Phase shifters using transmission lines periodically loaded with barium strontium titanate (BST) capacitors
    1.
    发明授权
    Phase shifters using transmission lines periodically loaded with barium strontium titanate (BST) capacitors 有权
    使用周期性载入钛酸锶钡(BST)电容器的传输线的移相器

    公开(公告)号:US06559737B1

    公开(公告)日:2003-05-06

    申请号:US09721435

    申请日:2000-11-22

    IPC分类号: H01P900

    CPC分类号: H01P1/181

    摘要: A phase shifter, such as for use in phased antenna arrays, comprising thin film BST capacitors periodically loading a transmission line. The BST thin films can be deposited using RF sputtering on a variety of substrates, and the capacitors can be of a parallel plate configuration or of an interdigitated configuration. An aspect of the invention additionally provides for the use of periodically distributed lumped-element inductors comprising the transmission line. A further aspect provides for programmatic determination of circuit design and configuration parameters based on the input of desired characteristics and materials for the phase shifter.

    摘要翻译: 诸如用于相控天线阵列的移相器,包括周期性地加载传输线的薄膜BST电容器。 BST薄膜可以使用RF溅射沉积在各种基板上,并且电容器可以是平行板配置或交叉配置。 本发明的一个方面另外提供了使用包括传输线的周期性分布的集总元件电感器。 另一方面提供了基于用于移相器的期望特性和材料的输入的电路设计和配置参数的编程确定。

    Hybridly integrated optical modulation devices
    2.
    发明授权
    Hybridly integrated optical modulation devices 有权
    混合集成光调制器件

    公开(公告)号:US06590691B1

    公开(公告)日:2003-07-08

    申请号:US09898197

    申请日:2001-07-02

    IPC分类号: G02B2600

    摘要: The present invention discloses high-speed, single-drive and dual-drive external optical modulation devices that reduce the voltage and power required to amplify and modulate electrical signals onto an optical carrier. Two primary components of an optical transmitter, namely, the modulator and driver, are integrated, and preferably hybridly integrated, in a single package, thereby eliminating many of the cable connector interfaces that add loss, complexity and cost to the system. Further, integration frees the devices from the standardized impedance (i.e. 50 ohm) constraints that reduce performance, thereby enabling the design of optimized, low voltage, hybridly integrated modulation devices.

    摘要翻译: 本发明公开了一种降低向光载波放大和调制电信号所需的电压和功率的高速,单驱动和双驱动外部光调制装置。 光传输器的两个主要部件,即调制器和驱动器,集成在一个封装中,最好是混合集成在一起,从而消除了许多电缆连接器接口,从而增加了系统的损耗,复杂性和成本。 此外,集成使器件免于降低性能的标准化阻抗(即50欧姆)约束,从而实现优化的低电压混合集成调制器件的设计。

    Capacitive microelectromechanical switches
    3.
    发明授权
    Capacitive microelectromechanical switches 失效
    电容式微机电开关

    公开(公告)号:US06452124B1

    公开(公告)日:2002-09-17

    申请号:US09895105

    申请日:2001-06-28

    IPC分类号: H01H5700

    摘要: A microelectromechanical switch is disclosed comprising a conductor, a dielectric layer disposed on the conductor, a metal cap disposed on the dielectric layer and a bridge disposed proximate to the metal cap such that an electrical potential applied between the bridge and conductor causes the bridge to deform and contact the metal cap.

    摘要翻译: 公开了一种微机电开关,其包括导体,设置在导体上的电介质层,设置在电介质层上的金属盖和靠近金属盖设置的桥,使得施加在桥与导体之间的电位导致桥变形 并接触金属盖。