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參數(shù)資料
| 型號： | ADL5375-15-EVALZ1 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 400 MHz to 6 GHz Broadband Quadrature Modulator |
| 中文描述： | 400 MHz至6 GHz的寬帶正交調制器 |
| 文件頁數(shù)： | 25/32頁 |
| 文件大小： | 1074K |
| 代理商： | ADL5375-15-EVALZ1 |
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ADL5375
GSM/EDGE OPERATION
The performance of the ADL5375 in a GSM/EDGE environ-
ment is shown in this section.
Figure 64 illustrates the 6 MHz offset noise of the ADL5375-05
and the ADL5375-15 vs. output power at 940 MHz. Figure 65
demonstrates how the 6 MHz offset noise is affected by varia-
tions in LO drive level for both versions of the ADL5375 at
940 MHz.
Rev. 0 | Page 25 of 32
0
6
OUTPUT POWER (dBm)
–107
–106
–105
–104
–103
–102
–101
–100
–99
–5
–4
–3
–2
–1
0
ADL5375-05
ADL5375-15
Figure 64. GSM/Edge (8-PSK) 6 MHz Offset Noise at 940 MHz vs. Output
Power,
LO Drive = 0 dBm
0
6
LO DRIVE (dBm)
–109
–108
–107
–106
–105
–104
–103
–102
–101
0
1
2
3
4
5
6
7
ADL5375-05
ADL5375-15
Figure 65. GSM/Edge (8-PSK) 6 MHz Offset Noise at 940 MHz vs. LO Drive,
Output Power = 0 dBm
W
-
CDMA OPERATION
The ADL5375 is suitable for W-CDMA operation. Figure 66
and Figure 67 show the adjacent and alternate channel power
ratios for the ADL5375-05 and ADL5375-15, respectively, at an
LO frequency of 2140 MHz.
–84
–82
–80
–78
–76
–74
–72
–70
–68
–66
–64
–62
–60
–18
–16
–14
–12
–10
–8
–6
–4
OUTPUT POWER (dBm)
A
0
ALTERNATE CPR
ADJACENT CPR
Figure 66. ADL5375-05 Single-Carrier W-CDMA Adjacent and Alternate
Channel Power vs. Output Power at 2140 MHz; LO Power = 0 dBm
–20
–58
–82
–80
–78
–76
–74
–72
–70
–68
–66
–64
–62
–60
–18
–16
–14
–12
–10
–8
–6
–4
OUTPUT POWER (dBm)
A
0
ALTERNATE CPR
ADJACENT CPR
Figure 67. ADL5375-15 Single-Carrier W-CDMA Adjacent and Alternate
Channel Power vs. Output Power at 2140 MHz; LO Power = 0 dBm
Figure 66 and Figure 67 show that both versions of the ADL5375
are able to deliver about or better than 72 dB ACPR at an
output power of 10 dBm.
Figure 68 and Figure 69 illustrate the sensitivity of the EVM to
variations in LO drive at 2140 MHz for the ADL5375-05 and
ADL5375-15 respectively.
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
–6
–4
–2
0
2
4
6
LO DRIVE (dBm)
C
0
SYMBOL EVM
COMPOSITE EVM
Figure 68. ADL5375-05 Single Carrier W-CDMA Composite and Symbol EVM
vs. LO Drive at 2140 MHz; Output Power = 10 dBm
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