Version 4
SHEET 1 1052 680
WIRE 848 -128 720 -128
WIRE 720 -112 720 -128
WIRE 848 -80 848 -128
WIRE 720 0 720 -32
WIRE 720 0 544 0
WIRE 720 16 720 0
WIRE 624 64 560 64
WIRE 624 80 624 64
WIRE 544 96 544 0
WIRE 592 96 544 96
WIRE 720 112 720 96
WIRE 720 112 656 112
WIRE 880 112 720 112
WIRE 112 128 -32 128
WIRE 240 128 192 128
WIRE 320 128 240 128
WIRE 464 128 400 128
WIRE 592 128 464 128
WIRE 768 144 624 144
WIRE 240 160 240 128
WIRE 464 160 464 128
WIRE 560 176 560 64
WIRE 592 176 560 176
WIRE 880 176 880 112
WIRE 800 192 704 192
WIRE 592 224 592 176
WIRE -32 272 -32 128
WIRE 768 272 768 144
WIRE 768 272 704 272
WIRE -32 400 -32 352
WIRE 240 400 240 224
WIRE 240 400 -32 400
WIRE 464 400 464 224
WIRE 464 400 240 400
WIRE 592 400 592 304
WIRE 592 400 464 400
WIRE 800 400 800 192
WIRE 800 400 592 400
WIRE 880 400 880 256
WIRE 880 400 800 400
WIRE 464 416 464 400
FLAG 464 416 0
FLAG 848 -80 0
SYMBOL voltage -32 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0v 3.3v 0s 0.00000001s 0.00000001s 0.053µs 5.3µs 1870000)
SYMBOL res 208 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 370k
SYMATTR SpiceLine tol=5
SYMBOL res 416 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 370k
SYMATTR SpiceLine tol=5
SYMBOL cap 224 160 R0
SYMATTR InstName C1
SYMATTR Value 68µ
SYMBOL cap 448 160 R0
SYMATTR InstName C2
SYMATTR Value 68µ
SYMBOL res 864 160 R0
SYMATTR InstName R3
SYMATTR Value 100000k
SYMBOL Opamps\\UniversalOpamp2 624 112 R0
SYMATTR InstName U2
SYMBOL voltage 592 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15v
SYMBOL voltage 704 288 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -15v
SYMBOL res 704 0 R0
SYMATTR InstName R4
SYMATTR Value 240k
SYMATTR SpiceLine tol=5
SYMBOL res 704 -128 R0
SYMATTR InstName R5
SYMATTR Value 91k
SYMATTR SpiceLine tol=5
TEXT 744 352 Left 2 !.tran 10