Version 4
SHEET 1 880 680
WIRE 432 0 224 0
WIRE 224 16 224 0
WIRE 224 128 224 96
WIRE 320 128 224 128
WIRE 224 144 224 128
WIRE 224 160 224 144
WIRE 432 176 432 0
WIRE 16 208 -112 208
WIRE 128 208 96 208
WIRE 160 208 128 208
WIRE 272 208 240 208
WIRE -112 224 -112 208
WIRE -112 336 -112 304
WIRE -112 432 -112 416
WIRE 224 432 224 256
WIRE 224 432 -112 432
WIRE 272 432 272 208
WIRE 272 432 224 432
WIRE 320 432 320 128
WIRE 320 432 272 432
WIRE 432 432 432 256
WIRE 432 432 320 432
WIRE 224 448 224 432
FLAG 224 448 0
FLAG 128 208 UGS
FLAG 224 144 UDS
SYMBOL voltage -112 432 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
SYMATTR InstName VGS
SYMATTR Value 0.93
SYMBOL voltage 432 272 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
SYMATTR InstName VDS
SYMATTR Value 3
SYMBOL res 208 0 R0
SYMATTR InstName RL
SYMATTR Value 100k
SYMBOL voltage -112 208 R0
WINDOW 123 24 34 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1 0
SYMATTR InstName V1
SYMATTR Value ""
SYMBOL res 112 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RS
SYMATTR Value 150k
SYMBOL AMScells\\p4 176 160 R0
SYMATTR InstName U1
TEXT -24 496 Left 2 !.include C:/programs/LTspiceIV/lib/sub/AMSlev49.sub
TEXT -24 464 Left 2 !;dc VGS 0 -3 -1m
TEXT 24 384 Left 2 !;op
TEXT -32 336 Left 2 !.ac dec 10 10k 1G