Version 4
SHEET 1 2256 1168
WIRE 96 -32 80 -32
WIRE 464 32 448 32
WIRE 544 32 528 32
WIRE -208 48 -208 32
WIRE 464 96 448 96
WIRE -208 144 -208 128
WIRE 96 160 80 160
WIRE 464 160 448 160
WIRE 80 224 80 160
WIRE 96 224 80 224
WIRE 464 224 464 160
WIRE 464 224 448 224
WIRE 672 224 480 224
WIRE -96 288 -112 288
WIRE 80 288 -16 288
WIRE 96 288 80 288
WIRE 480 288 480 224
WIRE 480 288 448 288
WIRE 496 288 480 288
WIRE 688 288 576 288
WIRE -112 352 -112 288
WIRE -16 352 -112 352
WIRE 96 352 64 352
WIRE 576 352 448 352
WIRE 688 352 688 288
WIRE 688 352 656 352
WIRE -208 416 -304 416
WIRE -112 416 -112 352
WIRE -112 416 -128 416
WIRE 96 416 -112 416
WIRE 688 416 688 352
WIRE 688 416 448 416
WIRE -304 432 -304 416
WIRE 80 512 80 288
WIRE 496 512 80 512
WIRE 688 512 688 416
WIRE 688 512 576 512
WIRE -304 528 -304 512
FLAG 544 32 0
FLAG -208 144 0
FLAG -304 528 0
FLAG 672 224 OUT
FLAG -208 32 +V
FLAG 80 -32 +V
FLAG -304 416 IN
FLAG 464 96 0
SYMBOL voltage -208 32 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL voltage -304 416 R0
SYMATTR InstName V3
SYMATTR Value AC 1
SYMBOL res 80 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 10K
SYMBOL res 0 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R31
SYMATTR Value 200K
SYMBOL res -112 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rin2
SYMATTR Value 200K
SYMBOL res 592 496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RL1
SYMATTR Value 200K
SYMBOL res 560 368 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R32
SYMATTR Value 10K
SYMBOL res 480 304 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R42
SYMATTR Value 200K
SYMBOL FilterProducts\\LTC1067-50 272 224 R0
SYMATTR InstName U1
SYMBOL cap 528 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1µ
TEXT 560 592 Left 2 !.ac lin 250 8K 12K