Surface acoustic wave filter and communication apparatus with the same
    4.
    发明公开
    Surface acoustic wave filter and communication apparatus with the same 有权
    AkustischesOberflächenwellenfilterund Kommunikationsvorrichtung mit demselben

    公开(公告)号:EP1189346A3

    公开(公告)日:2005-03-16

    申请号:EP01122028.2

    申请日:2001-09-13

    IPC分类号: H03H9/64

    CPC分类号: H03H9/6426

    摘要: A surface acoustic wave filter, has: a piezoelectric substrate; and at least two filter tracks having at least an input interdigital transducer electrode and an output interdigital transducer electrode provided on said piezoelectric substrate, wherein the respective input interdigital transducer electrodes of said at least two filter tracks are brought into connection in parallel; the respective output interdigital transducer electrodes of said at least two filter tracks are brought into connection in parallel, and overlapping widths of electrode fingers of said input interdigital transducer electrode and output interdigital transducer electrode are different from each other for each of said at least two filter tracks.

    摘要翻译: 一种表面声波滤波器,具有:压电基板; 以及至少两个滤波器轨道,其至少具有设置在所述压电基板上的至少一个输入叉指式换能器电极和输出叉指式换能器电极,其中所述至少两个滤波器轨道的各个输入叉指式换能器电极并联连接; 所述至少两个滤波器轨道的各个输出叉指式换能器电极并联连接,并且所述输入叉指式换能器电极和输出叉指式换能器电极的电极指的重叠宽度对于所述至少两个滤波器 轨道。

    Two-frequency band-pass filter, two-frequency branching filter and combiner
    5.
    发明公开
    Two-frequency band-pass filter, two-frequency branching filter and combiner 失效
    带通滤波器为两个频率范围,对于两个频率范围和组合器分波器

    公开(公告)号:EP1355420A2

    公开(公告)日:2003-10-22

    申请号:EP03016825.6

    申请日:1996-05-15

    IPC分类号: H03H7/46 H03H7/38

    摘要: A time division multiple access FDD wireless unit has a first local oscillator 8 for oscillating a first frequency; a second local oscillator 12 for oscillating a second frequency ; a n-time multiplier 14 for multiplying the second frequency by n; a m-times multiplier 18 for multiplying the second frequency by m; a converter 6 for transmitting frequency of difference between a reception signal and an output of the first local oscillator 8; a converter 11 for transmitting frequency of sum or difference between an output of the converter 6 and an output of the n-times multiplier 14; modulator 19 for modulating an output of the m-times multiplier 18; a converter 22 for transmitting frequency of sum of an output of the modulator 19 and the output of m-times multiplier 18.

    摘要翻译: 一种时分多址无线FDD单元具有用于振荡第一频率的第一本地振荡器8; 第二本地振荡器12用于振荡第二频率; 用n乘以所述第二频率的n次乘法器14; 一个m次乘法器18乘以m的第二频率; 用于发送接收信号之间和第一本机振荡器8的输出差的频率转换器6; 在转换器6的输出和n次倍增器14的输出发射和或之差的频率的转换器11; 用于调制在m倍乘法器18的输出调制器19; 对于在调制器19的输出和m次乘法器的输出发射18的总和的频率转换器22

    Complex high frequency components
    6.
    发明公开
    Complex high frequency components 有权
    复杂的高频成分

    公开(公告)号:EP1282190A3

    公开(公告)日:2003-10-08

    申请号:EP02017378.7

    申请日:2002-08-02

    IPC分类号: H01P1/203

    CPC分类号: H01P1/20345

    摘要: The present invention comprises baluns 2a, 2b which convert balanced line signals and unbalanced line signals mutually, and filters 3a, 3b which are electrically connected to the baluns 2a, 2b and pass or attenuate the predetermined frequency bands. Electrode layers 15a-22a, 25a, 41, 42, 43 which compose the electrode patterns of the baluns 2a, 2b and the filters 3a, 3b, and the dielectric layers 30-39 are integrally stacked.

    摘要翻译: 本发明包括相互转换平衡线路信号和不平衡线路信号的平衡 - 不平衡转换器2a,2b,以及电连接到平衡 - 不平衡转换器2a,2b并使预定频带通过或衰减的滤波器3a,3b。 构成平衡 - 不平衡转换器2a,2b和滤波器3a,3b的电极图案的电极层15a-22a,25a,41,42,43和电介质层30-39整体堆叠。

    Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same
    7.
    发明公开
    Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same 有权
    叉指式变换器,表面声波滤波器,该转换器使用的通信装置

    公开(公告)号:EP1276236A2

    公开(公告)日:2003-01-15

    申请号:EP02015358.1

    申请日:2002-07-10

    IPC分类号: H03H9/64

    摘要: An inter-digital transducer has
       a piezoelectric substrate; and
       an IDT (inter-digital transducer) electrode having a pair of upper bus bar electrode and lower bus bar electrode placed facing each other on the piezoelectric substrate and a plurality of electrode fingers placed on the piezoelectric substrate each being led out from either the upper bus bar electrode or the lower bus bar electrode toward the other bus bar electrode,
       wherein the IDT electrode is constructed of a plurality of divisional IDT electrodes and connected to a balanced type terminal.

