Version 4 SHEET 1 2612 1528 WIRE 2128 1152 1984 1152 WIRE 1984 1200 1984 1152 WIRE 2128 1216 2128 1152 WIRE 1920 1248 1840 1248 WIRE 1840 1264 1840 1248 WIRE 1840 1360 1840 1344 WIRE 1984 1360 1984 1296 WIRE 2128 1360 2128 1296 FLAG 2128 1360 0 FLAG 1984 1360 0 FLAG 1840 1360 0 SYMBOL npn 1920 1200 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL voltage 2128 1200 R0 SYMATTR InstName V1 SYMATTR Value 0. SYMBOL current 1840 1344 M180 WINDOW 0 23 79 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName I1 SYMATTR Value 0. TEXT 1824 1408 Left 2 !.dc V1 0 15 10m I1 0 100u 10u TEXT 1992 1448 Top 1 ;This example schematic is supplied for informational/educational purposes only.