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Multiband Filter Circuitry, Multiband Duplexer Circuitry, and Related Radio-Frequency System
Multiband Filter Circuitry, Multiband Duplexer Circuitry, and Related Radio-Frequency System
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机译:多频带滤波器电路,多频带双工器电路以及相关的射频系统
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摘要
A multiband filter circuitry utilized in a radio-frequency (RF) system is disclosed. The multiband filter circuitry operates at a plurality of operating frequency bands. The multiband filter circuitry comprises at least a switchable-filtering series. Each of the at least a switchable-filtering series comprises a first terminal coupled between the antenna and the RF processing unit; a second terminal coupled to a ground; and a plurality of switchable-filtering units connected in series, each comprising a filtering unit; and a switching unit, connected to the filtering unit in parallel.
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