Version 4
SHEET 1 880 680
WIRE 144 -96 96 -96
WIRE 352 -96 208 -96
WIRE 96 0 96 -96
WIRE 144 0 96 0
WIRE 352 0 352 -96
WIRE 352 0 224 0
WIRE 528 16 448 16
WIRE 448 48 448 16
WIRE 448 48 240 48
WIRE 240 112 240 48
WIRE -48 128 -144 128
WIRE 96 128 96 0
WIRE 96 128 32 128
WIRE 208 128 96 128
WIRE 528 128 528 96
WIRE 352 144 352 0
WIRE 352 144 272 144
WIRE 208 160 176 160
WIRE 240 192 240 176
WIRE 528 192 240 192
WIRE 96 208 96 192
WIRE 176 208 176 160
WIRE 176 208 96 208
WIRE -144 240 -144 208
WIRE 96 256 96 208
WIRE 528 304 528 272
FLAG 352 0 Vout
FLAG 528 304 0
FLAG 528 128 0
FLAG 96 256 0
FLAG -144 240 0
SYMBOL res 48 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 240 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R_F
SYMATTR Value 47k
SYMBOL cap 112 192 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL cap 144 -80 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C_F
SYMATTR Value 1.84n
SYMBOL Opamps\\UniversalOpamp2 240 144 R0
SYMATTR InstName U1
SYMBOL voltage 528 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage 528 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL voltage -144 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 1 1kHz)
TEXT -120 304 Left 2 !.noise V(Vout) V3 dec 20 1 1G