Version 4
SHEET 1 1032 680
WIRE -352 -48 -432 -48
WIRE -256 -48 -352 -48
WIRE 304 -48 -256 -48
WIRE 64 0 -192 0
WIRE 240 0 144 0
WIRE 384 0 240 0
WIRE -352 16 -352 -48
WIRE 240 32 240 0
WIRE -192 48 -192 0
WIRE -128 48 -192 48
WIRE -16 48 -48 48
WIRE -128 112 -128 96
WIRE -192 128 -192 48
WIRE -160 128 -192 128
WIRE 304 128 304 -48
WIRE -352 144 -352 96
WIRE -288 144 -352 144
WIRE -16 144 -16 48
WIRE -16 144 -96 144
WIRE 0 144 -16 144
WIRE 96 144 80 144
WIRE 128 144 96 144
WIRE 240 144 240 96
WIRE 240 144 208 144
WIRE 272 144 240 144
WIRE -160 160 -192 160
WIRE 384 160 384 0
WIRE 384 160 336 160
WIRE 576 160 384 160
WIRE 96 176 96 144
WIRE 272 176 240 176
WIRE -256 208 -256 -48
WIRE -128 208 -128 176
WIRE -128 208 -256 208
WIRE -432 224 -432 -48
WIRE -352 224 -352 144
WIRE 96 272 96 240
WIRE 304 272 304 192
WIRE 384 272 384 160
WIRE 576 272 576 160
WIRE -352 352 -352 304
WIRE -192 352 -192 160
WIRE -192 352 -352 352
WIRE -352 384 -352 352
WIRE -288 384 -288 144
WIRE 240 384 240 176
WIRE 240 384 -288 384
WIRE 384 384 384 352
WIRE 480 384 480 352
WIRE 480 384 384 384
WIRE 576 384 576 352
WIRE 672 384 672 352
WIRE 672 384 576 384
WIRE 480 400 480 384
WIRE 576 400 576 384
WIRE 384 416 384 384
WIRE -432 496 -432 304
WIRE -352 496 -352 464
WIRE 480 496 480 464
WIRE 576 496 576 464
FLAG 96 272 0
FLAG -352 496 0
FLAG -432 496 0
FLAG 384 496 0
FLAG 480 496 0
FLAG 576 496 0
FLAG 304 272 0
FLAG -128 96 0
FLAG 480 352 DEPTH_LOW
IOPIN 480 352 Out
FLAG 672 352 DEPTH_HIGH
IOPIN 672 352 Out
SYMBOL Opamps\\UniversalOpamp2 -128 144 M180
SYMATTR InstName U1
SYMATTR SpiceModel level.3a
SYMBOL Opamps\\UniversalOpamp2 304 160 R0
SYMATTR InstName U2
SYMBOL res -368 0 R0
SYMATTR InstName R1
SYMATTR Value 180k
SYMBOL res -368 368 R0
SYMATTR InstName R3
SYMATTR Value 82k
SYMBOL res 96 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 47k
SYMBOL res 224 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R_RATE
SYMATTR Value 100k
SYMBOL voltage -432 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL cap 80 176 R0
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL cap 224 32 R0
SYMATTR InstName C2
SYMATTR Value 2µ2
SYMBOL res -368 208 R0
SYMATTR InstName R2
SYMATTR Value 68k
SYMBOL res -32 32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 470k
SYMBOL res 160 -16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 120k
SYMBOL res 368 256 R0
SYMATTR InstName R7
SYMATTR Value 4k7
SYMBOL res 368 400 R0
SYMATTR InstName R8
SYMATTR Value 2k7
SYMBOL cap 464 400 R0
SYMATTR InstName C3
SYMATTR Value 10µ
SYMBOL res 560 256 R0
SYMATTR InstName R9
SYMATTR Value 4k7
SYMBOL cap 560 400 R0
SYMATTR InstName C4
SYMATTR Value 10µ
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