发明名称 Method and arrangement for performing analog signal processing and measuring between a signal source and a load
摘要 A method and arrangement is shown for performing analog signal processing tasks like impedance matching, phase shifting, and/or signal filtering on a signal path from a signal source to a load so that a number of electrical components is smaller than that of solutions according to prior art for performing corresponding analog signal processing tasks. The signal source can be e.g. a power amplifier of a transmitter and the load can be e.g. an antenna of the transmitter. A solution is shown in which a same ninety degree phase shifter element (910) is used for performing more than one of the analog signal processing tasks of the kind mentioned above.
申请公布号 US7620376(B2) 申请公布日期 2009.11.17
申请号 US20050267025 申请日期 2005.11.03
申请人 NOKIA CORPORATION 发明人 VAEISAENEN RISTO
分类号 H03C1/52 主分类号 H03C1/52
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