v 20070216 1 C 31900 49200 1 0 0 transistor.sym { T 32800 49700 5 10 1 1 0 0 1 refdes=Q1 T 32800 49900 5 10 1 1 0 0 1 model-name=2N3904 T 32800 49900 5 10 0 0 0 0 1 device=NPN_TRANSISTOR } C 28100 49600 1 0 0 resistor-1.sym { T 28300 49900 5 10 1 1 0 0 1 refdes=R5 T 28400 49400 5 10 1 1 0 0 1 value=10 T 28400 50000 5 10 0 0 0 0 1 device=RESISTOR } C 31100 49900 1 90 0 resistor-1.sym { T 31400 50700 5 10 1 1 180 0 1 refdes=R1 T 31200 50200 5 10 1 1 0 0 1 value=28K T 31400 50300 5 10 0 0 0 0 1 device=RESISTOR } C 31600 48200 1 90 0 resistor-1.sym { T 31900 48900 5 10 1 1 180 0 1 refdes=R2 T 31600 48200 5 10 1 1 0 0 1 value=2K T 31900 48600 5 10 0 0 0 0 1 device=RESISTOR } C 32600 47900 1 90 0 resistor-1.sym { T 33000 48600 5 10 1 1 180 0 1 refdes=RE1 T 32600 47900 5 10 1 1 0 0 1 value=100 T 32900 48300 5 10 0 0 0 0 1 device=RESISTOR } C 38000 54600 1 90 0 resistor-1.sym { T 38400 55300 5 10 1 1 180 0 1 refdes=RC2 T 38000 54600 5 10 1 1 0 0 1 value=1K T 38300 55000 5 10 0 0 0 0 1 device=RESISTOR } C 40800 52200 1 90 0 resistor-1.sym { T 41100 53100 5 10 1 1 180 0 1 refdes=RL T 40800 52200 5 10 1 1 0 0 1 value=100K T 41100 52600 5 10 0 0 0 0 1 device=RESISTOR } N 32500 49200 32500 48800 4 C 39300 53900 1 0 0 capacitor-1.sym { T 39500 54400 5 10 1 1 0 0 1 refdes=Cout T 39500 53700 5 10 1 1 0 0 1 value=2.2uF T 39500 54600 5 10 0 0 0 0 1 device=CAPACITOR T 39500 54800 5 10 0 0 0 0 1 symversion=0.1 } C 33700 47900 1 90 0 capacitor-1.sym { T 34100 48600 5 10 1 1 180 0 1 refdes=CE1 T 33700 47900 5 10 1 1 0 0 1 value=1pF T 33900 48600 5 10 0 0 0 0 1 device=CAPACITOR T 33900 48800 5 10 0 0 0 0 1 symversion=0.1 } N 33500 48800 33500 49100 4 N 39300 54100 37900 54100 4 { T 38000 53800 5 10 1 1 0 0 1 netname=VColl2 } N 40700 54100 40700 53100 4 C 31400 47400 1 0 0 gnd-1.sym C 32400 47400 1 0 0 gnd-1.sym C 33400 47400 1 0 0 gnd-1.sym C 40600 51200 1 0 0 gnd-1.sym C 27200 48300 1 0 0 vsin-1.sym { T 27900 48950 5 10 1 1 0 0 1 refdes=Vinput T 26800 48150 5 10 1 1 0 0 1 value=DC 1.6V AC 10MV SIN(0 1MV 1KHZ) T 27900 49150 5 10 0 0 0 0 1 device=vsin T 27900 49350 5 10 0 0 0 0 1 footprint=none } C 40700 48700 1 0 0 vdc-1.sym { T 41400 49350 5 10 1 1 0 0 1 refdes=VCC T 41400 49150 5 10 1 1 0 0 1 value=DC 15V T 41400 49550 5 10 0 0 0 0 1 device=VOLTAGE_SOURCE T 41400 49750 5 10 0 0 0 0 1 footprint=none } C 40800 50100 1 0 0 vcc-1.sym C 37700 55700 1 0 0 vcc-1.sym N 37900 55700 37900 55500 4 N 41000 50100 41000 49900 4 C 40900 48200 1 0 0 gnd-1.sym C 27400 47600 1 0 0 gnd-1.sym N 27500 48300 27500 47900 4 N 27500 49700 27500 49500 4 N 31500 48200 31500 47700 4 N 32500 47900 32500 47700 4 N 33500 47900 33500 47700 4 N 40700 52200 40700 51500 4 N 41000 48700 41000 48500 4 N 40200 54100 41300 54100 4 { T 41500 54100 5 10 1 1 0 0 1 netname=Vout } C 26000 46000 0 0 0 title-B.sym C 26500 55500 1 0 0 spice-model-1.sym { T 26600 56100 5 10 1 1 0 0 1 refdes=A1 T 27800 55800 5 10 1 1 0 0 1 model-name=2N3904 T 27000 55600 5 10 1 1 0 0 1 file=./models/2N3904.mod T 26600 56200 5 10 0 1 0 0 1 device=model } C 26500 54600 1 0 0 spice-include-1.sym { T 26600 55000 5 10 1 1 0 0 1 refdes=A2 T 27000 54700 5 10 1 1 0 