Version 4
SHEET 1 880 680
WIRE 0 96 -32 96
WIRE 96 96 80 96
WIRE 112 96 96 96
WIRE 224 96 192 96
WIRE 288 96 240 96
WIRE 144 144 32 144
WIRE 192 144 144 144
WIRE 304 144 192 144
WIRE -176 160 -192 160
WIRE -144 160 -176 160
WIRE -32 160 -32 96
WIRE -32 160 -64 160
WIRE 0 160 -32 160
WIRE 144 160 144 144
WIRE 192 160 192 144
WIRE 240 160 240 96
WIRE 272 160 240 160
WIRE 80 176 80 96
WIRE 80 176 64 176
WIRE 368 176 368 96
WIRE 368 176 336 176
WIRE 400 176 368 176
WIRE 512 176 480 176
WIRE 528 176 512 176
WIRE -192 192 -192 160
WIRE 0 192 -64 192
WIRE 224 192 224 96
WIRE 272 192 224 192
WIRE 240 240 240 160
WIRE 480 240 480 176
WIRE -64 256 -64 192
WIRE 144 256 144 240
WIRE 144 256 16 256
WIRE -192 336 -192 272
WIRE -144 336 -144 256
WIRE -144 336 -192 336
WIRE 32 336 32 208
WIRE 32 336 -144 336
WIRE 192 336 192 240
WIRE 192 336 144 336
WIRE 240 336 240 320
WIRE 304 336 304 208
WIRE 304 336 240 336
WIRE 480 336 480 304
WIRE 480 336 304 336
WIRE -144 352 -144 336
WIRE 144 352 144 336
WIRE 240 352 240 336
FLAG -144 352 0
FLAG 144 352 0
FLAG 240 352 0
FLAG -176 160 in
FLAG 512 176 out
FLAG 96 96 mid
SYMBOL Opamps\\LT1498 32 112 R0
WINDOW 3 -9 125 Left 2
SYMATTR InstName U1
SYMBOL Opamps\\LT1498 304 112 R0
SYMATTR InstName U2
SYMBOL res 96 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 21 79 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res -48 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res -48 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 32 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL res 160 256 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 1.8k
SYMBOL res 160 352 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 3.3k
SYMBOL res 256 336 R180
WINDOW 0 -27 75 Left 2
WINDOW 3 -38 48 Left 2
SYMATTR InstName R7
SYMATTR Value 1.5k
SYMBOL res 384 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 21 59 VTop 2
SYMATTR InstName R8
SYMATTR Value 2k
SYMBOL res 496 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 23 62 VTop 2
SYMATTR InstName R9
SYMATTR Value 1.69k
SYMBOL res 96 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 9 52 VBottom 2
SYMATTR InstName R10
SYMATTR Value 1.5k
SYMBOL cap 464 240 R0
SYMATTR InstName C1
SYMATTR Value 8200p
SYMBOL voltage 192 144 R0
WINDOW 0 -21 49 Left 2
WINDOW 3 7 65 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -192 176 R0
WINDOW 0 -21 49 Left 2
WINDOW 3 -1 212 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PWL(0 2 100m 3)
TEXT -104 366 Left 2 !.tran 100m startup