Version 4
SHEET 1 1208 680
WIRE 208 0 -128 0
WIRE 208 80 208 0
WIRE -128 128 -128 0
WIRE 448 160 272 160
WIRE 448 176 448 160
WIRE 576 336 576 288
WIRE 800 336 576 336
WIRE 1040 336 800 336
WIRE 208 400 208 240
WIRE 448 400 448 256
WIRE 448 400 208 400
WIRE 208 416 208 400
WIRE 320 416 208 416
WIRE 448 416 448 400
WIRE 208 432 208 416
WIRE 800 432 800 416
WIRE 800 432 576 432
WIRE 992 432 992 416
WIRE 992 432 800 432
WIRE 1040 432 992 432
WIRE 320 448 320 416
WIRE 208 544 208 512
WIRE 320 544 320 512
WIRE 320 544 208 544
WIRE 800 560 800 432
WIRE 800 560 640 560
WIRE 640 576 640 560
WIRE -128 640 -128 208
WIRE 32 640 -128 640
WIRE 208 640 208 624
WIRE 208 640 32 640
WIRE 32 656 32 640
FLAG 32 656 0
FLAG 640 576 0
SYMBOL LM334 208 160 R0
SYMATTR InstName U1
SYMBOL voltage -128 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL res 432 160 R0
SYMATTR InstName R2
SYMATTR Value {R2}
SYMBOL res 192 416 R0
SYMATTR InstName R3
SYMATTR Value 5k
SYMBOL ind 192 528 R0
SYMATTR InstName L1
SYMATTR Value 100n
SYMBOL cap 304 448 R0
SYMATTR InstName C1
SYMATTR Value 75p
SYMBOL nmos 528 336 R0
SYMATTR InstName M1
SYMATTR Value FDW2503NZ
SYMBOL res 784 320 R0
SYMATTR InstName R1
SYMATTR Value 1000
SYMBOL nmos 992 336 R0
SYMATTR InstName M2
SYMATTR Value FDW2503NZ
TEXT -592 176 Left 2 !.step param R2 1 10000 50
TEXT -376 40 Left 2 !.op
TEXT -680 360 Left 2 ;.step param R2 list 100 1000 10000
TEXT -608 240 Left 2 ;.step param R9 100 1000 5