Version 4
SHEET 1 880 680
WIRE 208 144 208 96
WIRE 160 224 128 224
WIRE 32 256 -48 256
WIRE 128 256 128 224
WIRE 128 256 112 256
WIRE 208 256 208 240
WIRE 336 256 208 256
WIRE 208 272 208 256
WIRE 128 288 128 256
WIRE 160 288 128 288
WIRE 208 400 208 368
FLAG -384 272 0
FLAG -288 272 0
FLAG -288 192 Vin
FLAG -48 256 Vin
FLAG -384 192 Vdd
FLAG 208 96 Vdd
FLAG -464 272 0
FLAG -464 192 Vss
FLAG 208 400 Vss
FLAG 336 336 0
SYMBOL nmos 160 144 R0
WINDOW 0 56 32 Invisible 0
WINDOW 3 56 72 Invisible 0
SYMATTR InstName M1
SYMATTR Value BSS123
SYMBOL voltage -288 176 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 52 126 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 10 1000)
SYMBOL voltage -384 176 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 -26 61 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value +25V
SYMBOL res 128 240 R90
WINDOW 0 0 56 Invisible 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL voltage -464 176 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 -26 61 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value -25V
SYMBOL pmos 160 368 M180
WINDOW 0 56 32 Invisible 0
WINDOW 3 56 72 Invisible 0
SYMATTR InstName M2
SYMATTR Value BSS84
SYMBOL res 320 240 R0
SYMATTR InstName Rload
SYMATTR Value 1K
TEXT -416 376 Left 0 !.tran 10ms
TEXT 224 192 Left 0 ;nMOS
TEXT 216 336 Left 0 ;pMOS