v 20130925 2
C 44300 48700 1 0 0 resistor-2.sym
{
T 44700 49050 5 10 0 0 0 0 1
device=RESISTOR
T 44500 49000 5 10 1 1 0 0 1
refdes=R2
}
C 43800 46200 1 90 0 resistor-2.sym
{
T 43450 46600 5 10 0 0 90 0 1
device=RESISTOR
T 43500 46400 5 10 1 1 90 0 1
refdes=R1
}
N 42000 47800 42600 47800 4
N 43500 47800 45500 47800 4
N 40300 45100 47900 45100 4
{
T 40300 45100 5 10 1 1 0 0 1
netname=Gnd
}
N 43700 47100 43700 47800 4
N 43700 46200 43700 45100 4
N 44300 48800 42200 48800 4
N 42200 48800 42200 47800 4
N 46500 47600 47900 47600 4
{
T 47100 47700 5 10 1 1 0 0 1
netname=Vout
}
N 45200 48800 47000 48800 4
N 47000 48800 47000 47600 4
C 47500 46500 1 90 0 resistor-2.sym
{
T 47150 46900 5 10 0 0 90 0 1
device=RESISTOR
T 47200 46700 5 10 1 1 90 0 1
refdes=Ra
}
N 47400 47400 47400 47600 4
N 45500 47400 45100 47400 4
N 45100 47400 45100 46500 4
N 45100 46500 47400 46500 4
C 42000 48000 1 180 0 capacitor-1.sym
{
T 41800 47300 5 10 0 0 180 0 1
device=CAPACITOR
T 41800 47600 5 10 1 1 180 0 1
refdes=C1
T 41800 47100 5 10 0 0 180 0 1
symversion=0.1
}
N 41100 47800 40300 47800 4
{
T 40500 47800 5 10 1 1 0 0 1
netname=Vin
}
N 40300 47300 40300 47800 4
N 40300 46100 40300 45100 4
C 44100 45700 1 0 0 vdc-1.sym
{
T 44800 46350 5 10 1 1 0 0 1
refdes=Vcc
T 44800 46550 5 10 0 0 0 0 1
device=VOLTAGE_SOURCE
T 44800 46750 5 10 0 0 0 0 1
footprint=none
T 44800 46150 5 10 1 1 0 0 1
value=DC 12V
}
N 44400 45700 44400 45100 4
N 44400 46900 44400 48400 4
N 44400 48400 46000 48400 4
N 46000 48000 46000 48400 4
C 45700 45200 1 0 0 vdc-1.sym
{
T 46400 45850 5 10 1 1 0 0 1
refdes=Vss
T 46400 46050 5 10 0 0 0 0 1
device=VOLTAGE_SOURCE
T 46400 46250 5 10 0 0 0 0 1
footprint=none
T 46400 45650 5 10 1 1 0 0 1
value=DC -12V
}
C 40000 46100 1 0 0 vpulse-1.sym
{
T 40700 46750 5 10 1 1 0 0 1
refdes=V1
T 40700 46950 5 10 0 0 0 0 1
device=vpulse
T 40700 47150 5 10 0 0 0 0 1
footprint=none
}
C 45500 47200 1 0 0 lm358-1.sym
{
T 46175 47800 5 10 0 0 0 0 1
device=LM358/NS
T 46200 48550 5 10 0 0 0 0 1
footprint=DIP8
T 45700 48100 5 10 1 1 0 0 1
refdes=U1
T 45500 47200 5 10 0 1 0 0 1
value=LM358/NS
}
N 46000 47200 46000 46400 4
C 47500 45300 1 90 0 resistor-2.sym
{
T 47150 45700 5 10 0 0 90 0 1
device=RESISTOR
T 47200 45500 5 10 1 1 90 0 1
refdes=Rb
}
N 47400 46500 47400 46200 4
N 47400 45300 47400 45100 4
N 46000 45200 46000 45100 4
T 46500 44600 9 10 1 0 0 0 1
k = Rb/(Ra+Rb)
C 43500 48000 1 180 0 capacitor-1.sym
{
T 43300 47300 5 10 0 0 180 0 1
device=CAPACITOR
T 43300 47600 5 10 1 1 180 0 1
refdes=C2
T 43300 47100 5 10 0 0 180 0 1
symversion=0.1
}