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    Power amplifier operated as an envelope digital to analog converter with digital pre-distortion
    1.
    发明授权
    Power amplifier operated as an envelope digital to analog converter with digital pre-distortion 有权
    功率放大器作为数字预失真的封装数模转换器

    公开(公告)号：US06255906B1

    公开(公告)日：2001-07-03

    申请号：US09410216

    申请日：1999-09-30

    申请人： Donald Brian Eidson ,  Mats Lindstrom ,  Robert Edmund Grange

    发明人： Donald Brian Eidson ,  Mats Lindstrom ,  Robert Edmund Grange

    IPC分类号： H03F368

    CPC分类号： H03M1/74 ,  H03F1/0277 ,  H03F1/3241 ,  H03F3/602 ,  H03F2201/3233

    摘要： A power amplifier that amplifies an electrical signal that is passed through a power amplification array. The power amplifier is employed in various applications including cellular telephones, radio frequency signal transmission, and other electrical signal applications requiring power amplification. The power amplifier contains a number of power amplifiers arranged in a power amplifier array. To reproduce a particular envelope profile, a selected number of the power amplifiers of the power amplifier array is switched ON, whereas another selected number of the power amplifiers of the power amplifier array are switched OFF. All elements are fed with an RF signal containing phase information as well. The amplified, output signal provided after the power amplifier array is fed to an antenna for signal transmission. Impedance matching circuitry is employed between the power amplifier array and the antenna to provide efficiency for those applications having low power budgets or seeking to operate with extremely high efficiency. The present invention provides a solution that is extremely energy efficient, making it ideally suited for applications having low available power budgets such as battery operated devices such as cellular telephones. From one perspective, the power amplifier array is operated as if it were a digital device. For example, each of the individual power amplifiers of the power amplifier array is either switched ON or switched OFF, as described above, and a selected number of the power amplifiers provides the desired level for the specific application.

    摘要翻译： 放大通过功率放大阵列的电信号的功率放大器。 功率放大器用于各种应用，包括蜂窝电话，射频信号传输以及需要功率放大的其他电信号应用。 功率放大器包含多个布置在功率放大器阵列中的功率放大器。 为了再现特定的包络轮廓，所选数量的功率放大器阵列的功率放大器被接通，而功率放大器阵列的另一选定数量的功率放大器被切换为OFF。 所有元件也被馈送包含相位信息的RF信号。 在功率放大器阵列之后提供的放大的输出信号被馈送到天线进行信号传输。 在功率放大器阵列和天线之间采用阻抗匹配电路，以为具有低功率预算或寻求以非常高的效率运行的那些应用提供效率。 本发明提供了一种非常节能的解决方案，使其非常适用于具有低可用功率预算的应用，例如诸如蜂窝电话的电池供电装置。 从一个角度来看，功率放大器阵列就像数字设备一样被操作。 例如，如上所述，功率放大器阵列的各个功率放大器的每个都被切换为接通或关断，并且选定数量的功率放大器为特定应用提供期望的电平。

    RF transmitter with extended efficient power control range
    3.
    发明授权
    RF transmitter with extended efficient power control range 有权
    射频发射器具有扩展的高效功率控制范围

    公开(公告)号：US06681101B1

    公开(公告)日：2004-01-20

    申请号：US09481094

    申请日：2000-01-11

    申请人： Brian Eidson ,  Mats Lindstrom ,  Robert Edmund Grange

    发明人： Brian Eidson ,  Mats Lindstrom ,  Robert Edmund Grange

    IPC分类号： H04B104

    CPC分类号： H03C3/0933 ,  H03C3/0925 ,  H03C5/00 ,  H03F1/0222 ,  H03G3/004 ,  H04B1/04

    摘要： A highly efficient radio frequency (RF) transmitter provides both wide bandwidth and an extended power control range. The RF transmitter includes stage switching, bias adjustment, and drain supply modulation. These components are used to provide fine and coarse power control and EER envelope fluctuations. The RF transmitter is useful in wireless communications to increase both handset talk time and battery life.

