–80
–70
–60
–50
–40
–30
–20
–10
0
ATTENUATION (db)
V
CC
= 3.3v/2.5v/1.8v
T
一个
= 25ºC
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
ATTENUATION (db)
V
CC
= 3.3v/2.5v/1.8v
T
一个
= 25ºC