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<Qucs Schematic 0.0.18>
<Properties>
<View=0,-60,1204,800,1,0,0>
<Grid=10,10,1>
<DataSet=levelshifter.dat>
<DataDisplay=levelshifter.dpl>
<OpenDisplay=1>
<Script=levelshifter.m>
<RunScript=0>
<showFrame=0>
<FrameText0=Title>
<FrameText1=Drawn By:>
<FrameText2=Date:>
<FrameText3=Revision:>
</Properties>
<Symbol>
</Symbol>
<Components>
<GND * 1 460 460 0 0 0 0>
<Vdc V1 1 310 110 18 -26 0 1 "8 V" 1>
<GND * 1 310 140 0 0 0 0>
<_BJT Q2N2907A_1 1 800 270 8 -26 1 0 "pnp" 0 "3.81e-13" 0 "1" 0 "1" 0 "0.14" 0 "0.21" 0 "139" 0 "20" 0 "1.53e-11" 0 "2" 0 "0" 0 "2" 0 "154" 0 "4" 0 "0" 0 "0" 0 "0.221" 0 "0.552" 0 "2.21" 0 "1.56e-11" 0 "0.75" 0 "0.33" 0 "2.08e-11" 0 "0.75" 0 "0.33" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "6.36e-10" 0 "0" 0 "0" 0 "0" 0 "6.37e-08" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<_BJT Q2N2222A_1 1 360 330 8 -26 0 0 "npn" 0 "8.11e-14" 0 "1" 0 "1" 0 "0.5" 0 "0.225" 0 "113" 0 "24" 0 "1.06e-11" 0 "2" 0 "0" 0 "2" 0 "205" 0 "4" 0 "0" 0 "0" 0 "0.137" 0 "0.343" 0 "1.37" 0 "2.95e-11" 0 "0.75" 0 "0.33" 0 "1.52e-11" 0 "0.75" 0 "0.33" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "3.97e-10" 0 "0" 0 "0" 0 "0" 0 "8.5e-08" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<IProbe I_VCC 1 440 80 -26 16 0 0>
<Vdc V2 1 240 400 18 -26 0 1 "V_IN" 1>
<IProbe PNP 1 710 270 -26 16 0 0>
<IProbe NPN 1 300 330 -26 16 0 0>
<GND * 1 1120 290 0 0 0 0>
<VProbe OUT 1 1110 270 28 -31 0 0>
<GND * 1 1050 410 0 0 0 0>
<R R3 1 800 330 15 -26 0 1 "2 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R2 1 360 390 15 -26 0 1 "12 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R1 1 360 210 15 -26 0 1 "20 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R4 1 800 210 15 -26 0 1 "12 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R6 0 1050 380 15 -26 0 1 "10 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<IProbe OUT_R 1 970 300 -26 16 0 0>
<GND * 1 240 430 0 0 0 0>
<.DC DC1 1 30 -10 0 36 0 0 "26.85" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "no" 0 "150" 0 "no" 0 "none" 0 "CroutLU" 0>
<.SW SW1 1 30 60 0 57 0 0 "DC1" 1 "lin" 1 "V_IN" 1 "0 V" 1 "4 V" 1 "1001" 1>
<R R5 1 1050 160 15 -26 0 1 "2 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
</Components>
<Wires>
<360 240 360 270 "" 0 0 0 "">
<360 420 360 460 "" 0 0 0 "">
<360 460 460 460 "" 0 0 0 "">
<360 160 520 160 "" 0 0 0 "">
<360 160 360 180 "" 0 0 0 "">
<460 460 800 460 "" 0 0 0 "">
<800 360 800 460 "" 0 0 0 "">
<800 160 800 180 "" 0 0 0 "">
<360 270 360 300 "" 0 0 0 "">
<520 160 800 160 "" 0 0 0 "">
<740 270 770 270 "" 0 0 0 "">
<360 270 680 270 "" 0 0 0 "">
<520 80 520 160 "" 0 0 0 "">
<470 80 520 80 "" 0 0 0 "">
<310 80 410 80 "" 0 0 0 "">
<240 330 240 370 "" 0 0 0 "">
<240 330 270 330 "" 0 0 0 "">
<310 10 310 80 "" 0 0 0 "">
<310 10 1050 10 "" 0 0 0 "">
<1050 10 1050 130 "" 0 0 0 "">
<1050 190 1050 300 "" 0 0 0 "">
<1050 300 1100 300 "" 0 0 0 "">
<1100 290 1100 300 "" 0 0 0 "">
<1050 300 1050 350 "" 0 0 0 "">
<1000 300 1050 300 "" 0 0 0 "">
<800 300 940 300 "" 0 0 0 "">
</Wires>
<Diagrams>
</Diagrams>
<Paintings>
<Text 350 -40 16 #000000 0 "This is a simulation for the 0-3.3V to 0-8V non-inverting\nlevel shifter that must work for busses with pull-up.">
</Paintings>
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