Version 4
SHEET 1 2300 692
WIRE -752 -400 -832 -400
WIRE -608 -400 -688 -400
WIRE -832 -288 -832 -400
WIRE -832 -288 -864 -288
WIRE -800 -288 -832 -288
WIRE -704 -288 -720 -288
WIRE -608 -288 -608 -400
WIRE -608 -288 -624 -288
WIRE -576 -288 -608 -288
WIRE -1392 -272 -1408 -272
WIRE -1376 -272 -1392 -272
WIRE -1392 -256 -1392 -272
WIRE -720 -192 -736 -192
WIRE -704 -192 -720 -192
WIRE -720 -176 -720 -192
WIRE -1392 -160 -1392 -176
WIRE -1312 -160 -1392 -160
WIRE -864 -160 -864 -288
WIRE -864 -160 -992 -160
WIRE -752 -160 -864 -160
WIRE -1392 -144 -1392 -160
WIRE -1312 -144 -1312 -160
WIRE -992 -144 -992 -160
WIRE -576 -144 -576 -288
WIRE -576 -144 -688 -144
WIRE -544 -144 -576 -144
WIRE -752 -128 -864 -128
WIRE -720 -96 -720 -112
WIRE -720 -96 -736 -96
WIRE -704 -96 -720 -96
WIRE -992 -64 -992 -80
WIRE -864 -64 -864 -128
WIRE -1392 -48 -1392 -64
WIRE -1392 -48 -1408 -48
WIRE -1376 -48 -1392 -48
FLAG -1312 -144 0
FLAG -1392 -272 +Vcc
FLAG -1392 -48 -Vss
FLAG -720 -192 +Vcc
FLAG -720 -96 -Vss
FLAG -544 -144 IV_Conv_Out_1
FLAG -864 -64 0
FLAG -992 -64 0
SYMBOL voltage -1392 -160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL cap -1008 -144 R0
SYMATTR InstName C_Input_1
SYMATTR Value {Cin}
SYMBOL res -720 -272 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Rf1
SYMATTR Value 1Meg
SYMBOL Opamps\\LT1122 -720 -208 R0
SYMATTR InstName U11
SYMBOL voltage -1392 -272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL cap -752 -384 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName Cf1
SYMATTR Value 10p
SYMBOL voltage -704 -288 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 -4 56 VBottom 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vnoise1
SYMATTR Value 0
SYMATTR Value2 AC 1
TEXT -1456 56 Left 2 !;tran 1m
TEXT -1456 16 Left 2 !.ac oct 100 100 10Meg
TEXT -688 32 Left 2 !.Step Param Cin List 100p 200p 400p