0 1 file=./Simulation.cmd T 26600 54900 5 10 0 1 0 0 1 device=include } C 26500 53700 1 0 0 spice-directive-1.sym { T 26600 54100 5 10 1 1 0 0 1 refdes=A3 T 26600 53800 5 10 1 1 0 0 1 value=.options TEMP=25 T 26600 54000 5 10 0 1 0 0 1 device=directive T 26600 53800 5 10 1 1 0 0 1 file=unknown } N 27000 49700 28100 49700 4 { T 26700 49700 5 10 1 1 0 0 1 netname=Vin } N 31000 49900 31000 49700 4 N 31500 49100 31500 49700 4 C 29400 49500 1 0 0 capacitor-1.sym { T 29600 50000 5 10 1 1 0 0 1 refdes=C1 T 29500 49300 5 10 1 1 0 0 1 value=2.2uF T 29600 50200 5 10 0 0 0 0 1 device=CAPACITOR T 29600 50400 5 10 0 0 0 0 1 symversion=0.1 } N 29000 49700 29400 49700 4 C 37300 52600 1 0 0 transistor.sym { T 38200 53100 5 10 1 1 0 0 1 refdes=Q2 T 38200 52700 5 10 1 1 0 0 1 model-name=2N3904 T 38200 53300 5 10 0 0 0 0 1 device=NPN_TRANSISTOR } C 37800 48900 1 0 0 gnd-1.sym N 37900 53600 37900 54600 4 C 30800 51000 1 0 0 vcc-1.sym N 31000 50800 31000 51000 4 T 36100 46800 9 20 1 0 0 0 1 Two stage amplifier SPICE playpen T 40000 46100 9 10 1 0 0 0 1 Stuart Brorson -- sdb@cloud9.net C 32600 53500 1 90 0 resistor-1.sym { T 32900 54400 5 10 1 1 180 0 1 refdes=RC1 T 32600 53500 5 10 1 1 0 0 1 value=3.3K T 32900 53900 5 10 0 0 0 0 1 device=RESISTOR } C 38000 49500 1 90 0 resistor-1.sym { T 38500 50300 5 10 1 1 180 0 1 refdes=RE2 T 38000 49500 5 10 1 1 0 0 1 value=100 T 38300 49900 5 10 0 0 0 0 1 device=RESISTOR } N 37900 49200 37900 49500 4 N 37900 50400 37900 52600 4 N 32500 50200 32500 53500 4 C 32300 54800 1 0 0 vcc-1.sym N 32500 54400 32500 54800 4 N 30300 49700 31900 49700 4 { T 30700 49500 5 10 1 1 0 0 1 netname=Vbase1 } C 39200 49500 1 90 0 capacitor-1.sym { T 39600 50200 5 10 1 1 180 0 1 refdes=CE2 T 39200 49500 5 10 1 1 0 0 1 value=1pF T 39400 50200 5 10 0 0 0 0 1 device=CAPACITOR T 39400 50400 5 10 0 0 0 0 1 symversion=0.1 } C 38900 48900 1 0 0 gnd-1.sym N 39000 49500 39000 49200 4 N 39000 50400 39000 51000 4 N 39000 51000 37900 51000 4 { T 38000 51100 5 10 1 1 0 0 1 netname=Vem2 } N 32500 49100 33500 49100 4 { T 32700 49200 5 10 1 1 0 0 1 netname=Vem1 } C 33300 53000 1 0 0 resistor-1.sym { T 33500 53300 5 10 1 1 0 0 1 refdes=R8 T 33500 52700 5 10 1 1 0 0 1 value=1 T 33600 53400 5 10 0 0 0 0 1 device=RESISTOR } N 35900 53100 37300 53100 4 { T 36800 52900 5 10 1 1 0 0 1 netname=Vbase2 } N 32500 53100 33300 53100 4 { T 32600 52900 5 10 1 1 0 0 1 netname=Vcoll1 } C 36700 54700 1 90 0 resistor-1.sym { T 37000 55500 5 10 1 1 180 0 1 refdes=R3 T 36800 55000 5 10 1 1 0 0 1 value=28K T 37000 55100 5 10 0 0 0 0 1 device=RESISTOR } C 36400 51600 1 90 0 resistor-1.sym { T 36700 52300 5 10 1 1 180 0 1 refdes=R4 T 36400 51600 5 10 1 1 0 0 1 value=2.8K T 36700 52000 5 10 0 0 0 0 1 device=RESISTOR } C 36200 50800 1 0 0 gnd-1.sym N 36300 51600 36300 51100 4 N 36300 52500 36300 53100 4 C 36400 55800 1 0 0 vcc-1.sym N 36600 55600 36600 55800 4 C 35000 52900 1 0 0 capacitor-1.sym { T 35200 53400 5 10 1 1 0 0 1 refdes=C2 T 35100 52700 5 10 1 1 0 0 1 value=2.2uF T 35200 53600 5 10 0 0 0 0 1 device=CAPACITOR T 35200 53800 5 10 0 0 0 0 1 symversion=0.1 } N 35000 53100 34200 53100 4 N 36600 53100 36600 54700 4