
AD9780/AD9781/AD9783
–50
–55
–60
–65
245.76MSPS
–70
–75
–80
–85
–90
491.52MSPS
–50
–55
–60
–65
–70
–3dB
–75
–80
–85
–90
0dB
ACLR ( DBC)
06936-029
f
OUT
(兆赫)
f
OUT
(兆赫)
图29. AD9783 ACLR为第一相邻波段单载波W- CDMA
基带和混合模式, FS = 20毫安
–50
–55
–60
–65
–70
245.76MSPS
–75
–80
–85
–90
491.52MSPS
图32. AD9783 ACLR为第一邻道双载波W- CDMA
通过数字输入电平基带和混合模式,在491.52 MSPS ,
FS = 20毫安
–50
–55
–60
–65
–70
–75
–80
0dB
–85
–90
–3dB
ACLR ( DBC)
06936-030
f
OUT
(兆赫)
f
OUT
(兆赫)
图30. AD9783 ACLR为第二相邻波段单载波W- CDMA
基带和混合模式, FS = 20毫安
–50
–55
–60
–65
–70
–75
–80
–85
–90
245.76MSPS
491.52MSPS
图33. AD9783 ACLR为第二相邻信道双载波W- CDMA
通过数字输入电平基带和混合模式,在491.52 MSPS ,
FS = 20毫安
–50
–55
–60
–65
–70
–75
–80
0dB
06936-034
ACLR ( DBC)
ACLR ( DBC)
–3dB
–85
06936-031
0
100
200
300
400
500
–90
0
100
200
300
400
500
f
OUT
(兆赫)
f
OUT
(兆赫)
图31. AD9783 ACLR第三相邻波段单载波W- CDMA
基带和混合模式, FS = 20毫安
图34. AD9783 ACLR为三邻道双载波W- CDMA
通过数字输入电平基带和混合模式,在491.52 MSPS ,
FS = 20毫安
版本A |第13页36
06936-033
0
100
200
300
400
500
ACLR ( DBC)
0
100
200
300
400
500
06936-032
0
100
200
300
400
500
ACLR ( DBC)
0
100
200
300
400
500