Version 4
SHEET 1 1048 680
WIRE 64 -32 0 -32
WIRE 256 -32 64 -32
WIRE 320 -32 256 -32
WIRE 432 -32 400 -32
WIRE 576 -32 432 -32
WIRE 720 -32 672 -32
WIRE 736 -32 720 -32
WIRE 848 -32 816 -32
WIRE 992 -32 848 -32
WIRE 256 32 256 -32
WIRE 432 32 432 -32
WIRE 720 32 720 -32
WIRE 848 32 848 -32
WIRE 0 160 0 -32
WIRE 256 160 256 96
WIRE 432 160 432 96
WIRE 720 160 720 96
WIRE 848 160 848 96
WIRE 320 240 256 240
WIRE 432 240 400 240
WIRE 576 240 432 240
WIRE 0 288 0 240
WIRE 432 304 432 240
WIRE 432 432 432 368
FLAG 0 288 0
FLAG 256 160 0
FLAG 432 160 0
FLAG 848 160 0
FLAG 64 -32 out
FLAG 672 -32 out
FLAG 432 432 0
FLAG 256 240 out
FLAG 720 160 0
FLAG 576 -32 v1
FLAG 992 -32 v2
FLAG 576 240 v3
SYMBOL voltage 0 144 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value SINE(9 1 500k)
SYMBOL res 416 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL cap 240 32 R0
SYMATTR InstName C1
SYMATTR Value 470µ
SYMBOL cap 416 32 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL cap 832 32 R0
SYMATTR InstName C4
SYMATTR Value 220n
SYMBOL res 416 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 20
SYMBOL cap 416 304 R0
SYMATTR InstName C6
SYMATTR Value 47µ
SYMBOL cap 704 32 R0
SYMATTR InstName C3
SYMATTR Value 220n
SYMBOL res 832 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
TEXT -32 312 Left 2 !.ac lin 1meg 1 1meg