Version 4
SHEET 1 880 680
WIRE 224 -96 144 -96
WIRE 368 -96 288 -96
WIRE 144 0 144 -96
WIRE 224 0 144 0
WIRE 368 0 368 -96
WIRE 368 0 304 0
WIRE 288 112 288 96
WIRE 32 128 -64 128
WIRE 144 128 144 0
WIRE 144 128 112 128
WIRE 256 128 144 128
WIRE -64 144 -64 128
WIRE 368 144 368 0
WIRE 368 144 320 144
WIRE 400 144 368 144
WIRE 144 160 144 128
WIRE 256 160 224 160
WIRE 224 192 224 160
WIRE 288 192 288 176
WIRE -64 256 -64 224
WIRE 144 256 144 224
WIRE -64 352 -64 336
WIRE 48 352 48 336
WIRE -64 448 -64 432
WIRE 48 448 48 432
FLAG -64 256 0
FLAG 144 256 0
FLAG 224 192 0
FLAG -64 128 in
FLAG 400 144 out
FLAG 288 96 +V
FLAG 288 192 -V
FLAG -64 448 0
FLAG 48 448 0
FLAG -64 336 +V
FLAG 48 336 -V
SYMBOL Misc\\EuropeanResistor 16 144 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor 208 16 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 10k ac=10k
SYMBOL cap 128 160 R0
SYMATTR InstName C1
SYMATTR Value 5u
SYMBOL cap 224 -80 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 8.929n
SYMBOL voltage -64 128 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value 0
SYMBOL Opamps\\UniversalOpamp2 288 144 R0
WINDOW 38 26 33 Left 2
SYMATTR InstName U1
SYMATTR SpiceModel level.1
SYMATTR Value2 Avol=100k GBW=1Meg Slew=1Meg
SYMATTR SpiceLine2 en=20n enk=0 in=0 ink=0 Rin=500Meg
SYMBOL voltage -64 336 R0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL voltage 48 336 R0
SYMATTR InstName V3
SYMATTR Value -15
TEXT -80 -224 Left 2 ;.ac dec 1000 1 10Meg
TEXT 416 -232 Left 2 ;1n 134.4p\n10n 407p\n100n  1.27n\n1u 3,997n\n5u 8.929n
TEXT -80 -184 Left 2 !.noise V(out) V1 dec 1000 1 10Meg
TEXT -80 -312 Left 2 ;Cf=1/(2*wt*Rf) + sqrt(1/(2*wt*Rf)^2+C1/(wt*Rf))