Version 4 SHEET 1 1224 816 WIRE 608 96 432 96 WIRE 432 144 432 96 WIRE 432 160 432 144 WIRE 608 160 608 96 WIRE 368 208 224 208 WIRE 224 240 224 208 WIRE 224 352 224 320 WIRE 432 352 432 256 WIRE 432 352 224 352 WIRE 608 352 608 240 WIRE 608 352 432 352 WIRE 432 384 432 352 FLAG 432 144 C FLAG 432 384 0 SYMBOL npn 368 160 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL voltage 608 144 R0 SYMATTR InstName VCE SYMATTR Value 5V SYMBOL current 224 320 R180 WINDOW 0 24 80 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName IB SYMATTR Value 10µA TEXT 424 488 Left 2 !.OP TEXT 368 440 Left 2 ;Spice Directive