Version 4
SHEET 1 880 680
WIRE 112 112 16 112
WIRE 272 112 192 112
WIRE 16 144 16 112
WIRE 272 160 272 112
WIRE 16 256 16 224
WIRE 272 256 272 224
WIRE 272 256 16 256
WIRE 16 288 16 256
FLAG 16 288 0
FLAG 272 112 vf
SYMBOL diode 256 160 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor 96 128 R270
WINDOW 0 27 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL voltage 16 128 R0
SYMATTR InstName V1
SYMATTR Value 1
TEXT 8 32 Left 0 !.op
TEXT 8 0 Left 0 !.step temp 0 100 1