Version 4
SHEET 1 880 680
WIRE 448 -48 240 -48
WIRE 240 -16 240 -48
WIRE 448 64 448 -48
WIRE 240 112 240 64
WIRE 192 192 64 192
WIRE 64 224 64 192
WIRE 240 240 240 208
WIRE 448 240 448 144
WIRE 448 240 240 240
WIRE 240 256 240 240
WIRE 64 320 64 304
FLAG 64 320 0
FLAG 240 256 0
SYMBOL nmos 192 112 R0
SYMATTR InstName M1
SYMBOL res 224 -32 R0
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL voltage 448 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName VCC
SYMATTR Value 10V
SYMBOL voltage 64 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName PWM
SYMATTR Value PULSE(0 15 0 0 0 500u 1m)
TEXT 30 344 Left 2 !.tran 10m