Version 4 SHEET 1 1160 692 WIRE -96 80 -256 80 WIRE 464 80 416 80 WIRE -256 96 -256 80 WIRE -352 112 -672 112 WIRE -304 112 -352 112 WIRE -96 112 -96 80 WIRE -32 112 -96 112 WIRE 304 112 256 112 WIRE 368 112 304 112 WIRE 416 112 416 80 WIRE -672 128 -672 112 WIRE 368 128 368 112 WIRE -304 176 -304 160 WIRE -32 192 -96 192 WIRE 304 192 256 192 WIRE 368 192 368 176 WIRE 368 192 304 192 WIRE -256 208 -256 176 WIRE -176 208 -256 208 WIRE 416 208 416 192 WIRE -96 224 -96 192 WIRE -96 224 -256 224 WIRE -672 240 -672 208 WIRE -256 240 -256 224 WIRE -352 256 -352 112 WIRE -304 256 -352 256 WIRE -32 272 -96 272 WIRE 416 272 256 272 WIRE -176 288 -176 208 WIRE -96 288 -96 272 WIRE 416 288 416 272 WIRE -304 320 -304 304 WIRE -256 352 -256 320 WIRE -176 352 -176 288 WIRE -176 352 -256 352 WIRE -32 352 -96 352 WIRE 288 352 256 352 WIRE -256 384 -256 352 WIRE 416 384 416 368 WIRE -96 400 -96 352 WIRE -256 480 -256 464 FLAG -96 400 0 FLAG 416 384 0 FLAG -672 240 0 FLAG -256 480 0 FLAG 416 208 0 FLAG 304 112 OUTP FLAG 304 192 OUTM FLAG 464 80 OUT FLAG -672 112 IN FLAG -176 288 CMI FLAG 288 352 SDX FLAG -304 176 0 FLAG -304 320 0 SYMBOL cap -112 288 R0 WINDOW 3 29 47 Left 2 SYMATTR Value .1µ SYMATTR InstName C1 SYMBOL voltage 416 272 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL e -256 80 R0 SYMATTR InstName E3 SYMATTR Value 0.5 SYMBOL e -256 224 R0 SYMATTR InstName E1 SYMATTR Value -0.5 SYMBOL voltage -672 112 R0 WINDOW 123 41 58 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 1 0 SYMATTR InstName V2 SYMATTR Value PWL(0 -1 10u -1 11u 1) SYMBOL voltage -256 368 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value 2.0 SYMBOL e 416 96 R0 SYMATTR InstName E2 SYMATTR Value 1 SYMBOL FilterProducts\\LTC1565 112 224 R0 SYMATTR InstName U1 SYMATTR SpiceLine vvar={vvar} fvar={fvar} gvar={gvar} TEXT -712 -80 Left 2 !.ac oct 100 10e3 5e6\n.param fvar=0 vvar=0 gvar=0\n.step param fvar list -1 0 1 TEXT -232 -192 Left 2 ;SCHEMATIC PARAMETERS-\nvvar controls the offset voltage\nfvar controls the frequency response\ngvar controls the gain\n \nEach parameter can be varied from -1 to +1 to see variations in the filter.\nFor "typical" performance, set the paramters to 0.