公开(公告)号：WO2012033801A2

公开(公告)日：2012-03-15

申请号：PCT/US2011/050633

申请日：2011-09-07

Applicant: RF MICRO DEVICES, INC.

Inventor： LEVESQUE, Chris ,  BERCHTOLD, Jean-Christophe ,  COLLES, Joseph, Hubert ,  DEUCHARS, Robert ,  SOUTHCOMBE, William, David ,  ZIMLICH, David ,  JONES, David, E. ,  YODER, Scott ,  STOCKERT, Terry, J.

IPC: H03F3/68

CPC classification number: H03C3/09 ,  H02M3/07 ,  H02M3/156 ,  H02M2001/0064 ,  H02M2001/008 ,  H03F1/0227 ,  H03F1/0261 ,  H03F1/0277 ,  H03F1/52 ,  H03F1/523 ,  H03F1/56 ,  H03F3/189 ,  H03F3/195 ,  H03F3/24 ,  H03F3/68 ,  H03F3/72 ,  H03F2200/102 ,  H03F2200/171 ,  H03F2200/18 ,  H03F2200/27 ,  H03F2200/336 ,  H03F2200/411 ,  H03F2200/414 ,  H03F2200/417 ,  H03F2200/421 ,  H03F2200/426 ,  H03F2200/429 ,  H03F2200/504 ,  H03F2200/555 ,  H03F2203/21106 ,  H03F2203/21142 ,  H03F2203/21145 ,  H03F2203/21157 ,  H03F2203/21175 ,  H03F2203/7209 ,  H03F2203/7221 ,  H03F2203/7236 ,  H03G3/3042 ,  H03J7/04 ,  H04B1/405

Abstract: The present disclosure relates to a radio frequency (RF) communications system, which may include any or all of RF modulation and control circuitry, RF power amplifier (PA) circuitry, a direct current (DC)-DC converter, transceiver circuitry, and front-end aggregation circuitry. Embodiments of the RF communications system may relate to reducing cost, reducing size, reducing complexity, increasing efficiency, increasing performance, the like, or any combination thereof.

Abstract translation: 本公开涉及射频（RF）通信系统，其可以包括RF调制和控制电路，RF功率放大器（PA）电路，直流（DC）-DC转换器，收发器电路和前端 - 聚合电路。 RF通信系统的实施例可以涉及降低成本，减小尺寸，降低复杂性，提高效率，增加性能等，或其任何组合。

公开(公告)号：WO2011119659A1

公开(公告)日：2011-09-29

申请号：PCT/US2011/029506

申请日：2011-03-23

Applicant: RF MICRO DEVICES, INC.

Inventor： BAUDER, Ruediger

IPC: H01Q1/52 ,  H01Q21/00

CPC classification number: H01Q1/521

Abstract: An adaptive antenna neutralization network (AANN) for neutralizing coupling between a first antenna and a second antenna of a mobile terminal is disclosed. The AANN includes an array of reactive branches. Each of the reactive branches includes a reactive element and an electrically controlled switch with a control input for selectively coupling the reactive element between the first antenna and the second antenna. Also included is a switch driver having an output coupled to the control input of each electrically controlled switch, and a controller having an output for sending control signals to the switch driver to turn on or off individual ones of the electrically controlled switches in response to conditions that indicate a coupling state between the first antenna and the second antenna.

Abstract translation: 公开了一种用于中和移动终端的第一天线和第二天线之间的耦合的自适应天线中和网络（AANN）。 AANN包括一系列反应性分支。 每个无功分支包括电抗元件和具有用于选择性地耦合第一天线和第二天线之间的电抗元件的控制输入的电控开关。 还包括具有耦合到每个电控开关的控制输入的输出的开关驱动器，以及控制器，具有用于响应于条件向开关驱动器发送控制信号以打开或关闭单个电控开关的输出 其指示第一天线和第二天线之间的耦合状态。

