bjt-lvl-shftr.sch 2.14 KB
v 20130925 2
C 40000 40000 0 0 0 title-A4.sym
C 47100 42900 1 0 0 gnd-1.sym
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Transistor DC Level Shifter
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2015 - 04 - 14
C 40550 40500 1 0 0 spice-model-1.sym
{
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device=model
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refdes=A1
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model-name=BC548
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file=../../lib/models/bc548.mod
}
C 43450 44100 1 0 0 gnd-1.sym
C 43850 44600 1 0 1 vdc-1.sym
{
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refdes=Vcc
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device=VOLTAGE_SOURCE
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footprint=none
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value=DC 5V
}
C 43350 46000 1 0 0 vcc-1.sym
C 47000 46000 1 0 0 vcc-1.sym
C 47300 44100 1 90 0 resistor-2.sym
{
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device=RESISTOR
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refdes=R3
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value=1.2K
}
C 45200 46000 1 0 0 vcc-1.sym
C 46400 45400 1 0 1 resistor-2.sym
{
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device=RESISTOR
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refdes=R1
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value=220K
}
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C 46600 45000 1 0 0 npn-3.sym
{
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device=NPN_TRANSISTOR
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refdes=Q1
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value=BC548
}
C 47100 44100 1 270 0 resistor-2.sym
{
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device=RESISTOR
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refdes=R4
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value=3.9K
}
C 46300 44100 1 270 0 voltage-3.sym
{
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device=VOLTAGE_SOURCE
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refdes=Vin
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value=DC 0.5V
}
C 46400 42900 1 0 0 gnd-1.sym
C 46600 45200 1 90 1 resistor-2.sym
{
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device=RESISTOR
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refdes=R2
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value=4.7K
}
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{
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netname=Vout
}
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Mike Waters
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bjt-lvl-shftr.sch
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1
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1