Version 4
Low pass filter
SHEET 1 880 680
WIRE 160 64 64 64
WIRE 288 64 240 64
WIRE 64 112 64 64
WIRE 288 112 288 64
WIRE 64 224 64 192
WIRE 176 224 64 224
WIRE 288 224 288 176
WIRE 288 224 176 224
WIRE 176 240 176 224
FLAG 176 240 0
SYMBOL res 256 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 272 112 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL voltage 64 96 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 2
TEXT -8 256 Left 2 !.ac dec 20 1 1MEG