公开(公告)号：WO2006029082A3

公开(公告)日：2007-01-25

申请号：PCT/US2005031544

申请日：2005-09-06

Applicant: RF MICRO DEVICES INC

Inventor： HIETALA ALEXANDER WAYNE ,  NGO CHRIS

IPC: H04L27/20

CPC classification number: H04L27/2017 ,  H04L27/0008

Abstract: A system and method are provided for transitioning between modulation formats in adjacent transmit bursts. The system includes a modulation system having a data interface, first modulation circuitry operating according to a first modulation format, and second modulation circuitry operating according to a second modulation format. During a transition between a first transmit burst in the first modulation format and a second transmit burst in the second modulation format, the data interface receives a timing signal signifying a start of data for the second transmit burst. In response to the timing signal, the second modulation circuitry resets, and the data interface delays the data for the second transmit burst by a modulator delay time. By delaying the data for the second transmit burst, a glitch caused by resetting the second modulation circuitry arrives at the output of the second modulation circuitry prior to the data for the second transmit burst.

Abstract translation: 提供了一种用于在相邻发射脉冲串中的调制格式之间转换的系统和方法。 该系统包括具有数据接口的调制系统，根据第一调制格式操作的第一调制电路和根据第二调制格式操作的第二调制电路。 在第一调制格式的第一发送突发与第二调制格式的第二发送突发之间的转换期间，数据接口接收表示第二发送突发的数据开始的定时信号。 响应于定时信号，第二调制电路复位，并且数据接口将第二发射脉冲串的数据延迟调制器延迟时间。 通过延迟第二发送脉冲串的数据，由第二调制电路复位引起的毛刺在第二发射脉冲串的数据之前到达第二调制电路的输出端。

公开(公告)号：WO2006083396A2

公开(公告)日：2006-08-10

申请号：PCT/US2005/044839

申请日：2005-12-12

Applicant: RF MICRO DEVICES, INC.

Inventor： HUMPHREYS, Scott, Robert ,  BUNCH, Ryan ,  HUNT, Barry, Travis, Jr.

IPC: H03L7/00

CPC classification number: H03L7/1976 ,  H03C3/0966 ,  H03L7/23 ,  H03L2207/12

Abstract: A fractional-N offset phase locked loop (FN-OPLL) is provided. The FN-OPLL includes a fractional divider, a phase detector, a loop filter, a voltage controlled oscillator (VCO), and feedback circuitry. Combiner circuitry combines an initial fractional divide value and a modulation signal to provide a combined fractional divide value. Based on the combined fractional divide value, the fractional-N divider divides a reference frequency and provides a divided reference frequency to the phase detector. The phase detector compares a phase of the divided reference frequency to a phase of a feedback signal to provide a comparison signal. The comparison signal is filtered by the loop filter to provide a control signal to the VCO, where the control signal controls a frequency of an output signal of the VCO. The output signal is processed by the feedback circuitry to provide the feedback signal to the phase detector.

Abstract translation: 提供了一个分数N偏移锁相环（FN-OPLL）。 FN-OPLL包括分数分频器，相位检测器，环路滤波器，压控振荡器（VCO）和反馈电路。 组合器电路组合初始分数除法值和调制信号以提供组合分数除数值。 基于组合分数除法，分数N分频器划分参考频率，并向相位检测器提供分频参考频率。 相位检测器将分频参考频率的相位与反馈信号的相位进行比较，以提供比较信号。 比较信号由环路滤波器滤波，以向VCO提供控制信号，其中控制信号控制VCO的输出信号的频率。 输出信号由反馈电路处理，以将反馈信号提供给相位检测器。

公开(公告)号：WO2006068862A2

公开(公告)日：2006-06-29

申请号：PCT/US2005/044794

申请日：2005-12-12

Applicant: RF MICRO DEVICES, INC.

