Version 4
SHEET 1 3484 680
WIRE 672 -144 608 -144
WIRE 784 -144 752 -144
WIRE 288 -128 272 -128
WIRE 416 -128 368 -128
WIRE 608 -48 608 -144
WIRE 672 -48 608 -48
WIRE 784 -48 784 -144
WIRE 784 -48 736 -48
WIRE 272 -32 272 -128
WIRE 288 -32 272 -32
WIRE 416 -32 416 -128
WIRE 416 -32 352 -32
WIRE -272 32 -320 32
WIRE -176 32 -208 32
WIRE 0 32 -96 32
WIRE 96 32 0 32
WIRE 192 32 96 32
WIRE 208 32 192 32
WIRE 272 32 272 -32
WIRE 272 32 256 32
WIRE 272 96 272 32
WIRE 320 96 272 96
WIRE -320 112 -320 32
WIRE 0 112 0 32
WIRE 96 112 96 32
WIRE 416 112 416 -32
WIRE 416 112 384 112
WIRE 496 112 416 112
WIRE 608 112 608 -48
WIRE 608 112 576 112
WIRE 688 112 608 112
WIRE -176 128 -176 32
WIRE -160 128 -176 128
WIRE -96 128 -96 32
WIRE 320 128 272 128
WIRE 784 128 784 -48
WIRE 784 128 752 128
WIRE 896 128 784 128
WIRE 688 144 624 144
WIRE 624 160 624 144
WIRE 0 208 0 176
WIRE 96 208 96 192
WIRE 96 208 0 208
WIRE -320 240 -320 192
WIRE 272 240 272 128
WIRE 96 256 96 208
FLAG 272 240 0
FLAG 896 128 Vout
FLAG -320 240 0
FLAG 96 256 0
FLAG 352 144 -6.3V
FLAG 352 80 +6.3V
FLAG -320 32 Vin
FLAG 624 240 0
FLAG 720 160 -6.3V
FLAG 720 96 +6.3V
FLAG -64 -240 +6.3V
FLAG -64 -160 0
FLAG 80 -176 0
FLAG 80 -256 -6.3V
SYMBOL res -80 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rx1
SYMATTR Value {R}
SYMBOL cap -96 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Cx1
SYMATTR Value {C}
SYMBOL cap 352 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10p
SYMBOL res 384 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 160k
SYMBOL cap -208 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Cs1
SYMATTR Value 38p
SYMBOL cap 256 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Cs2
SYMATTR Value 38p
SYMBOL res 80 96 R0
SYMATTR InstName Rx3
SYMATTR Value {R}
SYMBOL voltage -320 96 R0
WINDOW 3 -408 -592 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PWL(0 0 1u 0 1.00001u -0.3 5.5u -0.3 5.50001u 0 6.5u 0 6.50001u +0.3 11u +0.3 11.00001u 0)
SYMATTR InstName V4
SYMBOL cap -16 112 R0
SYMATTR InstName Cx3
SYMATTR Value {C}
SYMBOL res 592 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 820
SYMBOL res 608 144 R0
SYMATTR InstName R3
SYMATTR Value 820
SYMBOL res 768 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 160k
SYMBOL cap 736 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL voltage -64 -256 R0
SYMATTR InstName V1
SYMATTR Value +6.3
SYMBOL voltage 80 -272 R0
SYMATTR InstName V5
SYMATTR Value -6.3
SYMBOL Opamps\\opamp2 352 48 R0
SYMATTR InstName U1
SYMATTR Value OPA4132
SYMBOL Opamps\\opamp2 720 64 R0
SYMATTR InstName U2
SYMATTR Value OPA4820
TEXT -728 -464 Left 2 !.tran 12u
TEXT -728 -424 Left 2 !.options plotwinsize=0
TEXT -728 -368 Left 2 !.lib OPA4820.lib
TEXT -728 -400 Left 2 !.lib OPA4132.lib
TEXT -728 -320 Left 2 !.param C = 1.435e-13\n.param R = 1.541e+09