Version 4
SHEET 1 880 680
WIRE 0 -48 -160 -48
WIRE 144 -48 0 -48
WIRE 0 -16 0 -48
WIRE 144 -16 144 -48
WIRE -160 80 -160 -48
WIRE 144 96 144 64
WIRE 224 96 144 96
WIRE 464 96 288 96
WIRE 464 112 464 96
WIRE 144 128 144 96
WIRE 0 208 0 64
WIRE 0 208 -80 208
WIRE 96 208 0 208
WIRE 464 208 464 192
WIRE 144 256 144 224
WIRE 224 256 144 256
WIRE 336 256 288 256
WIRE 464 256 416 256
WIRE 464 272 464 256
WIRE -80 288 -80 208
WIRE 0 288 0 208
WIRE 144 288 144 256
WIRE -160 400 -160 160
WIRE -80 400 -80 352
WIRE -80 400 -160 400
WIRE 0 400 0 368
WIRE 0 400 -80 400
WIRE 144 400 144 368
WIRE 144 400 0 400
WIRE 464 400 464 352
WIRE 464 400 144 400
WIRE 0 416 0 400
FLAG 0 416 0
FLAG 464 208 0
DATAFLAG 32 208 "round($*1k)/1k"
DATAFLAG 192 256 "round($*1k)/1k"
DATAFLAG 192 96 "round($*1k)/1k"
DATAFLAG -96 -48 "round($*1k)/1k"
DATAFLAG 320 96 "round($*1k)/1k"
DATAFLAG 464 256 "round($*1k)/1k"
DATAFLAG 304 256 "round($*1k)/1k"
SYMBOL nmos 96 128 R0
SYMATTR InstName M1
SYMATTR Value NMOS1
SYMBOL Misc\\EuropeanResistor 128 272 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor 128 -32 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor -16 -32 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -16 272 R0
SYMATTR InstName R1
SYMATTR Value 40k
SYMBOL voltage 464 256 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 0
SYMATTR Value2 AC 1
SYMBOL cap 288 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100u
SYMBOL Misc\\EuropeanResistor 320 272 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName RS
SYMATTR Value 10
SYMBOL voltage -160 64 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL cap -96 288 R0
SYMATTR InstName C2
SYMATTR Value 1u
SYMBOL cap 288 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100u
SYMBOL Misc\\EuropeanResistor 448 96 R0
SYMATTR InstName RL
SYMATTR Value 10Meg
TEXT 56 -128 Left 2 !.model NMOS1 NMOS(Vto=1 Kp=0.5m)
TEXT -152 -168 Left 2 !.op
TEXT -152 -128 Left 2 ;.ac list 1k 2k
TEXT 56 -200 Left 2 ;Id=1mA  P=6mW\nUds > Ugs-Ut = 2V