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1. 发明申请

WO2002069682A2 A COMPACT, HIGH EFFICIENCY, HIGH ISOLATION POWER AMPLIFIER 审中-公开
标题翻译：高精度，高隔离功率放大器
公开(公告)号：WO2002069682A2
公开(公告)日：2002-09-06
申请号：PCT/US2002/005939
申请日：2002-02-27
申请人： ANDREW CORPORATION
发明人： KOOKER, Robert, W. , WHITE, Paul, E. , BACHMAN, Thomas, A., II
IPC分类号： H05K5/00
CPC分类号： H05K9/0037
摘要： A power feedforward amplifier (10) uses integral cavities (228-244, 252-264, 268-278) to provide RF isolation between subcircuits of the power amplifier. The chassis (202) includes a main chassis body (206) and a lid structure (204) adapted to couple with the chassis body (206) and define the subcircuit cavities. The inner lid (204) includes an amplifier dividing wall (218) and interstage walls (227, 280) adapted to isolate the main and error amplifier subcircuits of the feedforward power amplifier (10) and further to isolate individual components of the subcircuits. In one embodiment, the amplifier subcircuits are mounted on a single circuit board (221) and isolated from each other by the dividing wall (218a). A delay line subcircuit portion (290) is integral with the main chassis body and is coupled beneath the error amplifier subcircuit (216) to contain and electromagnetically shield a delay line filter subcircuit (290) while providing direct connection (330) with the error amplifier (216).
摘要翻译：功率前馈放大器（10）使用集成腔（228-244,252-264,268-278）来在功率放大器的子电路之间提供RF隔离。底盘（202）包括主底盘主体（206）和适于与底架主体（206）联接并限定子电路腔的盖结构（204）。内盖（204）包括放大器分隔壁（218）和级间壁（227,280），其适于隔离前馈功率放大器（10）的主和误差放大器子电路，并进一步隔离子电路的各个部件。在一个实施例中，放大器子电路安装在单个电路板（221）上，并通过分隔壁（218a）彼此隔离。延迟线分支部分（290）与主机架主体成一体，并且被耦合在误差放大器子电路（216）的下方，以容纳和电磁屏蔽延迟线路滤波器子电路（290），同时与误差放大器直接连接（330）（216）。

2. 发明申请

WO2002069682A3 A COMPACT, HIGH EFFICIENCY, HIGH ISOLATION POWER AMPLIFIER 审中-公开
公开(公告)号：WO2002069682A3
公开(公告)日：2002-09-06
申请号：PCT/US2002/005939
申请日：2002-02-27
申请人： ANDREW CORPORATION
发明人： KOOKER, Robert, W. , WHITE, Paul, E. , BACHMAN, Thomas, A., II
IPC分类号： H05K5/00
摘要： A power feedforward amplifier (10) uses integral cavities (228-244, 252-264, 268-278) to provide RF isolation between subcircuits of the power amplifier. The chassis (202) includes a main chassis body (206) and a lid structure (204) adapted to couple with the chassis body (206) and define the subcircuit cavities. The inner lid (204) includes an amplifier dividing wall (218) and interstage walls (227, 280) adapted to isolate the main and error amplifier subcircuits of the feedforward power amplifier (10) and further to isolate individual components of the subcircuits. In one embodiment, the amplifier subcircuits are mounted on a single circuit board (221) and isolated from each other by the dividing wall (218a). A delay line subcircuit portion (290) is integral with the main chassis body and is coupled beneath the error amplifier subcircuit (216) to contain and electromagnetically shield a delay line filter subcircuit (290) while providing direct connection (330) with the error amplifier (216).

3. 发明申请

WO2002071599A1 SCANNING RECEIVER FOR USE IN POWER AMPLIFIER LINEARIZATION 审中-公开
标题翻译：用于功率放大器线性化的扫描接收器
公开(公告)号：WO2002071599A1
公开(公告)日：2002-09-12
申请号：PCT/US2002/006774
申请日：2002-03-06
申请人： ANDREW CORPORATION
发明人： BACHMAN, Thomas, A., II , KOOKER, Robert, W. , WHITE, Paul, E. , EVERLINE, Paul , SYNDER, Robert , JANUARY, David, M. , SARVER, Leonard , SHENENBERGER, Philip
IPC分类号： H03F1/32
CPC分类号： H03F1/3229
摘要： A feed forward power amplifier system and method identify active channels across a frequency band to suppress unwanted intermodulation distortion (IMD) products in a communications signal such as a single- or multi-carrier communications signal. A scanning receiver (144) identifies at least one active channel in a frequency band, and identifies at least one portion of the frequency band likely to include IMD products based upon the identified active channel(s). Based upon the identified portion of the frequency band, IMD products are suppressed from the communications signal, e.g., by controlling the magnitude and/or phase of a suppression signal mixed with the communications signal.
摘要翻译：前馈功率放大器系统和方法识别跨频带的有源信道，以抑制诸如单载波或多载波通信信号的通信信号中的不必要的互调失真（IMD）产物。扫描接收器（144）识别频带中的至少一个有效信道，并且基于所识别的活动信道来识别可能包括IMD产品的频带的至少一部分。基于所识别的频带部分，例如通过控制与通信信号混合的抑制信号的幅度和/或相位，从通信信号抑制IMD产物。

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