Inventor： LINSKY, Joel, B. ,  MILLER, Ryan

IPC: H03D1/00 ,  H04B1/10

CPC classification number: H04L25/0206 ,  H04B1/715 ,  H04B17/336

Abstract: A system and method for classifying channels in a frequency hopping wireless communication system is provided. A data collection engine operates to obtain channel metrics indicating the level of interference for each channel used by the wireless communication system. A data analysis engine operates to provide a channel map for adaptive frequency hopping (AFH) and/or a channel map for channel avoidance. More specifically, the data analysis engine first operates to filter the channel metrics to remove channel metrics indicative of frequency hopping interference. Next, the channels are divided into a number of channel blocks each including at least two adjacent channels. For each channel block, the channel metrics of the channels within the channel block are combined to provide a metric sum. The data analysis engine then operates to classify each channel as usable or unusable based on the metric sums for each of the channel blocks.

Abstract translation: 提供了一种用于在跳频无线通信系统中对信道进行分类的系统和方法。 数据收集引擎进行操作以获得指示无线通信系统使用的每个信道的干扰水平的信道度量。 数据分析引擎用于提供用于自适应跳频（AFH）的频道映射和/或用于避免频道的频道映射。 更具体地说，数据分析引擎首先操作以过滤信道量度以去除指示跳频干扰的信道量度。 接下来，将频道分成多个频道块，每个频道块包括至少两个相邻频道。 对于每个通道块，通道块内的通道的通道度量被组合以提供度量和。 然后数据分析引擎根据每个通道块的度量和将每个通道分类为可用或不可用。

公开(公告)号：WO2005022740A3

公开(公告)日：2005-03-10

申请号：PCT/IB2004/002631

申请日：2004-08-12

Applicant: NOKIA CORPORATION ,  NOKIA, INC. ,  RF MICRO DEVICES, INC. ,  KALAJO, Sami ,  JARVINEN, Esko ,  VINTOLA, Ville ,  TAMBORINO, Frank, Anthony ,  KOPP, William, Sheridan

Inventor： KALAJO, Sami ,  JARVINEN, Esko ,  VINTOLA, Ville ,  TAMBORINO, Frank, Anthony ,  KOPP, William, Sheridan

IPC: H01Q11/12

Abstract: An RF power amplifier module can be used without a matching device between the power amplifier module and an antenna. The power amplifier module is constructed and operated to detect, protect and maintain the performance of the power amplifier in the presence of severe VSWR load mismatches, without requiring the use of external circuitry. The RF power amplifier module includes integral detection circuitry for generating a first detection signal having a value that is indicative of the current flowing through an output power transistor and a second detection signal having a value that is indicative the voltage appearing at the output of the output power transistor, as well as integral compensation circuitry for controlling the generation of a plurality of bias current and bias voltage signals to have values that are a function of the values of the first and second detection signals, as well as the current output power level of the RF power amplifier module. Also included is an integral impedance matching circuit, coupled between the output of the output transistor and the output node,. that provides a variable impedance that is selectively controlled by an output signal from the compensation circuitry.

公开(公告)号：WO2004107832A1

公开(公告)日：2004-12-09

申请号：PCT/US2004/015799

申请日：2004-05-20

Applicant: RF MICRO DEVICES, INC.

Inventor： WALKER, Jeffrey, Scott ,  BULLIS, Joseph, Byron

IPC: H05K3/32

CPC classification number: H05K3/321 ,  H01L24/29 ,  H01L24/32 ,  H01L2924/01029 ,  H05K3/305 ,  H05K3/3442 ,  H05K2201/0209 ,  H05K2201/0215 ,  H05K2201/10636 ,  H05K2201/2036 ,  Y02P70/611 ,  Y02P70/613

Abstract: The present invention relates to electrically attaching a surface mount device (10) to a mounting structure (12) via their respective contact pads (14, 16) using an attach material (28), such as solder or conductive epoxy, which includes a filler material (30). In general, the filler material is relatively solid and granular shaped, wherein the diameter of the filler material controls a mounting distance (d) between the surface mount device and the mounting structure. The filler allows a desired distance to be maintained during initial placement of the surface mount device and any subsequent reheating.

