Version 4
SHEET 1 880 680
WIRE -128 64 -432 64
WIRE -128 80 -128 64
WIRE 384 128 192 128
WIRE 160 144 128 144
WIRE 304 160 304 96
WIRE 304 160 224 160
WIRE -432 176 -432 64
WIRE -128 176 -128 144
WIRE -32 176 -32 160
WIRE -32 176 -128 176
WIRE 32 176 -32 176
WIRE 160 176 96 176
WIRE -128 208 -128 176
WIRE 192 224 192 192
WIRE 384 224 384 208
WIRE 384 224 192 224
WIRE 128 272 128 144
WIRE 128 272 64 272
WIRE 224 272 128 272
WIRE 304 272 304 160
WIRE 304 272 288 272
WIRE 64 288 64 272
WIRE -432 368 -432 256
WIRE -128 368 -128 272
WIRE -128 368 -432 368
WIRE 32 368 -128 368
WIRE 64 368 64 352
WIRE 64 368 32 368
WIRE 192 368 192 224
WIRE 192 368 64 368
WIRE 32 384 32 368
FLAG 32 384 0
FLAG -32 160 Input
FLAG 304 96 Output
SYMBOL Opamps\\UniversalOpamp2 192 160 R0
SYMATTR InstName U1
SYMBOL voltage 384 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res2 32 192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res2 48 288 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res2 288 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName R3
SYMATTR Value 1500K
SYMBOL res2 -144 208 R0
SYMATTR InstName R4
SYMATTR Value 0.01
SYMBOL res2 -144 80 R0
SYMATTR InstName R5
SYMATTR Value 6
SYMBOL voltage -432 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 12 0 1 1 1 4)
TEXT -466 408 Left 2 !.tran 10