Version 4
SHEET 1 980 680
WIRE 816 0 736 0
WIRE 688 16 672 16
WIRE 672 32 672 16
WIRE 560 64 496 64
WIRE 576 64 560 64
WIRE 672 64 656 64
WIRE 688 64 672 64
WIRE 976 64 912 64
WIRE 448 80 416 80
WIRE 416 96 416 80
WIRE 736 96 736 80
WIRE 912 96 912 64
WIRE 864 112 848 112
WIRE 320 128 288 128
WIRE 416 128 400 128
WIRE 448 128 416 128
WIRE 848 128 848 112
WIRE 240 144 112 144
WIRE 496 160 496 144
WIRE 560 160 560 64
WIRE 672 160 672 64
WIRE 688 160 672 160
WIRE 816 160 816 0
WIRE 816 160 752 160
WIRE 864 160 816 160
WIRE 112 176 112 144
WIRE 912 192 912 176
WIRE 288 224 288 208
WIRE 416 224 416 128
WIRE 560 224 416 224
WIRE 672 224 672 160
WIRE 736 224 672 224
WIRE 816 224 816 160
WIRE 416 240 416 224
WIRE 240 272 240 192
WIRE 112 288 112 256
WIRE 192 288 112 288
WIRE 112 368 112 288
WIRE 240 368 240 352
WIRE 192 400 192 336
WIRE 416 400 416 320
WIRE 416 400 192 400
WIRE 976 400 976 64
WIRE 976 400 416 400
FLAG 288 224 0
FLAG 416 96 0
FLAG 496 160 0
FLAG 672 32 0
FLAG 736 96 0
FLAG 848 128 0
FLAG 912 192 0
FLAG 240 368 0
FLAG 112 368 0
SYMBOL e 288 112 R0
WINDOW 0 -14 -7 Left 2
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL res 416 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 20k
SYMBOL e 496 48 R0
WINDOW 0 -11 -6 Left 2
WINDOW 3 13 96 Left 2
SYMATTR InstName E2
SYMATTR Value 2e5
SYMBOL res 672 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 20k
SYMBOL cap 544 160 R0
SYMATTR InstName C1
SYMATTR Value 0.1µ
SYMBOL cap 752 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL e 736 -16 R0
WINDOW 0 -13 -4 Left 2
SYMATTR InstName E3
SYMATTR Value 2e5
SYMBOL res 832 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL e 912 80 R0
SYMATTR InstName E4
SYMATTR Value 1
SYMBOL e 240 256 R0
SYMATTR InstName E5
SYMATTR Value 2
SYMBOL res 400 224 R0
SYMATTR InstName R4
SYMATTR Value 20k
SYMBOL voltage 112 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 30 90 Left 2
SYMATTR Value PWL(0 0 1n -5)
SYMATTR InstName V1
TEXT 96 424 Left 2 !.tran 0 18m 0 0.1m