Laser trim and compensation methodology for passively aligning optical transmitter
    62.
    发明申请
    Laser trim and compensation methodology for passively aligning optical transmitter 有权
    用于被动对准光发射机的激光修整和补偿方法

    公开(公告)号:US20050078721A1

    公开(公告)日:2005-04-14

    申请号:US10683212

    申请日:2003-10-09

    摘要: A method embodiment of the invention includes a scheme for trimming and compensation of a laser emitter in a fiber optic link. A laser emitter is provided. Also a reference optical power value is determined using data models of laser emitter performance generated by statistical analysis of sample population of lasers that are similar to the subject laser emitter. The performance of the subject laser is measured and qualified optical power levels for the subject laser emitter are determined using the reference operating power value and measured performance of the subject laser emitter. The driving current of the subject laser emitter is adjusted to compensate for changes in temperature until the optical power of the subject laser emitter obtains a desired qualified optical power level. Related methods of determining qualified optical power levels for a laser emitter in a fiber optic link are also disclosed. As are methods of determining a reference optical power value for a laser emitter to be coupled in a fiber optic link. Fiber optic links capable of trimming and compensation in open and closed loop configurations are also disclosed.

    摘要翻译: 本发明的方法实施例包括用于修整和补偿光纤链路中的激光发射器的方案。 提供激光发射器。 使用与目标激光发射器相似的激光器样本群的统计分析产生的激光发射器性能的数据模型也可以确定参考光功率值。 测量目标激光器的性能,并使用目标激光发射器的参考工作功率值和测量的性能来确定目标激光发射器的合格光功率电平。 调整对象激光发射器的驱动电流以补偿温度变化,直到目标激光发射器的光功率获得期望的合格光功率电平。 还公开了确定光纤链路中激光发射器的合格光功率电平的相关方法。 以及确定要在光纤链路中耦合的激光发射器的参考光功率值的方法。 还公开了能够在开环和闭环配置中修剪和补偿的光纤链路。

    Connectorized silicon bench for passively aligning optical fibers
    63.
    发明申请
    Connectorized silicon bench for passively aligning optical fibers 有权
    用于被动对准光纤的连接硅台

    公开(公告)号:US20050018969A1

    公开(公告)日:2005-01-27

    申请号:US10627437

    申请日:2003-07-25

    申请人: Peter Deane

    发明人: Peter Deane

    IPC分类号: G02B6/42 G02B6/30

    摘要: A connectorized silicon bench and ferrule that aids in the passive alignment of optical fibers to optical components on the bench. The apparatus includes a bench having an optical component, a groove formed in the bench, the groove configured to accommodate an optical fiber; and a ferrule, including a recess region to accommodate the optic fiber when the ferrule is mounted onto the bench. The groove and the ferrule cooperate to passively align the optical fiber and the optical component on the bench. A connector sleeve, which accommodates the silicon bench and ferrule, includes a receptacle that is configured to receive a plug-in connector which optically couples the optical fiber to an optical network or link.

    摘要翻译: 一个连接的硅工作台和套圈,有助于将光纤与工作台上的光学元件无源对准。 该装置包括具有光学部件的工作台,在工作台中形成的凹槽,该凹槽构造成容纳光纤; 以及套圈,当套圈安装在工作台上时,包括用于容纳光纤的凹部区域。 凹槽和套圈配合以将光纤和光学部件被动地对准在工作台上。 容纳硅台座和套圈的连接器套筒包括插座,其被构造成接收将光纤光学耦合到光网络或链路的插入式连接器。

    Method and apparatus for processing multiple common frequency signals through a single cable using circulators
    66.
    发明授权
    Method and apparatus for processing multiple common frequency signals through a single cable using circulators 有权
    通过使用循环器的单个电缆处理多个公共频率信号的方法和装置

    公开(公告)号:US08599815B2

    公开(公告)日:2013-12-03

    申请号:US12830651

    申请日:2010-07-06

    IPC分类号: H04H20/67 H04B7/216

    CPC分类号: H04B1/40 H04B1/18

    摘要: A method and apparatus for processing multiple signals at a common frequency combined into a single radio frequency cable and subsequently recovering the signals without significant losses, distortion, or cross-talk. The method and apparatus includes processing multiple signals at a common frequency fed through a single radio frequency (RF) cable with or without one or more amplifiers and utilized for either forward or reverse link transmissions. The invention enables a single power amplifier to amplify multiple RF signals that occupy a common frequency channel and after amplification splitting these signals into amplified copies of the originals. The amplified signals may be sent to different antenna ports to illuminate different base station sectors if required. The signal splitting function is performed at the antenna masthead such that this method reduces the number of feeder cables running up the antenna tower by a factor of N, where N is the number of common frequency signals (e.g., the number of sectors) amplified by the single power amplifier. This invention enables a single power amplifier to simultaneously provide all the radio frequency signals necessary to feed a general N input phased array antenna system and form multiple antenna beams uniquely for several individual users simultaneously.

