Version 4
SHEET 1 880 1108
WIRE 96 48 -32 48
WIRE 256 48 176 48
WIRE 320 48 256 48
WIRE 448 48 400 48
WIRE 448 96 448 48
WIRE 112 112 112 96
WIRE -32 128 -32 48
WIRE 160 128 160 96
WIRE -32 240 -32 208
WIRE 160 240 160 208
WIRE 160 240 -32 240
WIRE 448 240 448 176
WIRE 448 240 160 240
WIRE -32 272 -32 240
WIRE 96 432 -32 432
WIRE 256 432 176 432
WIRE 320 432 256 432
WIRE 448 432 400 432
WIRE 448 480 448 432
WIRE 112 496 112 480
WIRE -32 512 -32 432
WIRE 160 512 160 480
WIRE -32 624 -32 592
WIRE 160 624 160 592
WIRE 160 624 -32 624
WIRE 448 624 448 560
WIRE 448 624 160 624
WIRE -32 656 -32 624
WIRE 176 848 48 848
WIRE 336 848 256 848
WIRE 336 896 336 848
WIRE 48 912 48 848
WIRE 48 1040 48 992
WIRE 336 1040 336 976
WIRE 336 1040 48 1040
WIRE 48 1072 48 1040
FLAG -32 272 0
FLAG 112 112 0
FLAG -32 48 1
FLAG 256 48 2
FLAG 48 1072 0
FLAG 336 848 L3
FLAG -32 656 0
FLAG 112 496 0
FLAG -32 432 3
FLAG 256 432 4
SYMBOL voltage -32 112 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL sw 80 48 R270
WINDOW 0 38 2 VRight 2
WINDOW 3 49 70 VRight 2
SYMATTR InstName S1
SYMATTR Value SW1
SYMBOL ind 432 80 R0
WINDOW 39 36 108 Left 2
SYMATTR InstName L1
SYMATTR Value flux=1m*40*tanh(x/40)
SYMATTR SpiceLine Rser=0
SYMBOL voltage 160 112 R0
WINDOW 3 -66 153 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 1 0 1n 1n 1 2)
SYMBOL Misc\\EuropeanResistor 304 64 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 0.1
SYMBOL ind 320 880 R0
WINDOW 39 36 108 Left 2
SYMATTR InstName L3
SYMATTR Value flux=1m*40*tanh(x/40)
SYMATTR SpiceLine Rser=0
SYMBOL Misc\\EuropeanResistor 160 864 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 0.1
SYMBOL current 48 992 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I3
SYMATTR Value PWL(0 0 100m 100)
SYMBOL voltage -32 496 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL sw 80 432 R270
WINDOW 0 38 2 VRight 2
WINDOW 3 49 70 VRight 2
SYMATTR InstName S2
SYMATTR Value SW1
SYMBOL ind 432 464 R0
WINDOW 39 36 108 Left 2
SYMATTR InstName L2
SYMATTR Value 1m
SYMATTR SpiceLine Rser=0
SYMBOL voltage 160 496 R0
WINDOW 3 -66 153 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 1 0 1n 1n 1 2)
SYMBOL Misc\\EuropeanResistor 304 448 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 0.1
TEXT -48 -80 Left 2 !.model SW1 SW(Ron=1u Roff=1G Vt=0.5 Vh=-0.1)
TEXT -48 -152 Left 2 !.tran 0 50m 0 1u
TEXT -48 -120 Left 2 !.options plotwinsize=0
TEXT 512 72 Left 2 ;L=78.6% @ 20A
TEXT 512 456 Left 2 ;no sat.
TEXT 400 864 Left 2 ;V(L3) =1V/mH
TEXT -16 776 Left 2 ;Test Circuit Inductance
RECTANGLE Normal 704 1104 -32 752 2