TERMINATIONLESS POWER SPLITTER/COMBINER
    4.
    发明申请
    TERMINATIONLESS POWER SPLITTER/COMBINER 审中-公开
    终端电力分配器/组合器

    公开(公告)号:US20150222004A1

    公开(公告)日:2015-08-06

    申请号:US14684821

    申请日:2015-04-13

    CPC classification number: H01P5/222 H01P5/16 H01Q3/26 H01Q21/0075 Y10T29/49016

    Abstract: An apparatus is provided. First and second hybrid couplers are provided with each having a first port, a second port, a third port, a fourth port and with each being substantially curvilinear. The fourth ports of the first and second hybrid couplers are first and second isolation port that are mutually coupled. The first port of the first hybrid coupler is configured to carry a first portion of a differential signal, and the first port of the second hybrid coupler is configured to carry a second portion of the differential signal.

    Abstract translation: 提供了一种装置。 提供了第一和第二混合耦合器,每个耦合器具有第​​一端口,第二端口,第三端口,第四端口,并且每个具有大致曲线。 第一和第二混合耦合器的第四端口是相互耦合的第一和第二隔离端口。 第一混合耦合器的第一端口被配置为承载差分信号的第一部分,并且第二混合耦合器的第一端口被配置为承载差分信号的第二部分。

    DIFFERENTIAL MEASUREMENT OF IR ABSORPTION IN PLASMONIC MEMS SENSORS

    公开(公告)号:US20250076190A1

    公开(公告)日:2025-03-06

    申请号:US18950734

    申请日:2024-11-18

    Abstract: In some examples, an apparatus comprises a chopper, a first microelectromechanical system (MEMS) device, a second MEMS device, and a processing circuit. The chopper configured is to repeatedly switch states to enable and disable provision of a light signal. The first MEMS device is configured to provide first and second irradiance signals when the chopper is in, respectively, first and second states The second MEMS device is configured to provide first and second reference signals when the chopper is in, respectively, the first and second states. The processing circuit is configured to generate a first signal based on the first irradiance signal and the first reference signal, generate a second signal based on the second irradiance signal and the second reference signal, and provide a third signal at the processing output representing an irradiance measurement of the light source based on a difference between the first and second signals.

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