Version 4 SHEET 1 4172 2856 WIRE 1360 624 1056 624 WIRE 1584 624 1360 624 WIRE 1808 624 1584 624 WIRE 1056 656 1056 624 WIRE 1360 656 1360 624 WIRE 1584 656 1584 624 WIRE 1808 656 1808 624 WIRE 1056 768 1056 736 WIRE 1360 784 1360 736 WIRE 1584 784 1584 736 WIRE 1808 784 1808 736 WIRE 1904 832 1856 832 WIRE 2112 832 2080 832 WIRE 1264 864 1056 864 WIRE 1312 864 1264 864 WIRE 1536 864 1504 864 WIRE 1760 864 1728 864 WIRE 2112 880 2112 832 WIRE 1056 896 1056 864 WIRE 1264 912 1264 864 WIRE 1504 912 1504 864 WIRE 1504 912 1264 912 WIRE 1728 912 1728 864 WIRE 1728 912 1504 912 WIRE 1056 1008 1056 976 WIRE 1360 1008 1360 880 WIRE 1584 1008 1584 880 WIRE 1808 1008 1808 880 WIRE 2112 1008 2112 960 FLAG 1056 768 0 FLAG 1056 1008 0 FLAG 1584 1008 0 FLAG 1360 1008 0 FLAG 1808 1008 0 FLAG 1904 832 T25 FLAG 2112 1008 0 FLAG 2080 832 T25 SYMBOL voltage 1056 880 R0 SYMATTR InstName V1 SYMATTR Value 5V SYMBOL res 1344 640 R0 SYMATTR InstName R1 SYMATTR Value 1µ SYMBOL voltage 1056 640 R0 SYMATTR InstName V2 SYMATTR Value 10V SYMBOL nmos 1312 784 R0 SYMATTR InstName M1 SYMATTR Value BS170 SYMATTR Prefix X SYMBOL res 1568 640 R0 SYMATTR InstName R2 SYMATTR Value 1µ SYMBOL nmos 1536 784 R0 SYMATTR InstName M2 SYMATTR Value BS170/ZX SYMATTR Prefix X SYMBOL res 1792 640 R0 SYMATTR InstName R3 SYMATTR Value 1µ SYMBOL xnmos4_T 1760 784 R0 SYMATTR InstName U1 SYMATTR SpiceModel BS/MMBF170 SYMBOL voltage 2112 864 R0 SYMATTR InstName V3 SYMATTR Value 25 TEXT 1056 376 Left 0 !.INCLUDE BS170.sub TEXT 1056 504 Left 0 !.OP TEXT 1056 440 Left 0 !.STEP lin V2 0 10 0.1 V1 0 6 1 TEXT 1064 328 Left 0 ;BS170 DC-Sweep Id(VGs,Vds) TEXT 1040 1120 Left 0 !* Model from Philips\n*\n.SUBCKT BS170 1 2 3\nCgs 2 3 12.3E-12\nCgd1 2 4 27.4E-12\nCgd2 1 4 6E-12\nM1 1 2 3 3 MOST1\nM2 4 2 1 3 MOST2\nD1 3 1 Dbody\n.MODEL MOST1 NMOS(Level=3 Kp=20.78u W=9.7m L=2u Rs=20m Vto=2 Rd=1.186)\n.MODEL MOST2 NMOS(VTO=-4.73 Kp=20.78u W=9.7m L=2u Rs=20m)\n.MODEL Dbody D(Is=125f N=1.023 Rs=1.281 Ikf=18.01 Cjo=46.3p M=.3423\n+ Vj=.4519 Bv=60 Ibv=10u Tt=161.6n)\n.ENDS TEXT 2000 1088 Left 0 !* ZETEX BS170_Z Mosfet Spice Subcircuit Last revision 3/5/00\n*\n.SUBCKT BS170/ZX 3 4 5\n* D G S\nM1 3 2 5 5 N3306M\nRG 4 2 270\nRL 3 5 1.2E8\nC1 2 5 28E-12\nC2 3 2 3E-12 \nD1 5 3 N3306D\n*\n.MODEL N3306M NMOS VTO=1.824 RS=1.572 RD=1.436 IS=1E-15 KP=.1233\n+CBD=35E-12 PB=1\n.MODEL N3306D D IS=5E-12 RS=.768\n.ENDS BS170 TEXT 1320 584 Left 0 ;Philips TEXT 1560 592 Left 0 ;Zetex TEXT 1752 592 Left 0 ;Fairchild TEXT 1296 1056 Left 0 ;nmos.asy TEXT 1520 1056 Left 0 ;nmos.asy TEXT 1744 1056 Left 0 ;xnmos4_t,asy TEXT 1136 1056 Left 0 ;Symbol -> TEXT 1496 328 Left 0 ;How to make a subcircuit symbol?\nCtrl-RightMouseClick on placed nmos-symbol\nChange Prefix:MN to Prefix:X