    摘要翻译： 高效射频（RF）发射机提供宽带宽和扩展功率控制范围。 RF发射器包括级开关，偏置调节和漏极供应调制。 这些组件用于提供精细和粗略的功率控制和EER包络波动。 RF发射器在无线通信中是有用的，以增加手机通话时间和电池寿命。

    Simultaneous multiple channel receiver
    4.
    发明授权
    Simultaneous multiple channel receiver 有权
    同时多通道接收机

    公开(公告)号：US07623580B2

    公开(公告)日：2009-11-24

    申请号：US10882083

    申请日：2004-06-29

    申请人： Kendal McNaught-Davis Hess ,  Manjit S. Gill ,  Donald Brian Eidson ,  Chi-Ping Nee ,  Mats Lindstrom ,  Abraham Krieger ,  Fred Harris

    发明人： Kendal McNaught-Davis Hess ,  Manjit S. Gill ,  Donald Brian Eidson ,  Chi-Ping Nee ,  Mats Lindstrom ,  Abraham Krieger ,  Fred Harris

    IPC分类号： H04K1/10

    CPC分类号： H04H20/28 ,  H04H40/18 ,  H04H40/90 ,  H04N5/4401 ,  H04N21/42607 ,  H04N21/43615 ,  H04N21/4382 ,  H04N21/4385 ,  H04N21/44209

    摘要： A simultaneous multiple channel receiver (“SMCR”) for receiving a combined signal having a plurality of carrier signals, where each carrier signal in the plurality of carriers signals corresponds to a frequency channel, and in response, simultaneously producing a plurality of output data stream signals, is disclosed. The SMCR may include a down-converter front-end capable of receiving the combined signal, a plurality of digital signal processors, wherein each digital signal processor of the plurality of digital signal processors is capable of producing an output data stream signal of the plurality of output data stream signals, and a multi-band filter in signal communication with both the down-converter front-end and the plurality of digital signal processors.

    摘要翻译： 一种用于接收具有多个载波信号的组合信号的同时多信道接收机（“SMCR”），其中多个载波信号中的每个载波信号对应于频率信道，并且作为响应，同时产生多个输出数据流 信号。 SMCR可以包括能够接收组合信号的下变频器前端，多个数字信号处理器，其中多个数字信号处理器中的每个数字信号处理器能够产生多个数字信号处理器的输出数据流信号 输出数据流信号，以及与下变频器​​前端和多个数字信号处理器进行信号通信的多频带滤波器。

    Media Receiver Hub
    6.
    发明申请
    Media Receiver Hub 有权
    媒体接收器中心

    公开(公告)号：US20090232077A1

    公开(公告)日：2009-09-17

    申请号：US12405006

    申请日：2009-03-16

    申请人： Abraham Krieger ,  Laurence Alan Strong ,  Mats Lindstrom ,  Sadashiv Vinayak Phadnis ,  Yoav P. Goldenberg

    发明人： Abraham Krieger ,  Laurence Alan Strong ,  Mats Lindstrom ,  Sadashiv Vinayak Phadnis ,  Yoav P. Goldenberg

    IPC分类号： H04W72/00

    CPC分类号： H04N21/6143 ,  H04H20/63 ,  H04H40/90 ,  H04H60/87 ,  H04N7/20 ,  H04N21/238 ,  H04N21/43615 ,  H04N21/43637 ,  H04N21/438 ,  H04N21/440218 ,  H04N21/440263 ,  H04N21/4433

    摘要： A media receiver hub receives wireless signals from multiple sources (e.g., satellite signals from multiple satellites) and provides the signals to end devices over a local network. According to an example embodiment, a satellite hub is responsive to channel input selections received from end devices by selecting channels from within received satellite signals, and by converting each channel into a format amenable for delivery to and use at an end device requesting the channel. The converted channels are communicated to the end devices over a network that also facilitates communications between the devices, by restricting the communications to using a portion of the available bandwidth of the network, reserving bandwidth for communications with and/or between the end devices (or other network devices).

    摘要翻译： 媒体接收器集线器从多个源（例如，来自多个卫星的卫星信号）接收无线信号，并通过本地网络将信号提供给终端设备。 根据示例实施例，卫星集线器响应于从终端设备接收的信道输入选择，通过从接收到的卫星信号中选择信道，并且通过将每个信道转换成适合于在请求信道的终端设备上传送和使用的格式。 转换的信道通过网络传送到终端设备，网络还通过将通信限制为使用网络的可用带宽的一部分，保留用于与终端设备之间的通信和/或终端设备之间的带宽（或 其他网络设备）。

    Systems and method for a highly integrated, multi-mode tuner
    7.
    发明授权
    Systems and method for a highly integrated, multi-mode tuner 有权
    高度集成，多模式调谐器的系统和方法

