Version 4
SHEET 1 880 680
WIRE 496 128 -160 128
WIRE -160 144 -160 128
WIRE 16 160 0 160
WIRE 160 160 96 160
WIRE -96 208 -112 208
WIRE 0 208 0 160
WIRE 0 208 -16 208
WIRE 80 208 0 208
WIRE 160 224 160 160
WIRE 160 224 144 224
WIRE 176 224 160 224
WIRE 272 224 256 224
WIRE 288 224 272 224
WIRE 400 224 288 224
WIRE -224 240 -224 224
WIRE -192 240 -224 240
WIRE -112 240 -112 208
WIRE -112 240 -192 240
WIRE -96 240 -112 240
WIRE 48 240 -16 240
WIRE 80 240 48 240
WIRE 368 240 320 240
WIRE 496 240 496 128
WIRE 496 240 464 240
WIRE -224 256 -224 240
WIRE -192 256 -192 240
WIRE 288 256 288 224
WIRE 288 256 240 256
WIRE 368 256 368 240
WIRE 400 256 368 256
WIRE -160 272 -160 224
WIRE -80 304 -128 304
WIRE -64 304 -80 304
WIRE 48 304 48 240
WIRE 48 304 16 304
WIRE 80 304 48 304
WIRE 144 304 80 304
WIRE 240 304 240 256
WIRE 240 304 224 304
WIRE 320 320 288 320
WIRE 368 320 368 256
WIRE 400 320 368 320
WIRE 496 320 496 240
WIRE 496 320 480 320
WIRE 288 336 288 320
WIRE -224 352 -224 336
WIRE -160 352 -160 336
WIRE -160 352 -224 352
FLAG -192 256 0
FLAG 272 224 Out
FLAG -80 304 set
FLAG 80 304 ctrl
FLAG 288 336 0
FLAG -224 144 V+
FLAG 112 192 V+
FLAG 432 208 V+
FLAG -224 336 V-
FLAG 112 256 V-
FLAG 432 272 V-
SYMBOL Robertugo\\OPAMP5 112 160 R0
WINDOW 0 -26 64 Left 0
WINDOW 38 -107 32 Left 0
SYMATTR InstName U1
SYMATTR SpiceModel level2
SYMBOL voltage -224 240 R0
WINDOW 0 11 98 Left 0
WINDOW 3 -13 58 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VL
SYMATTR Value 10
SYMBOL voltage -224 128 R0
WINDOW 0 9 14 Left 0
WINDOW 3 -13 58 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VH
SYMATTR Value 10
SYMBOL res 0 192 R90
WINDOW 0 -5 73 VBottom 0
WINDOW 3 -5 28 VBottom 0
SYMATTR InstName R1
SYMATTR Value 50k
SYMBOL res 112 144 R90
WINDOW 0 15 104 VBottom 0
WINDOW 3 -17 34 VTop 0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 272 208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 59 VTop 0
SYMATTR InstName R3
SYMATTR Value 1e4
SYMBOL cap 304 256 M0
WINDOW 0 29 16 Left 0
SYMATTR InstName C1
SYMATTR Value 1ľ
SYMBOL res 0 224 R90
WINDOW 0 13 96 VBottom 0
WINDOW 3 14 4 VBottom 0
SYMATTR InstName R4
SYMATTR Value 500k
SYMBOL res 32 288 R90
WINDOW 0 1 58 VBottom 0
WINDOW 3 -27 17 VTop 0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res -176 128 R0
WINDOW 0 35 19 Left 0
WINDOW 3 34 45 Left 0
SYMATTR InstName R6
SYMATTR Value 1e3
SYMBOL Robertugo\\Pote -144 240 M0
WINDOW 0 -28 28 Left 0
WINDOW 3 -104 93 Left 0
WINDOW 123 -162 94 Center 0
SYMATTR InstName U2
SYMATTR Value Rt=5K
SYMATTR Value2 Set=.99
SYMBOL res 240 288 R90
WINDOW 0 13 102 VBottom 0
WINDOW 3 -14 22 VTop 0
SYMATTR InstName R7
SYMATTR Value 1e4
SYMBOL Robertugo\\OPAMP5 432 176 R0
WINDOW 0 -26 64 Left 0
WINDOW 38 -107 32 Left 0
SYMATTR InstName U3
SYMATTR SpiceModel level2
SYMBOL res 496 304 R90
WINDOW 0 15 104 VBottom 0
WINDOW 3 -16 20 VTop 0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 304 224 R0
WINDOW 0 25 48 Left 0
WINDOW 3 26 79 Left 0
SYMATTR InstName R9
SYMATTR Value 5k
TEXT 126 146 Left 0 !.tran .1 startup