Version 4 SHEET 1 1224 816 WIRE 432 32 432 0 WIRE 0 64 0 0 WIRE 432 144 432 112 WIRE 432 160 432 144 WIRE 0 208 0 144 WIRE 256 208 192 208 WIRE 352 208 336 208 WIRE 368 208 352 208 WIRE 192 256 192 208 WIRE 432 288 432 256 WIRE 192 400 192 336 FLAG 432 0 VCC FLAG 0 208 0 FLAG 0 0 VCC FLAG 432 144 C FLAG 192 400 0 FLAG 432 288 0 FLAG 352 208 B SYMBOL voltage 0 48 R0 SYMATTR InstName Vps1 SYMATTR Value 10V SYMBOL res 416 16 R0 SYMATTR InstName RC SYMATTR Value 1k SYMBOL npn 368 160 R0 SYMATTR InstName Q1 SYMATTR Value 2N696 SYMBOL voltage 192 240 R0 WINDOW 0 -85 21 Left 2 WINDOW 3 -74 96 Left 2 SYMATTR InstName VBB SYMATTR Value 10V SYMBOL res 352 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName RBB SYMATTR Value 2.2k TEXT 224 608 Left 2 !.DC Vbb 0V 5V 0.1V TEXT -152 472 Left 2 !.model 2N696 NPN (Is=14.34f Xti=3 Eg=1.11 Vaf=74.03 Bf=65.62 Ne=1.208\n+ Ise=19.48f Ikf=.2385 Xtb=1.5 Br=9.715 Nc=2 Isc=0 Ikr=0 Rc=1\n+ Cjc=9.393p Mjc=.3416 Vjc=.75 Fc=.5 Cje=22.01p Mje=.377 Vje=.75\n+ Tr=58.98n Tf=408.8p Itf=.6 Vtf=1.7 Xtf=3 Rb=10)