Version 4
SHEET 1 996 680
WIRE 720 16 672 16
WIRE 720 48 720 16
WIRE -64 80 -96 80
WIRE 32 80 -64 80
WIRE 192 80 112 80
WIRE 224 80 192 80
WIRE 192 96 192 80
WIRE 272 128 240 128
WIRE 672 128 672 16
WIRE 672 128 528 128
WIRE -96 144 -96 80
WIRE 720 176 720 128
WIRE 720 176 672 176
WIRE 192 192 192 176
WIRE 192 192 128 192
WIRE 224 192 224 80
WIRE 272 192 224 192
WIRE 640 192 528 192
WIRE 640 208 640 192
WIRE 720 208 720 176
WIRE 192 224 192 192
WIRE 272 256 256 256
WIRE 576 256 528 256
WIRE -96 304 -96 224
WIRE -64 304 -96 304
WIRE 32 304 -64 304
WIRE 192 304 112 304
WIRE 240 304 240 128
WIRE 240 304 192 304
WIRE 128 320 128 192
WIRE 576 320 576 256
WIRE 576 320 128 320
WIRE 640 320 640 288
WIRE 640 320 576 320
WIRE 672 320 672 176
WIRE 672 320 640 320
WIRE 128 352 128 320
WIRE 256 352 256 256
WIRE 720 352 720 288
WIRE 720 352 256 352
FLAG 128 352 0
FLAG -64 80 in+
FLAG -64 304 in-
FLAG 640 192 out
SYMBOL res 128 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 130k
SYMBOL res 208 192 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 128 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 130k
SYMBOL res 208 320 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL voltage 720 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 720 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage -96 128 R0
WINDOW 3 -349 202 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(-4 300 100u 40n 40n 5u 50u 5000)
SYMATTR InstName V3
SYMBOL res 656 304 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL Opamps\\LT1920 400 160 R0
SYMATTR InstName U1
TEXT -136 368 Left 2 !.tran 100m startup