Version 4
SHEET 1 1092 680
WIRE 64 -80 -32 -80
WIRE 208 -80 128 -80
WIRE 352 -80 208 -80
WIRE 576 -80 352 -80
WIRE -32 -48 -32 -80
WIRE 208 -48 208 -80
WIRE 576 -32 576 -80
WIRE 208 80 208 32
WIRE 272 80 208 80
WIRE 416 80 272 80
WIRE 576 80 576 48
WIRE -32 96 -32 32
WIRE 208 96 208 80
WIRE 416 96 416 80
WIRE 496 112 464 112
WIRE 496 160 496 112
WIRE 496 160 464 160
WIRE 208 192 208 176
WIRE 416 192 416 176
WIRE 496 192 496 160
FLAG -32 96 0
FLAG 208 192 0
FLAG 576 80 0
FLAG 416 192 0
FLAG 496 192 0
DATAFLAG -32 -80 ""
DATAFLAG 272 80 ""
DATAFLAG 352 -80 ""
DATAFLAG 320 0 "I(V2)"
SYMBOL voltage -32 -64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL diode 64 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL voltage 208 -64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL res 192 80 R0
SYMATTR InstName R1
SYMATTR Value 1p
SYMBOL res 560 -48 R0
SYMATTR InstName R2
SYMATTR Value 6
SYMBOL sw 416 80 M0
SYMATTR InstName S1
TEXT -56 192 Left 2 !.tran 4
TEXT 296 8 Left 2 ;I(V2)
TEXT -56 256 Left 2 !.model sw sw(Ron=1u Roff=1T Vt=0.5)