Version 4
SHEET 1 880 936
WIRE -80 48 -80 0
WIRE -80 336 -80 128
WIRE -80 576 -80 528
WIRE -80 864 -80 656
WIRE 64 0 -80 0
WIRE 64 16 64 0
WIRE 64 144 64 96
WIRE 64 336 64 224
WIRE 64 528 -80 528
WIRE 64 544 64 528
WIRE 64 672 64 624
WIRE 64 864 64 752
WIRE 112 16 112 0
WIRE 112 112 112 96
WIRE 112 544 112 528
WIRE 112 640 112 624
WIRE 128 208 112 208
WIRE 128 224 128 208
WIRE 128 336 128 304
WIRE 128 736 112 736
WIRE 128 752 128 736
WIRE 128 864 128 832
WIRE 208 528 112 528
WIRE 208 544 208 528
WIRE 208 640 112 640
WIRE 208 640 208 608
WIRE 256 112 112 112
WIRE 256 640 208 640
WIRE 384 0 112 0
WIRE 384 0 384 -32
WIRE 384 16 384 0
WIRE 384 112 320 112
WIRE 384 112 384 80
WIRE 384 160 112 160
WIRE 384 160 384 112
WIRE 384 528 208 528
WIRE 384 528 384 496
WIRE 384 544 384 528
WIRE 384 640 320 640
WIRE 384 640 384 608
WIRE 384 688 112 688
WIRE 384 688 384 640
WIRE 448 0 384 0
WIRE 448 16 448 0
WIRE 448 112 384 112
WIRE 448 112 448 96
WIRE 448 528 384 528
WIRE 448 544 448 528
WIRE 448 640 384 640
WIRE 448 640 448 624
WIRE 512 112 448 112
WIRE 560 640 448 640
FLAG 384 -32 0
FLAG 64 336 0
FLAG -80 336 0
FLAG 128 336 0
FLAG 384 496 0
FLAG 64 864 0
FLAG -80 864 0
FLAG 128 864 0
FLAG 512 112 Sperr
FLAG 560 640 Fluss
SYMBOL sw 64 128 M0
SYMATTR InstName S1
SYMBOL ind2 48 112 M180
WINDOW 0 -5 82 Right 0
WINDOW 3 -8 42 Right 0
SYMATTR InstName L1
SYMATTR Value 100µ
SYMATTR Type ind
SYMBOL ind2 128 112 R180
WINDOW 0 -7 82 Right 0
WINDOW 3 -4 47 Right 0
SYMATTR InstName L2
SYMATTR Value 100µ
SYMATTR Type ind
SYMBOL Misc\\battery -80 32 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL diode 256 128 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMBOL cap 400 16 M0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL Misc\\EuropeanResistor 432 0 R0
SYMATTR InstName R_load1
SYMATTR Value 12
SYMBOL Misc\\signal 128 208 R0
WINDOW 3 -209 181 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(-1m 20 0 10u 10u 0 20u)
SYMBOL sw 64 656 M0
SYMATTR InstName S2
SYMBOL ind2 48 640 M180
WINDOW 0 -5 82 Right 0
WINDOW 3 -8 42 Right 0
SYMATTR InstName L3
SYMATTR Value 100µ
SYMATTR Type ind
SYMBOL ind2 128 528 M0
WINDOW 0 -1 25 Right 0
WINDOW 3 -2 63 Right 0
SYMATTR InstName L4
SYMATTR Value 100µ
SYMATTR Type ind
SYMBOL Misc\\battery -80 560 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL diode 256 656 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D2
SYMBOL cap 400 544 M0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL Misc\\EuropeanResistor 432 528 R0
SYMATTR InstName R_load2
SYMATTR Value 12
SYMBOL Misc\\signal 128 736 R0
WINDOW 3 -209 181 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value PULSE(-1m 20 0 10u 10u 0 20u)
SYMBOL cap 192 544 R0
SYMATTR InstName C3
SYMATTR Value 100n
TEXT 40 -24 Left 0 !K1 L1 L2 .8
TEXT 16 -88 Left 0 !.model sw sw()
TEXT -82 -158 Left 0 !.tran 1m
TEXT 40 504 Left 0 !K2 L3 L4 .8