Abstract translation: 本发明涉及通过使用诸如焊料或导电环氧树脂的附着材料（28），通过它们各自的接触焊盘（14,16）将表面安装装置（10）电连接到安装结构（12），其包括填料 材料（30）。 通常，填充材料相对固体和颗粒状，其中填充材料的直径控制表面安装装置和安装结构之间的安装距离（d）。 填充物允许在表面安装装置的初始放置期间和随后的再加热期间保持期望的距离。

公开(公告)号：WO2004084392A3

公开(公告)日：2004-12-09

申请号：PCT/US2004007307

申请日：2004-03-11

Applicant: RF MICRO DEVICES INC

Inventor： DENING DAVID

IPC: H02M3/156 ,  H03K7/08 ,  H03K7/10 ,  H04B15/02 ,  H04B15/04

CPC classification number: H04B15/02 ,  H02M1/44 ,  H02M3/156 ,  H03K7/08 ,  H03K7/10 ,  H04B15/04 ,  H04B2215/067

Abstract: A DC-DC converter includes a variable frequency oscillator (36), a control system and a power train. The DC-DC converter is well suited for use in a cell phone. The control system uses the output of the oscillator to control the power train. The oscillator varies its frequency as a function of a pseudo random number generator (60), thereby reducing electromagnetic interference caused by ripple in the output of the DC-DC converter.

Abstract translation: DC-DC转换器包括可变频率振荡器（36），控制系统和传动系。 DC-DC转换器非常适用于手机。 控制系统使用振荡器的输出来控制动力传动系。 该振荡器作为伪随机数发生器（60）的函数改变其频率，从而减小由DC-DC转换器的输出中的纹波引起的电磁干扰。

公开(公告)号：WO2004102813A2

公开(公告)日：2004-11-25

申请号：PCT/US2004/014055

申请日：2004-05-05

Applicant: RF MICRO DEVICES, INC.

Inventor： SHAN, Peijun

IPC: H04B

CPC classification number: H04B1/70757 ,  H04B1/7115 ,  H04L25/0212

Abstract: The present invention provides a method and apparatus for estimating a multipath channel with sub-chip resolution. In general, secondary signals are characterized based on correlating a received signal including multipath signals, which include a main and the secondary signals, with a pseudo-random noise code. An inverse filter operates to increase a temporal resolution of results of the correlation of the received signal and the pseudo-random noise code, thereby allowing secondary multipath signals occurring within the same chip interval as another multipath signal to be detected and estimated correctly.

Abstract translation: 本发明提供一种用于估计具有子芯片分辨率的多径信道的方法和装置。 通常，二次信号的特征在于，将包括主信号和次信号的多径信号的接收信号与伪随机噪声码相关。 逆滤波器用于增加接收信号和伪随机噪声码的相关结果的时间分辨率，从而允许在与另一个多径信号相同的码片间隔内发生的次多径信号被正确检测和估计。

公开(公告)号：WO2004084392A2

公开(公告)日：2004-09-30

申请号：PCT/US2004/007307

申请日：2004-03-11

Applicant: RF MICRO DEVICES, INC.

Inventor： DENING, David

IPC: H02M

CPC classification number: H04B15/02 ,  H02M1/44 ,  H02M3/156 ,  H03K7/08 ,  H03K7/10 ,  H04B15/04 ,  H04B2215/067

Abstract: A DC-DC converter includes a variable frequency oscillator, a control system and a power train. The DC-DC converter is well suited for use in a cell phone. The control system uses the output of the oscillator to control the power train. The oscillator varies its frequency as a function of a pseudo random number generator, thereby reducing electromagnetic interference caused by ripple in the output of the DC-DC converter.

Abstract translation: DC-DC转换器包括可变频率振荡器，控制系统和传动系。 DC-DC转换器非常适用于手机。 控制系统使用振荡器的输出来控制动力传动系。 振荡器根据伪随机数发生器改变其频率，从而减少由DC-DC转换器的输出中的纹波引起的电磁干扰。