公开(公告)号：US20080139150A1

公开(公告)日：2008-06-12

申请号：US11618716

申请日：2006-12-29

申请人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

发明人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

IPC分类号： H04B1/16

CPC分类号： H04B1/406 ,  H03L7/18 ,  Y02D70/122 ,  Y02D70/124

摘要： Certain aspects of a method and system for mitigating effects of pulling in multiple phase locked loops in multi-standard systems may include selecting an input frequency range of operation at a voltage controlled oscillator based on a particular wireless band of operation in a system that handles a first wireless communication protocol and a second wireless communication protocol. An image rejection mixer may be enabled to generate an output signal for the particular wireless band of operation based on mixing a plurality of received signals within a selected frequency range. An in-phase (I) component and a quadrature (Q) component of the generated output signal may be generated by utilizing a RC-CR quadrature network.

摘要翻译： 用于减轻在多标准系统中拉动多个锁相环的影响的方法和系统的某些方面可包括基于处理一个或多个系统的系统中的特定无线工作频带来选择在压控振荡器处的输入频率范围 第一无线通信协议和第二无线通信协议。 可以使镜像抑制混频器能够基于在所选频率范围内混合多个接收信号来产生用于特定无线操作频带的输出信号。 可以通过利用RC-CR正交网络来产生所产生的输出信号的同相（I）分量和正交（Q）分量。

公开(公告)号：US08374560B2

公开(公告)日：2013-02-12

申请号：US12882684

申请日：2010-09-15

申请人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

发明人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

IPC分类号： H04B1/04

CPC分类号： H04B1/06 ,  H04B1/0057 ,  H04B1/0082 ,  H04B7/084

摘要： Aspects of a method and system for processing signals in a high performance receive chain may include amplifying a plurality of radio frequency signals in one or more respective one or ones of a plurality of amplifier chains in a multistandard radio frequency front-end, which may comprise one or more shared processing stages. The plurality of radio frequency signals may be compliant with a plurality of radio frequency communication standards and may be received concurrently. The one or more shared processing stages may be shared between two or more of the plurality of amplifier chains. Each of the two or more of the plurality of amplifier chains may be operable to amplify signals compliant with different radio frequency communication standards.

摘要翻译： 用于处理高性能接收链中的信号的方法和系统的方面可以包括在多标准射频前端中的多个放大器链中的一个或多个相应的一个或多个放大器链中放大多个射频信号，其可以包括 一个或多个共享处理阶段。 多个射频信号可以符合多个射频通信标准，并且可以同时接收。 一个或多个共享处理级可以在多个放大器链中的两个或更多个之间共享。 多个放大器链中的两个或更多个放大器链中的每一个可以可操作以放大符合不同射频通信标准的信号。

公开(公告)号：US07869781B2

公开(公告)日：2011-01-11

申请号：US11618716

申请日：2006-12-29

申请人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

发明人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

IPC分类号： H04B1/06

CPC分类号： H04B1/406 ,  H03L7/18 ,  Y02D70/122 ,  Y02D70/124

摘要： Certain aspects of a method and system for mitigating effects of pulling in multiple phase locked loops in multi-standard systems may include selecting an input frequency range of operation at a voltage controlled oscillator based on a particular wireless band of operation in a system that handles a first wireless communication protocol and a second wireless communication protocol. An image rejection mixer may be enabled to generate an output signal for the particular wireless band of operation based on mixing a plurality of received signals within a selected frequency range. An in-phase (I) component and a quadrature (Q) component of the generated output signal may be generated by utilizing a RC-CR quadrature network.

摘要翻译： 用于减轻在多标准系统中拉动多个锁相环的影响的方法和系统的某些方面可包括基于处理一个或多个系统的系统中的特定无线工作频带来选择在压控振荡器处的输入频率范围 第一无线通信协议和第二无线通信协议。 可以使镜像抑制混频器能够基于在所选频率范围内混合多个接收信号来产生用于特定无线操作频带的输出信号。 可以通过利用RC-CR正交网络来产生所产生的输出信号的同相（I）分量和正交（Q）分量。

公开(公告)号：US07840198B2

公开(公告)日：2010-11-23

申请号：US11733047

申请日：2007-04-09

申请人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

发明人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

IPC分类号： H04B1/04

CPC分类号： H04B1/06 ,  H04B1/0057 ,  H04B1/0082 ,  H04B7/084

摘要： Aspects of a method and system for processing signals in a high performance receive chain may include amplifying radio frequency signals in amplifier chains in a multistandard radio frequency front-end, comprising one or more shared processing stages, and combining, with substantially equal gain, a number of phase-shifted radio frequency signals of the radio frequency signals into substantially equal-gain-combined radio frequency signals. The substantially equal-gain-combined radio frequency signals may be demodulated to obtain inphase channels and quadrature channels. A number of inphase channels and quadrature channels may be processed in I-channel processing blocks and Q-channel processing blocks to generate an output analog baseband signal. The multistandard radio frequency front-end may be capable of processing Bluetooth® signals and Wireless Local Area Network (WLAN) signals. The amplifier chains may comprise a first amplifier and a second amplifier, where the first amplifier may be shared between Bluetooth® signal processing paths and WLAN signal processing paths.

