Version 4
SHEET 1 880 680
WIRE 128 16 -112 16
WIRE 256 16 128 16
WIRE 128 80 128 16
WIRE 256 80 256 16
WIRE -112 144 -112 16
WIRE 128 176 128 144
WIRE 128 176 80 176
WIRE 256 176 256 144
WIRE 496 176 496 128
WIRE 496 176 256 176
WIRE 656 176 496 176
WIRE 128 208 128 176
WIRE 256 208 256 176
WIRE 496 208 496 176
WIRE 656 208 656 176
WIRE -112 352 -112 224
WIRE 128 352 128 272
WIRE 128 352 -112 352
WIRE 256 352 256 272
WIRE 256 352 128 352
WIRE 80 400 80 176
WIRE 496 400 496 272
WIRE 496 400 80 400
WIRE 656 400 656 288
WIRE 656 400 496 400
WIRE 496 448 496 400
FLAG 496 448 0
FLAG 496 128 Ub
SYMBOL diode 240 80 R0
SYMATTR InstName D1
SYMBOL diode 272 272 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL diode 112 208 R0
SYMATTR InstName D3
SYMBOL diode 144 144 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMBOL voltage -112 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 24 50)
SYMBOL cap 480 208 R0
SYMATTR InstName C1
SYMATTR Value 15m
SYMBOL res 640 192 R0
SYMATTR InstName R1
SYMATTR Value 49
TEXT -146 472 Left 2 !.tran 100m