Version 4
SHEET 1 880 680
WIRE -208 224 -208 304
WIRE -96 176 -96 128
WIRE -96 128 -208 128
WIRE -96 256 -96 304
WIRE -272 176 -336 176
WIRE -336 176 -336 208
WIRE -336 288 -336 304
FLAG -208 304 0
FLAG -96 304 0
FLAG -336 304 0
SYMBOL npn -272 128 R0
SYMATTR InstName Q1
SYMATTR Value 2N4401
SYMBOL voltage -96 160 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL current -336 288 M180
WINDOW 0 24 88 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName I1
SYMATTR Value 10u
TEXT -368 352 Left 0 !.dc dec I1 0.1u 1m 100