Version 4
SHEET 1 3168 1016
WIRE 112 176 -32 176
WIRE 112 240 112 176
WIRE -32 352 -32 176
WIRE -32 448 -32 432
WIRE 272 448 -32 448
WIRE -32 464 -32 448
WIRE -864 544 -864 480
WIRE -352 544 -416 544
WIRE -208 544 -272 544
WIRE -80 544 -128 544
WIRE -32 672 -32 560
FLAG -32 672 0
FLAG 112 320 0
FLAG -416 544 0
FLAG 272 448 Ud
FLAG -864 624 0
SYMBOL nmos -80 464 R0
WINDOW 3 56 120 Left 2
SYMATTR Value MY_NMOS
SYMATTR InstName Q3
SYMBOL res -48 336 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL bv 112 224 R0
SYMATTR InstName B2
SYMATTR Value V=70
SYMBOL current -352 544 R270
WINDOW 0 32 40 VTop 2
WINDOW 3 -32 40 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PULSE(0 10m 0 1e-10 1e-10 10e-6 2e-6 1)
SYMBOL bv -864 528 R0
SYMATTR InstName B1
SYMATTR Value V=idt(I(R2))
SYMBOL res -224 560 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 1
TEXT -440 184 Left 2 !.tran 0 2e-6 0 1e-10 uic
TEXT -1664 880 Left 4 !.model MY_NMOS VDMOS(Rg=3 Rd=.2 Rs=.2 Vto=2  Kp=1.5 Cgdmax=47p Cgdmin=40p Cgs=1000p Cjo=770p Is=9.2p Rb=.3 mfg=NXP Vds=100  Ron=0.23 Qg=20n)