Version 4
SHEET 1 880 680
WIRE 160 80 32 80
WIRE 256 80 160 80
WIRE 32 112 32 80
WIRE 256 128 256 80
WIRE 32 240 32 192
WIRE 256 240 256 192
WIRE 256 240 32 240
WIRE 32 272 32 240
FLAG 32 272 0
FLAG 160 80 VF
SYMBOL diode 240 128 R0
SYMATTR InstName D1
SYMATTR Value DD
SYMBOL current 32 192 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I1
SYMATTR Value 1m
TEXT 24 320 Left 2 !.op
TEXT 24 360 Left 2 !.dc dec I1 1u 10m 20
TEXT 24 400 Left 2 !.model DD D(Is=1n N=1.5 RS=5 Ikf=200u)
TEXT 16 448 Left 2 ;.TEMP  25 75