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    Inductor-capacitor oscillator with embedded second harmonic filter and associated dual core oscillator
    90.
    发明授权
    Inductor-capacitor oscillator with embedded second harmonic filter and associated dual core oscillator 有权

    公开(公告)号：US11152891B1

    公开(公告)日：2021-10-19

    申请号：US17114410

    申请日：2020-12-07

    申请人： MEDIATEK INC.

    发明人： Hao-Wei Huang ,  Ang-Sheng Lin ,  Wei-Hao Chiu

    IPC分类号： H03B5/12 ,  H03B1/04

    摘要： An inductor-capacitor (LC) oscillator with an embedded second harmonic filter and an associated dual core oscillator are provided. The LC oscillator includes a first transistor, a second transistor, a first part-one inductor, a second part-one inductor, a part-one capacitor, a part-two inductor and at least one part-two capacitor. A first end of the first part-one inductor and a first end of the second part-one inductor are coupled to gate terminals of the second transistor and the first transistor, respectively. The part-one capacitor is coupled between the first end of the first part-one inductor and the first end of the second part-one inductor. The part-two inductor is coupled between a second end of the first part-one inductor and a second end of the second part-one inductor. The at least one part-two capacitor is coupled to drain terminals of the first transistor and the second transistor.