摘要翻译： 用于处理高性能接收链中的信号的方法和系统的方面可以包括在多标准射频前端放大放大器链中的射频信号，包括一个或多个共享处理级，并且以基本相等的增益组合 射频信号的相移射频信号的数量变成基本相等增益组合的射频信号。 基本上等增益组合的射频信号可以被解调以获得同相信道和正交信道。 可以在I信道处理块和Q信道处理块中处理多个同相信道和正交信道，以产生输出模拟基带信号。 多标准射频前端可能能够处理蓝牙信号和无线局域网（WLAN）信号。 放大器链可以包括第一放大器和第二放大器，其中第一放大器可以在蓝牙信号处理路径和WLAN信号处理路径之间共享。

公开(公告)号：US20060223473A1

公开(公告)日：2006-10-05

申请号：US11184423

申请日：2005-07-19

申请人： Arya Behzad ,  Hung-Ming Chien

发明人： Arya Behzad ,  Hung-Ming Chien

IPC分类号： H04B1/06

CPC分类号： H03L7/18 ,  H03L7/0802 ,  H03L7/0891

摘要： A phase locked loop includes a detection module, a control conversion module, a controlled oscillation module, a divider module, and a power distribution module. The detection module is operably coupled to produce a difference signal based on a difference between a reference oscillation and a feedback oscillation. The control conversion module is operably coupled to convert the difference signal into a control signal. The controlled oscillation module is operably coupled to produce an output oscillation based on the control signal. The divider module is operably coupled to produce the feedback oscillation based on the output oscillation. The power distribution module is operably coupled to receive a supply voltage and to provide an individual supply voltage to at least one of the detection module, the control conversion module, the controlled oscillation module, and the divider module to optimize at least one of performance and power consumption of the phase locked loop.

摘要翻译： 锁相环包括检测模块，控制转换模块，受控振荡模块，分频模块和配电模块。 检测模块可操作地耦合以基于参考振荡和反馈振荡之间的差产生差分信号。 控制转换模块可操作地耦合以将差分信号转换成控制信号。 受控振荡模块可操作地耦合以基于控制信号产生输出振荡。 分压器模块可操作地耦合以基于输出振荡产生反馈振荡。 功率分配模块可操作地耦合以接收电源电压并且向检测模块，控制转换模块，受控振荡模块和分频器模块中的至少一个提供单独的电源电压，以优化性能和 锁相环的功耗。

公开(公告)号：US20110103526A1

公开(公告)日：2011-05-05

申请号：US13004675

申请日：2011-01-11

申请人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

发明人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

IPC分类号： H04L27/06

CPC分类号： H04B1/406 ,  H03L7/18 ,  Y02D70/122 ,  Y02D70/124

摘要： Certain aspects of a method and system for mitigating effects of pulling in multiple phase locked loops in multi-standard systems may include selecting an input frequency range of operation at a voltage controlled oscillator based on a particular wireless band of operation in a system that handles a first wireless communication protocol and a second wireless communication protocol. An image rejection mixer may be enabled to generate an output signal for the particular wireless band of operation based on mixing a plurality of received signals within a selected frequency range. An in-phase (I) component and a quadrature (Q) component of the generated output signal may be generated by utilizing a RC-CR quadrature network.

摘要翻译： 用于减轻在多标准系统中拉动多个锁相环的影响的方法和系统的某些方面可包括基于处理一个或多个系统的系统中的特定无线工作频带来选择在压控振荡器处的输入频率范围 第一无线通信协议和第二无线通信协议。 可以使镜像抑制混频器能够基于在所选频率范围内混合多个接收信号来产生用于特定无线操作频带的输出信号。 可以通过利用RC-CR正交网络来产生所产生的输出信号的同相（I）分量和正交（Q）分量。

公开(公告)号：US20110002257A1

公开(公告)日：2011-01-06

申请号：US12882684

申请日：2010-09-15

申请人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

发明人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

IPC分类号： H04J3/08 ,  H04B7/14

CPC分类号： H04B1/06 ,  H04B1/0057 ,  H04B1/0082 ,  H04B7/084

摘要： Aspects of a method and system for processing signals in a high performance receive chain may include amplifying a plurality of radio frequency signals in one or more respective one or ones of a plurality of amplifier chains in a multistandard radio frequency front-end, which may comprise one or more shared processing stages. The plurality of radio frequency signals may be compliant with a plurality of radio frequency communication standards and may be received concurrently. The one or more shared processing stages may be shared between two or more of the plurality of amplifier chains. Each of the two or more of the plurality of amplifier chains may be operable to amplify signals compliant with different radio frequency communication standards.

