemtype="Connector" uid="Connector-174" startpinid="Lm555-66-ePin3" endpinid="Node-88-0" pointList="-172,148,-156,148,-156,44" />

</circuit>