Version 4
SHEET 1 880 680
WIRE 112 128 48 128
WIRE 192 128 176 128
WIRE 48 144 48 128
WIRE 192 144 192 128
WIRE 48 240 48 224
WIRE 192 240 192 224
WIRE 192 240 48 240
WIRE 48 256 48 240
FLAG 48 256 0
SYMBOL voltage 48 128 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 1 0
SYMBOL res 208 240 R180
WINDOW 0 -41 77 Left 2
WINDOW 3 -38 46 Left 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL cap 176 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
TEXT -112 96 Left 2 !.ac dec 10 100 100k