摘要翻译： 用于处理高性能接收链中的信号的方法和系统的方面可以包括在多标准射频前端中的多个放大器链中的一个或多个相应的一个或多个放大器链中放大多个射频信号，其可以包括 一个或多个共享处理阶段。 多个射频信号可以符合多个射频通信标准，并且可以同时接收。 一个或多个共享处理级可以在多个放大器链中的两个或更多个之间共享。 多个放大器链中的两个或更多个放大器链中的每一个可以可操作以放大符合不同射频通信标准的信号。

公开(公告)号：US20080139119A1

公开(公告)日：2008-06-12

申请号：US11733047

申请日：2007-04-09

申请人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

发明人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

IPC分类号： H04B7/00 ,  H04B1/26

CPC分类号： H04B1/06 ,  H04B1/0057 ,  H04B1/0082 ,  H04B7/084

摘要： Aspects of a method and system for processing signals in a high performance receive chain may include amplifying radio frequency signals in amplifier chains in a multistandard radio frequency front-end, comprising one or more shared processing stages, and combining, with substantially equal gain, a number of phase-shifted radio frequency signals of the radio frequency signals into substantially equal-gain-combined radio frequency signals. The substantially equal-gain-combined radio frequency signals may be demodulated to obtain inphase channels and quadrature channels. A number of inphase channels and quadrature channels may be processed in I-channel processing blocks and Q-channel processing blocks to generate an output analog baseband signal. The multistandard radio frequency front-end may be capable of processing Bluetooth® signals and Wireless Local Area Network (WLAN) signals. The amplifier chains may comprise a first amplifier and a second amplifier, where the first amplifier may be shared between Bluetooth® signal processing paths and WLAN signal processing paths.

摘要翻译： 用于处理高性能接收链中的信号的方法和系统的方面可以包括在多标准射频前端放大放大器链中的射频信号，包括一个或多个共享处理级，并且以基本相等的增益组合 射频信号的相移射频信号的数量变成基本相等增益组合的射频信号。 基本上等增益组合的射频信号可以被解调以获得同相信道和正交信道。 可以在I信道处理块和Q信道处理块中处理多个同相信道和正交信道，以产生输出模拟基带信号。 多标准射频前端可能能够处理蓝牙信号和无线局域网（WLAN）信号。 放大器链可以包括第一放大器和第二放大器，其中第一放大器可以在蓝牙信号处理路径和WLAN信号处理路径之间共享。

公开(公告)号：US08676139B2

公开(公告)日：2014-03-18

申请号：US13004675

申请日：2011-01-11

申请人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

发明人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

IPC分类号： H04B7/00

CPC分类号： H04B1/406 ,  H03L7/18 ,  Y02D70/122 ,  Y02D70/124

摘要： Certain aspects of a method and system for mitigating effects of pulling in multiple phase locked loops in multi-standard systems may include selecting an input frequency range of operation at a voltage controlled oscillator based on a particular wireless band of operation in a system that handles a first wireless communication protocol and a second wireless communication protocol. An image rejection mixer may be enabled to generate an output signal for the particular wireless band of operation based on mixing a plurality of received signals within a selected frequency range. An in-phase (I) component and a quadrature (Q) component of the generated output signal may be generated by utilizing a RC-CR quadrature network.

摘要翻译： 用于减轻在多标准系统中拉动多个锁相环的影响的方法和系统的某些方面可包括基于处理一个或多个系统的系统中的特定无线工作频带来选择在压控振荡器处的输入频率范围 第一无线通信协议和第二无线通信协议。 可以使镜像抑制混频器能够基于在所选频率范围内混合多个接收信号来产生用于特定无线操作频带的输出信号。 可以通过利用RC-CR正交网络来产生所产生的输出信号的同相（I）分量和正交（Q）分量。

公开(公告)号：US07884675B2

公开(公告)日：2011-02-08

申请号：US12318906

申请日：2009-01-12

申请人： Hung-Ming Chien

发明人： Hung-Ming Chien

IPC分类号： H03L7/00

CPC分类号： H03L7/1976 ,  H03L7/0891 ,  H03L7/18 ,  H03L7/23

摘要： A phase locked loop (PLL) includes a detector, a charge pump, a loop filter, a voltage controlled oscillator (VCO), a divider, and a frequency change module. The detector provides a phase difference based on a reference signal and a feedback signal. The charge pump provides a charge based on the phase difference. The loop filter provides a voltage based on the charge. The VCO provides an output signal based on the voltage received from the loop filter. The divider divides a frequency of the output signal by a value to provide the feedback signal. The frequency change module processes an input signal having a first frequency to provide a processed signal having a second frequency that is different from the first frequency. The frequency change module selects the input signal or the processed signal to provide as the reference signal to the detector. Changing the frequency of the reference signal can change a frequency of a spur.

摘要翻译： 锁相环（PLL）包括检测器，电荷泵，环路滤波器，压控振荡器（VCO），分频器和频率改变模块。 检测器基于参考信号和反馈信号提供相位差。 电荷泵基于相位差提供电荷。 环路滤波器基于电荷提供电压。 VCO基于从环路滤波器接收的电压提供输出信号。 分频器将输出信号的频率除以一个值，以提供反馈信号。 频率变化模块处理具有第一频率的输入信号以提供具有不同于第一频率的第二频率的处理信号。 频率变化模块选择输入信号或处理后的信号作为参考信号提供给检测器。 更改参考信号的频率可能会改变频率。