Version 4
SHEET 1 1320 680
WIRE 816 -48 656 -48
WIRE 976 -48 816 -48
WIRE 656 -16 656 -48
WIRE 656 -16 608 -16
WIRE 704 -16 656 -16
WIRE 976 0 976 -48
WIRE 528 32 96 32
WIRE 608 32 608 -16
WIRE 704 32 704 -16
WIRE 96 80 96 32
WIRE 704 112 704 96
WIRE 736 112 704 112
WIRE 528 128 528 32
WIRE 608 128 608 96
WIRE 608 128 528 128
WIRE 816 128 816 -48
WIRE 736 144 736 112
WIRE 736 144 352 144
WIRE 976 144 976 80
WIRE 1120 144 976 144
WIRE 1296 144 1120 144
WIRE 608 176 608 128
WIRE 704 176 704 112
WIRE 976 176 976 144
WIRE 1120 176 1120 144
WIRE 1296 192 1296 144
WIRE 96 224 96 160
WIRE 352 224 352 144
WIRE 352 224 96 224
WIRE 608 288 608 240
WIRE 656 288 608 288
WIRE 704 288 704 240
WIRE 704 288 656 288
WIRE 976 304 976 256
WIRE 1120 304 1120 240
WIRE 1120 304 976 304
WIRE 1296 304 1296 256
WIRE 1296 304 1120 304
WIRE 656 352 656 288
WIRE 816 352 816 192
WIRE 816 352 656 352
WIRE 976 352 976 304
WIRE 976 352 816 352
FLAG 608 288 0
SYMBOL voltage 96 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 12 50 0 0)
SYMBOL diode 624 96 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMBOL diode 624 240 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL diode 720 96 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMBOL diode 720 240 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMBOL cap 800 128 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMATTR SpiceLine V=16
SYMBOL res 960 -16 R0
SYMATTR InstName R1
SYMATTR Value 437
SYMBOL res 960 160 R0
WINDOW 3 36 76 Invisible 2
SYMATTR InstName Summer
SYMATTR Value 188
SYMBOL cap 1104 176 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL zener 1312 256 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
TEXT 62 326 Left 2 !.tran 0.1