    摘要翻译: 叉指式换能器的基板具有€ƒ€ƒ€ƒ压电; 并且具有一对上部汇流条电极和下部汇流条电极的海誓山盟压电基片上,并放置在压电基片各自的电极指的多元性面对放置€ƒ€ƒ€ƒ到IDT(叉指式换能器)电极 从该上母线电极或朝向另一母线电极下部母线电极引出,€ƒ€ƒ€ƒworin IDT电极构成分开的IDT电极的多个并连接到平衡型端子。

    High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same
    8.
    发明公开
    High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same 有权
    高频过滤器组件,过滤器组件具有发射/接收天线组合并提供无线设备

    公开(公告)号:EP1256997A1

    公开(公告)日:2002-11-13

    申请号:EP01123476.2

    申请日:2001-09-28

    IPC分类号: H01P1/213

    CPC分类号: H01P1/2135 H01P1/2136

    摘要: A high-frequency filter device including at least one filter to be connected to a high-frequency stage of a wireless apparatus, in which the filter includes a voltage-controlled variable frequency resonance element which comprises a resonance element and a voltage-controlled variable impedance element electrically connected to the resonance element. The high-frequency filter device includes a control section for controlling a voltage applied to the variable impedance element, and a signal monitoring section for outputting a control signal, with which the voltage is controlled, to the control section based on frequency data as to an oscillating frequency of a local oscillator of the wireless apparatus, and the signal monitoring section controls a band frequency of the at least one filter based on the frequency data in such a manner that the band frequency is adaptively changed.

    摘要翻译: 包括至少一个过滤器的高频滤波器装置将被连接到的无线装置的高频级,其中,所述滤波器包括其包括谐振元件和一个电压控制的可变阻抗的压控可变频率谐振元件 连接到所述谐振元件电元件。 高频滤波装置包括用于控制施加到可变阻抗元件上的电压的控制部,以及用于输出铃声的控制信号的信号监测部,利用该电压被控制,该控制部基于频率数据,以在 所述无线设备的本机振荡器,和所述信号监测部的振荡频率控制在寻求一种方式基于所述频率数据中的至少一个滤波器的频带的频率做了频带频率被自适应地改变。

    Multilayered ceramic RF device
    9.
    发明公开
    Multilayered ceramic RF device 审中-公开
    Mehrschichtige keramische HF-Anordnung

    公开(公告)号:EP1094538A3

    公开(公告)日:2002-03-20

    申请号:EP00122827.9

    申请日:2000-10-20

    IPC分类号: H01P1/203

    摘要: A multilayered ceramic RF device having at least one radio frequency filter, includes: a low temperature-cofired multilayered ceramic body having a plurality of ceramic layers laminated one upon another and fired together, said low temperature-cofired multilayered ceramic body also having a first electrode pattern formed therein and a second electrode pattern formed thereon, the first and second electrode patterns being electrically connected to one another through a via hole; and a bare semiconductor chip mounted on said low temperature-cofired multilayered ceramic body with a face down bonding, said bare semiconductor chip being coated with a sealing resin. The at least one radio frequency filter is a multilayered filter formed in said low temperature-cofired multilayered ceramic body, and the multilayered filter includes a part of the first and second electrode patterns.

    摘要翻译: 具有至少一个射频滤波器的多层陶瓷RF器件包括:具有层叠在一起的多个陶瓷层并烧结在一起的低温共烧多层陶瓷体,所述低温共烧多层陶瓷体还具有第一电极 形成在其上的第一电极图案和形成在其上的第二电极图案,所述第一和第二电极图案通过通孔彼此电连接; 以及以面朝下接合的方式安装在所述低温共烧多层陶瓷体上的裸半导体芯片,所述裸半导体芯片涂覆有密封树脂。 所述至少一个射频滤波器是形成在所述低温共同多层陶瓷体中的多层滤光器,并且所述多层滤光器包括所述第一和第二电极图案的一部分。

    Antenna duplexer
    10.
    发明公开
    Antenna duplexer 失效
    天线合路器

    公开(公告)号:EP0865095A3

    公开(公告)日:2000-11-22

    申请号:EP98104480.3

    申请日:1998-03-12

    IPC分类号: H01P1/213

    CPC分类号: H01P1/213

    摘要: An antenna duplexer has a transmission input terminal, a receiving output terminal, an antenna terminal in which a transmission output terminal and a receiving input terminal are used in common, a transmission filter having at least one resonance element set between the transmission input terminal and the transmission output terminal and coupled by a coupling element, a receiving filter having at least one resonance element set between the receiving output terminal and said receiving input terminal and coupled by a coupling element, and an impedance variable element connected to the resonance element of the transmission filter and the resonance element of said receiving filter respectively in parallel, wherein the frequency transfer characteristic of the transmission filter and the frequency transfer characteristic of the receiving filter are controlled by applying control signals and thereby changing the impedances of the impedance variable element.