Version 4
SHEET 1 880 680
WIRE -224 -32 -272 -32
WIRE -96 -32 -144 -32
WIRE -272 96 -272 -32
WIRE -272 96 -400 96
WIRE -208 96 -272 96
WIRE -96 96 -96 -32
WIRE -96 96 -144 96
WIRE -32 96 -96 96
WIRE 144 96 48 96
WIRE 256 96 144 96
WIRE 384 96 336 96
WIRE 624 96 384 96
WIRE 704 96 624 96
WIRE -400 144 -400 96
WIRE 384 192 384 96
WIRE 144 208 144 160
WIRE 144 208 64 208
WIRE 256 208 256 160
WIRE 336 208 336 96
WIRE 336 208 256 208
WIRE 624 208 624 96
WIRE 704 208 704 96
WIRE 144 256 144 208
WIRE 256 256 256 208
WIRE -400 320 -400 224
WIRE -144 320 -400 320
WIRE -96 320 -144 320
WIRE 144 320 -96 320
WIRE 256 320 144 320
WIRE -144 352 -144 320
WIRE -96 384 -96 320
WIRE -64 384 -96 384
WIRE 64 384 64 208
WIRE 64 384 16 384
WIRE 384 384 384 256
WIRE 384 384 64 384
WIRE 624 384 624 272
WIRE 624 384 384 384
WIRE 704 384 704 288
WIRE 704 384 624 384
FLAG -144 352 0
FLAG 624 96 LH
FLAG 624 384 LL
SYMBOL res 64 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL cap -144 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 15µ
SYMBOL res -128 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 220k
SYMBOL voltage -400 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 310 50)
SYMBOL diode 128 256 R0
WINDOW 3 -49 104 Left 2
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL diode 240 96 R0
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL diode 272 320 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -69 -31 Left 2
SYMATTR InstName D3
SYMATTR Value MUR460
SYMBOL diode 160 160 R180
WINDOW 0 41 26 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value MUR460
SYMBOL cap 368 192 R0
SYMATTR InstName C2
SYMATTR Value 470µ
SYMBOL res 32 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100MEG
SYMBOL zener 640 272 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value BZX84C12L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 688 192 R0
SYMATTR InstName R4
SYMATTR Value 18
TEXT -434 434 Left 2 !.tran 500m