Version 4
SHEET 1 952 680
WIRE 336 -64 336 -80
WIRE 336 -64 176 -64
WIRE 176 -48 176 -64
WIRE 336 -48 336 -64
WIRE 672 -48 672 -80
WIRE 336 48 336 32
WIRE 512 48 336 48
WIRE 672 48 672 32
WIRE 784 48 672 48
WIRE 48 96 16 96
WIRE 80 96 48 96
WIRE 176 96 176 32
WIRE 176 96 144 96
WIRE 272 96 176 96
WIRE 512 96 512 48
WIRE 608 96 576 96
WIRE 176 160 176 96
WIRE 336 160 336 144
WIRE 672 160 672 144
WIRE 48 240 48 96
WIRE 48 256 48 240
WIRE 336 272 336 240
WIRE 512 272 336 272
WIRE 672 272 672 240
WIRE 848 272 672 272
WIRE 48 352 48 320
WIRE 176 352 176 240
WIRE 512 352 512 336
WIRE 848 352 848 336
FLAG 48 352 0
FLAG 176 352 0
FLAG 336 352 0
FLAG 16 96 Spg_ein
IOPIN 16 96 In
FLAG 336 -80 Vs
IOPIN 336 -80 In
FLAG -144 528 0
FLAG -144 448 Vs
IOPIN -144 448 Out
FLAG 512 352 0
FLAG 672 352 0
FLAG 784 48 Spg_aus
IOPIN 784 48 Out
FLAG 672 -80 Vs
IOPIN 672 -80 In
FLAG 848 352 0
SYMBOL voltage 48 224 R0
WINDOW 0 -88 58 Left 2
WINDOW 3 -92 188 Left 2
WINDOW 123 -88 216 Left 2
WINDOW 39 -124 93 Left 2
SYMATTR InstName V_ein
SYMATTR Value PULSE(0 5 0.1m 0 0 1m 1 5)
SYMATTR Value2 AC 1 0
SYMBOL cap 144 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C_ein
SYMATTR Value 4.7µ
SYMBOL res 160 144 R0
SYMATTR InstName R_Ba_2
SYMATTR Value 5.6k
SYMBOL res 160 -64 R0
SYMATTR InstName R_Ba_1
SYMATTR Value 27k
SYMBOL res 320 -64 R0
SYMATTR InstName R_coll
SYMATTR Value 1k
SYMBOL res 320 256 R0
SYMATTR InstName R_emit_dc
SYMATTR Value 180
SYMBOL res 320 144 R0
SYMATTR InstName R_emit_ac
SYMATTR Value 47
SYMBOL voltage -144 432 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vs
SYMATTR Value 24
SYMBOL cap 496 272 R0
SYMATTR InstName C_emit
SYMATTR Value 470µ
SYMBOL npn 272 48 R0
SYMATTR InstName Q1
SYMBOL res 656 -64 R0
SYMATTR InstName R_coll1
SYMATTR Value 1k
SYMBOL res 656 256 R0
SYMATTR InstName R_emit_dc1
SYMATTR Value 180
SYMBOL res 656 144 R0
SYMATTR InstName R_emit_ac1
SYMATTR Value 47
SYMBOL cap 832 272 R0
SYMATTR InstName C_emit1
SYMATTR Value 470µ
SYMBOL npn 608 48 R0
SYMATTR InstName Q2
SYMBOL cap 576 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C_ein1
SYMATTR Value 4.7µ
TEXT -48 520 Left 2 ;;ac oct 2 1 500Meg
TEXT -32 592 Left 2 !.tran 0 10m 0 0.5m startup