    摘要翻译: 一种用于以合并到单个射频电缆中的共同频率处理多个信号并且随后恢复信号而没有显着损失,失真或串扰的方法和装置。 该方法和装置包括在具有或不具有一个或多个放大器的单个射频(RF)电缆馈送的公共频率处理多个信号,并用于正向或反向链路传输。 本发明使得单个功率放大器可以放大占用公共频率信道的多个RF信号,并且在将这些信号分解成原稿的放大副本之后。 如果需要,放大的信号可以被发送到不同的天线端口以照亮不同的基站扇区。 信号分离功能在天线标头上进行,使得该方法将以天线塔运行的馈电电缆的数量减少N倍,其中N是通过频率信号放大的共频率信号(例如,扇区数) 单功率放大器。 本发明使得单个功率放大器能够同时提供馈送一般N输入相控阵天线系统所必需的所有射频信号,同时为多个个体用户同时形成多个天线波束。

    Antenna systems with common overhead for CDMA base stations
    67.
    发明授权
    Antenna systems with common overhead for CDMA base stations 有权
    CDMA基站具有共同开销的天线系统

    公开(公告)号:US08238977B2

    公开(公告)日:2012-08-07

    申请号:US13116867

    申请日:2011-05-26

    IPC分类号: H04M1/00

    摘要: Systems and methods for use in CDMA antenna systems are provided in which signals each having a common overhead component are transmitted on a set of adjacent beams of a sector with a micro-timing offset between signals transmitted on adjacent pairs of beams which is large enough that destructive cancellation substantially does not occur between the pair of beams.

    摘要翻译: 提供了在CDMA天线系统中使用的系统和方法,其中每个具有公共开销分量的信号在相邻的波束对之间传输的信号之间在具有在相邻的波束对上传输的信号之间的微定时偏移的扇区的一组相邻波束的一组相邻波束上发送, 在一对光束之间基本上不发生消极消除。

    Dual-directional electrostatic discharge protection method
    68.
    发明申请
    Dual-directional electrostatic discharge protection method 有权
    双向静电放电保护方法

    公开(公告)号:US20120182659A1

    公开(公告)日:2012-07-19

    申请号:US13073990

    申请日:2011-03-28

    IPC分类号: H02H3/20

    摘要: A two terminal ESD protection structure formed by an alternating arrangement of adjacent p-n-p-n-p semiconductor regions provides protection against both positive and negative ESD pulses. When an ESD pulse appears across the two terminals of the ESD protection structure, one of the inherent n-p-n-p thyristors is triggered into a snap-back mode thereby to form a low impedance path to discharge the ESD current.Some embodiments of the ESD protection structure of the present invention have an enhanced current handling capability and are formed by combining a number of standard cells. The standard cells include a corner cell, a center cell and an edge cell which are arranged adjacent each other to form an ESD protection structure which provides for current flow from across many locations therein.Some embodiments of the ESD protection structure of the present invention include a network consisting of a pair of current sources, e.g. back-to-back zener diodes, each connected in series with a resistor to control the trigger voltage of the ESD protection structure.

    摘要翻译: 由相邻的p-n-p-n-p半导体区域的交替布置形成的两端ESD保护结构提供了抵抗正和负ESD脉冲的保护。 当ESD保护结构的两个端子出现ESD脉冲时,其中一个固有的n-p-n-p晶闸管被触发成快速恢复模式,从而形成一个低阻抗路径来放电ESD电流。 本发明的ESD保护结构的一些实施例具有增强的电流处理能力,并且通过组合多个标准单元而形成。 标准单元包括彼此相邻布置的角电池,中心电池和边缘电池,以形成ESD保护结构,其提供来自其中许多位置的电流。 本发明的ESD保护结构的一些实施例包括由一对电流源组成的网络,例如, 背对背齐纳二极管,每个二极管与电阻串联连接,以控制ESD保护结构的触发电压。

    Antenna System
    69.
    发明申请
    Antenna System 有权
    天线系统

    公开(公告)号:US20120001801A1

    公开(公告)日:2012-01-05

    申请号:US13231360

    申请日:2011-09-13

    IPC分类号: H01Q3/00

    摘要: A beamformer is arranged to receive an input from a first antenna element and from at least one other antenna element and to generate at least a first and second output beam. The first and second output beams are combined at a connecting port such that signals received at the first antenna element are constructively combined at the connecting port and signals received at another antenna element or elements are destructively combined at the connecting port, so that a receiver connected to the connecting port may receive signals from the first antenna element and may not receive signals from the other antenna element or elements. The arrangement may also be used to transmit a signal which is fed into the connecting point from the first antenna element and not from the other antenna element or elements.

    摘要翻译: 波束形成器布置成从第一天线元件和至少一个其它天线元件接收输入并且产生至少第一和第二输出光束。 第一和第二输出光束在连接端口处组合,使得在第一天线元件处接收的信号在连接端口被建设性组合,并且在另一个天线元件处接收的信号在连接端口被破坏性组合,使得接收器连接 连接端口可以从第一天线元件接收信号,并且可能不接收来自其它天线元件的信号。 该装置还可以用于从第一天线元件而不是从另一个天线元件发送馈送到连接点的信号。

    Dual-directional electrostatic discharge protection device
    70.
    发明授权
    Dual-directional electrostatic discharge protection device 有权
    双向静电放电保护装置

    公开(公告)号:US07936020B1

    公开(公告)日:2011-05-03

    申请号:US11890167

    申请日:2007-08-02

    摘要: A two-terminal ESD protection structure formed by an arrangement of five adjacent semiconductor regions (112, 114, 116, 118, and 120) of alternating conductivity type provides protection against both positive and negative ESD voltages. The middle semiconductor region electrically floats. When the two terminals (A and K) of the ESD protection structure are subjected to an ESD voltage, the structure goes into operation by triggering one of its two inherent thyristors (170 and 180) into a snap-back mode that provides a low impedance path through the structure for discharging the ESD current.

    摘要翻译: 由交替导电类型的五个相邻半导体区域(112,114,116,118和120)的布置形成的双端子ESD保护结构提供抵抗正和负ESD电压的保护。 中间半导体区域电浮动。 当ESD保护结构的两个端子(A和K)受到ESD电压的影响时,通过将其两个固有晶闸管(170和180)中的一个触发成一个提供低阻抗 通过用于放电ESD电流的结构的路径。