Version 4
SHEET 1 880 680
WIRE 496 -32 272 -32
WIRE 672 -32 496 -32
WIRE 496 16 496 -32
WIRE 112 64 48 64
WIRE 432 64 192 64
WIRE 272 128 272 -32
WIRE 672 176 672 -32
WIRE 272 304 272 208
WIRE 48 352 48 64
WIRE 112 352 48 352
WIRE 208 352 192 352
WIRE 496 400 496 112
WIRE 48 432 48 352
WIRE 64 432 48 432
WIRE 48 512 48 432
WIRE 272 528 272 400
WIRE 496 528 496 480
WIRE 496 528 272 528
WIRE 672 528 672 256
WIRE 672 528 496 528
WIRE 48 624 48 592
WIRE 672 624 672 528
FLAG 48 624 0
FLAG 64 432 Vgen
IOPIN 64 432 Out
FLAG 672 624 0
SYMBOL npn 208 304 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL pnp 432 16 R0
SYMATTR InstName Q2
SYMATTR Value 2N2905A
SYMBOL voltage 672 160 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL res 208 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 208 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 288 224 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res 512 496 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL voltage 48 496 R0
WINDOW 123 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 10 0 0.01 0.01 1e-10 0.02)
TEXT 600 436 Right 2 ;IEpnp
TEXT 392 160 Right 2 ;IEnpn
TEXT 176 -20 Right 2 ;IBpnp
TEXT 180 268 Right 2 ;IBnpn
TEXT 352 -88 Left 2 !.tran 0.001 0.05
LINE Normal 524 452 532 468
LINE Normal 532 468 540 452
LINE Normal 540 452 524 452
LINE Normal 532 452 532 416
LINE Normal 316 176 324 192
LINE Normal 324 192 332 176
LINE Normal 332 176 316 176
LINE Normal 324 176 324 140
LINE Normal 156 20 172 12
LINE Normal 172 12 156 4
LINE Normal 156 4 156 20
LINE Normal 156 12 120 12
LINE Normal 160 308 176 300
LINE Normal 176 300 160 292
LINE Normal 160 292 160 308
LINE Normal 160 300 124 300