Version 4
SHEET 1 956 680
WIRE 160 -32 -304 -32
WIRE 320 -32 160 -32
WIRE 352 -32 320 -32
WIRE 352 -16 352 -32
WIRE 80 96 16 96
WIRE 128 96 80 96
WIRE 224 96 128 96
WIRE -304 112 -304 -32
WIRE 320 112 320 -32
WIRE 352 128 352 64
WIRE 128 144 128 96
WIRE 224 144 224 96
WIRE 272 144 224 144
WIRE 432 176 400 176
WIRE -64 192 -176 192
WIRE 16 192 16 176
WIRE 16 192 -64 192
WIRE -176 208 -176 192
WIRE 16 208 16 192
WIRE 272 208 224 208
WIRE 80 288 16 288
WIRE 128 288 128 224
WIRE 128 288 80 288
WIRE 224 288 224 208
WIRE 224 288 128 288
WIRE -304 320 -304 192
WIRE -176 320 -176 288
WIRE -176 320 -304 320
WIRE -304 336 -304 320
FLAG 432 176 OUT
IOPIN 432 176 Out
FLAG -304 336 0
FLAG 80 96 DIFP
FLAG 80 288 DIFN
FLAG 160 -32 UDD
FLAG -64 192 UCOM
SYMBOL current 352 -16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 10µ
SYMBOL voltage 128 128 R0
WINDOW 39 0 0 Left 2
WINDOW 123 9 102 Left 2
WINDOW 3 -86 -74 Left 2
SYMATTR Value PULSE(-2m 2m 1u 2m 2m 1u 4002u)
SYMATTR InstName VDIF
SYMBOL res 0 192 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage -304 96 R0
WINDOW 39 0 0 Left 2
WINDOW 123 9 102 Left 2
WINDOW 3 31 78 Left 2
SYMATTR Value 3
SYMATTR InstName VDD
SYMBOL voltage -176 192 R0
WINDOW 39 0 0 Left 2
WINDOW 123 9 102 Left 2
WINDOW 3 -62 -36 Left 2
SYMATTR Value PULSE(0 3 0 100m 100m 1m 1)
SYMATTR InstName VCOM
SYMBOL Diff1 320 176 R0
SYMATTR InstName X1
SYMBOL res 0 80 R0
SYMATTR InstName R1
SYMATTR Value 1k
TEXT 0 328 Left 2 !.include C:/Programs/LTspiceIV/lib/sub/AMSlev49.sub
TEXT 256 288 Left 2 !.tran 0 100m 0