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參數(shù)資料
| 型號(hào)： | AP561-F |
| 元件分類： | 放大器 |
| 英文描述： | 2300 MHz - 2900 MHz RF/MICROWAVE NARROW BAND HIGH POWER AMPLIFIER |
| 封裝： | 6 X 5 MM, GREEN, MO-229VJGC, DFN-14 |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大?。?/td> | 465K |
| 代理商： | AP561-F |
Specifications and information are subject to change without notice
WJ Communications, Inc
Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: sales@wj.com Web site: www.wj.com, www.TriQuint.com
Page 6 of 8 April 2008 v1
AP561
2.3-2.9 GHz WiMAX 8W Power Amplifier
2.3 – 2.9 GHz Application Note: Changing Icq Biasing Configurations
The AP561 can be configured to operate with lower bias current by varying the bias-adjust resistor R2. (Table 1) The
recommended circuit configurations shown previously in this datasheet have the device operating with a 300 mA as the
quiescent current (ICQ). This biasing level represents a tradeoff in terms of EVM and efficiency. Lowering ICQ will improve
upon the efficiency of the device, but degrade the EVM performance. Measured data shown in the plots below represents the
AP561 measured and configured for 2.4 GHz applications. It is expected that variation of the bias current for other frequency
applications will produce similar performance results.
Table 1 : Reduced Current Operation
Icq
(mA)
R2
()
VPD
(V)
PIN_VPD
(V)
300
330
5
2.85
280
300
5
2.81
260
280
5
2.78
240
261
5
2.76
220
249
5
2.73
200
232
5
2.71
EVM vs. Output Average Power vs. Icq
f=2.4 GHz
0
1
2
3
4
28
29
30
31
32
Pout (dBm)
EVM
(
%
)
200mA
220mA
240mA
260mA
280mA
300mA
Efficiency vs. Output Average Power vs Icq
f=2.4 GHz,
8
10
12
14
16
18
28
29
30
31
32
Pout (dBm)
Efficiency
(%)
200mA
220mA
240mA
260mA
280mA
300mA
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AP561-PCB | 功能描述:放大器 IC 開發(fā)工具 2.4-2.7GHz Eval Brd 1W 12V RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| AP561-PCB2140 | 功能描述:放大器 IC 開發(fā)工具 2110-2170MHz Eval Board RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| AP561-PCB2500 | 功能描述:射頻開發(fā)工具 2.4-2.7GHz Eval Brd 1W 12V RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評(píng)估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
| AP561-PCB900 | 功能描述:放大器 IC 開發(fā)工具 869-894MHz Eval Board RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| AP561TR | 制造商:TriQuint Semiconductor 功能描述:RF & MW POWER AMPLIFIER |
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