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    • 23. 发明申请
    • HIGH FREQUENCY ELECTRICAL CONNECTOR
    • 高频电气连接器
    • US20150056856A1
    • 2015-02-26
    • US14472270
    • 2014-08-28
    • Amphenol Corporation
    • Prescott B. AtkinsonBrian KirkMark W. GailusDavid ManterThomas S. Cohen
    • H01R13/658H01R24/68
    • H01R13/6461H01R12/585H01R12/724H01R12/735H01R13/504H01R13/514H01R13/6471H01R13/6477H01R13/658H01R13/6585H01R13/6587H01R13/6598H01R24/62H01R24/68
    • An improved broadside coupled, open pin field connector. The connector incorporates lossy material to selectively dampen resonance within pairs of conductive members connected to ground when the connector is mounted to a printed circuit board. The material may also decrease crosstalk and mode conversion. The lossy material is selectively positioned to substantially dampen resonances along pairs that may be connected to ground without unacceptably attenuating signals carried by other pairs. The lossy material may be selectively positioned near mating contact portions of the conductive members. Multiple techniques are described for selectively positioning the lossy material, including molding, inserting lossy members into a housing or coating surfaces of the connector housing. The lossy material alternatively may be positioned between broad sides of conductive members of a pair. By using material of relatively low loss, loss when the conductive members are used to carry signals is relatively low, but an appreciable attenuation of resonances is provided on pairs connected to ground. As a result, an overall improvement of signal to noise ratio is achieved.
    • 一个改进的宽边耦合,开放引脚现场连接器。 当连接器安装到印刷电路板上时,连接器包含有损耗材料以选择性地抑制连接到地面的成对的导电构件内的谐振。 该材料还可以减少串扰和模式转换。 选择性地定位有损耗材料以基本上抑制可能连接到地面的成对的谐振,而不会有不可接受地衰减由其他对承载的信号。 有损材料可以选择性地定位在导电构件的匹配接触部分附近。 描述了用于选择性地定位有损材料的多种技术,包括模制,将有损构件插入到连接器壳体的壳体或涂层表面中。 有损耗材料可替代地位于一对导电构件的宽侧之间。 通过使用相对较低损耗的材料,当导电构件用于承载信号时的损耗相对较低,但是在连接到地面的对上提供明显的谐振衰减。 结果,实现了信噪比的全面提高。