    公开(公告)号：US07515888B2

    公开(公告)日：2009-04-07

    申请号：US11244568

    申请日：2005-10-06

    申请人： Mats Lindstrom ,  Abdolreza Shafie

    发明人： Mats Lindstrom ,  Abdolreza Shafie

    IPC分类号： H04B1/06

    CPC分类号： H03G3/3068 ,  H04B17/327

    摘要： A method for adjusting the signal to noise ratio of a receiver comprises measuring the peak power for an RF signal and determining, based on the measured peak power, whether the RF signal power is within a desired operating range. The method further includes adjusting an RF attenuation for the receiver, when it is determined that the RF signal power is not within the desired operating rang. The method further comprises measuring a peak power foe an IF signal, determining based on the measured peak power, whether the IF signal power is within a desired operating range, and adjusting an IF attenuation for the receiver, when it is determined that the IF signal peak power is not within the desired operating range.

    摘要翻译： 用于调整接收机的信噪比的方法包括测量RF信号的峰值功率，并且基于所测量的峰值功率来确定RF信号功率是否在期望的操作范围内。 当确定RF信号功率不在期望的操作范围内时，该方法还包括调整接收机的RF衰减。 该方法还包括：当确定IF信号时，测量IF信号的峰值功率，基于测量的峰值功率确定IF信号功率是否在期望的工作范围内，以及调整接收机的IF衰减 峰值功率不在所需的工作范围内。

    Systems and methods with reduced reference spurs using a crystal oscillator for broadband communications
    9.
    发明授权
    Systems and methods with reduced reference spurs using a crystal oscillator for broadband communications 有权
    使用晶体振荡器进行宽带通信的减少参考杂散的系统和方法

    公开(公告)号：US07548128B2

    公开(公告)日：2009-06-16

    申请号：US11612666

    申请日：2006-12-19

    申请人： Ray Rosik ,  Weinan Gao ,  Mats Lindstrom

    发明人： Ray Rosik ,  Weinan Gao ,  Mats Lindstrom

    IPC分类号： H03B5/32

    CPC分类号： H03B5/06 ,  H03B5/364 ,  H03L3/00

    摘要： Systems and methods are provided. In this regard, a representative system incorporates a crystal oscillator circuit and a digital automatic level control circuit. The digital automatic level control circuit is operative to: convert an oscillation amplitude of the crystal oscillator circuit to a proportional DC voltage; convert the DC voltage to a corresponding digital code representation; and adjust bias current and oscillator loop gain such that a desired oscillation amplitude is set.

    摘要翻译： 提供了系统和方法。 在这方面，代表性系统包括晶体振荡器电路和数字自动电平控制电路。 数字自动电平控制电路用于：将晶体振荡器电路的振荡幅度转换为比例直流电压; 将DC电压转换为相应的数字代码表示; 并调整偏置电流和振荡器环路增益，使得设置期望的振荡幅度。

    Systems and Methods with Reduced Reference Spurs Using a Crystal Oscillator For Broadband Communications
    10.
    发明申请
    Systems and Methods with Reduced Reference Spurs Using a Crystal Oscillator For Broadband Communications 有权
    使用晶体振荡器进行宽带通信的参考马刺减少的系统和方法

    公开(公告)号：US20080143452A1

    公开(公告)日：2008-06-19

    申请号：US11612666

    申请日：2006-12-19

    申请人： Ray Rosik ,  Weinan Gao ,  Mats Lindstrom

    发明人： Ray Rosik ,  Weinan Gao ,  Mats Lindstrom

    IPC分类号： H03B5/32

    CPC分类号： H03B5/06 ,  H03B5/364 ,  H03L3/00

    摘要： Systems and methods are provided. In this regard, a representative system incorporates a crystal oscillator circuit and a digital automatic level control circuit. The digital automatic level control circuit is operative to: convert an oscillation amplitude of the crystal oscillator circuit to a proportional DC voltage; convert the DC voltage to a corresponding digital code representation; and adjust bias current and oscillator loop gain such that a desired oscillation amplitude is set.

    摘要翻译： 提供了系统和方法。 在这方面，代表性系统包括晶体振荡器电路和数字自动电平控制电路。 数字自动电平控制电路用于：将晶体振荡器电路的振荡幅度转换为比例直流电压; 将DC电压转换为相应的数字代码表示; 并调整偏置电流和振荡器环路增益，使得设置期望的振荡幅度。