Datasheet

AD9122
Rev. B | Page 15 of 60
–
77
–84
–83
–82
–81
–80
–79
–78
0 50 100 150 200 250
ACLR (dBc)
f
OUT
(MHz)
0dBFS
–3dBFS
–6dBFS
08281-125
Figure 28. One-Carrier W-CDMA ACLR vs. f
OUT
over Digital Scale,
Adjacent Channel, PLL Off
–
78
–90
–88
–86
–84
–82
–80
0 50 100 150 200 250
ACLR (dBc)
f
OUT
(MHz)
0dBFS
–3dBFS
–6dBFS
08281-126
Figure 29. One-Carrier W-CDMA ACLR vs. f
OUT
over Digital Scale,
First Alternate Channel, PLL Off
–
70
–95
–90
–85
–80
–75
0 50 100 150 200 250
ACLR (dBc)
f
OUT
(MHz)
0dBFS
–3dBFS
–6dBFS
08281-127
Figure 30. One-Carrier W-CDMA ACLR vs. f
OUT
over Digital Scale,
Second Alternate Channel, PLL Off
–
50
–55
–60
–65
–70
–75
–80
–85
–90
0 100 200 300 400 500
ACLR (dBc)
f
OUT
(MHz)
INTERPOLATION FACTOR = 2×, PLL OFF
INTERPOLATION FACTOR = 4×, PLL OFF
INTERPOLATION FACTOR = 2×, PLL ON
INTERPOLATION FACTOR = 4×, PLL ON
08281-128
Figure 31. One-Carrier W-CDMA ACLR vs. f
OUT
over Interpolation,
Adjacent Channel, PLL On and PLL Off
–
70
–72
–74
–76
–78
–80
–82
–84
–86
–88
–90
0 100 200 300 400 500
ACLR (dBc)
f
OUT
(MHz)
INTERPOLATION FACTOR = 2×, PLL OFF
INTERPOLATION FACTOR = 4×, PLL OFF
INTERPOLATION FACTOR = 2×, PLL ON
INTERPOLATION FACTOR = 4×, PLL ON
08281-129
Figure 32. One-Carrier W-CDMA ACLR vs. f
OUT
over Interpolation,
First Alternate Channel, PLL On and PLL Off
–
70
–95
–90
–85
–80
–75
0 100 200 300 400 500
ACLR (dBc)
f
OUT
(MHz)
INTERPOLATION FACTOR = 2×, PLL OFF
INTERPOLATION FACTOR = 4×, PLL OFF
INTERPOLATION FACTOR = 2×, PLL ON
INTERPOLATION FACTOR = 4×, PLL ON
08281-130
Figure 33. One-Carrier W-CDMA ACLR vs. f
OUT
over Interpolation,
Second Alternate Channel, PLL On and PLL Off