Version 4
SHEET 1 1280 680
WIRE 304 -32 160 -32
WIRE 400 -32 384 -32
WIRE 464 -32 400 -32
WIRE 608 -32 544 -32
WIRE 160 -16 160 -32
WIRE 160 80 160 64
WIRE 400 112 400 -32
WIRE 416 112 400 112
WIRE 608 112 608 -32
WIRE 608 112 576 112
WIRE 80 144 80 128
WIRE 320 144 288 144
WIRE 416 144 384 144
WIRE 416 176 400 176
WIRE 608 176 576 176
WIRE 80 240 80 224
WIRE 448 240 448 224
WIRE 304 304 288 304
WIRE 400 304 400 176
WIRE 400 304 384 304
WIRE 464 304 400 304
WIRE 608 304 608 176
WIRE 608 304 544 304
FLAG 160 80 0
FLAG 80 240 0
FLAG 288 304 0
FLAG 448 240 0
FLAG 288 144 0
FLAG 448 64 +V
FLAG 80 128 +V
SYMBOL res 560 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res 400 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res 560 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL res 400 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1K
SYMBOL voltage 160 -32 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 1 250K)
SYMBOL voltage 80 128 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V2
SYMATTR Value 10
SYMBOL cap 384 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL Opamps\\THS4531 480 144 R0
SYMATTR InstName U1
TEXT 560 352 Left 2 !.tran 100u