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    • 1. 发明授权
    • Cascode amplifier and method for controlling current of cascode amplifier
    • 串级放大器和共源共栅放大器电流控制方法
    • US07737790B1
    • 2010-06-15
    • US12421615
    • 2009-04-09
    • Yen-Horng ChenYu-Hsin Lin
    • Yen-Horng ChenYu-Hsin Lin
    • H03F3/04
    • H03F1/223
    • A cascode amplifier includes a first transistor, a second transistor, a third transistor, a fourth transistor and a bias circuit. Each of the transistors has a gate electrode, a first electrode and a second electrode, a first electrode of the first transistor is coupled to a second electrode of the second transistor, a first electrode of the third transistor is coupled to a second electrode of the fourth transistor, and gate electrodes of the third and the fourth transistors are coupled to gate electrodes of the first and the second transistors, respectively. The bias circuit is coupled to the first electrode of the fourth transistor, and is used for biasing a voltage level at the first electrode of the fourth transistor to make the second and the fourth transistors operate in a same region.
    • 级联放大器包括第一晶体管,第二晶体管,第三晶体管,第四晶体管和偏置电路。 每个晶体管具有栅电极,第一电极和第二电极,第一晶体管的第一电极耦合到第二晶体管的第二电极,第三晶体管的第一电极耦合到第二晶体管的第二电极 第四晶体管和第三和第四晶体管的栅电极分别耦合到第一和第二晶体管的栅电极。 偏置电路耦合到第四晶体管的第一电极,并且用于偏置第四晶体管的第一电极处的电压电平,以使第二和第四晶体管在相同的区域中工作。
    • 2. 发明授权
    • Control module mounted on handlebar of bicycle
    • 控制模块安装在自行车车把上
    • US08863613B2
    • 2014-10-21
    • US13569421
    • 2012-08-08
    • Yu-Hsin Lin
    • Yu-Hsin Lin
    • B62K21/26B62K23/06B60T11/04B60T7/10
    • B62K23/06B60T7/102B60T11/046B62K21/12B62K21/26Y10T74/2028Y10T74/20828
    • A control module, which is mounted on a handlebar of a bicycle, includes a base, a grip, a control bar, and a bolt. The base has a hole, and the hole has a first section and a second section, wherein the second section is bigger than the first section. The base is fitted to the handlebar whereby a sidewall of the first section touches the handlebar. The grip is fitted to the handlebar, and has a portion received in the second section of the hole of the base. The control bar is provided on the base to control a brake module or a derailleur module. The bolt is provided on the base, wherein both the base and the grip are fixed to the handlebar at the same time by tightening the bolt.
    • 安装在自行车的车把上的控制模块包括底座,把手,控制杆和螺栓。 基部具有孔,孔具有第一部分和第二部分,其中第二部分大于第一部分。 底座安装在把手上,由此第一部分的侧壁与把手接触。 把手被装配到把手上,并且具有容纳在基座的孔的第二部分中的部分。 控制杆设置在基座上,用于控制制动模块或拨链器模块。 螺栓设置在基座上,其中基座和把手通过拧紧螺栓同时固定在车把上。
    • 9. 发明授权
    • Class AB amplifier
    • AB类放大器
    • US07795975B2
    • 2010-09-14
    • US12038122
    • 2008-02-27
    • Yu-Hsin LinHsueh-Kun Liao
    • Yu-Hsin LinHsueh-Kun Liao
    • H03F3/45
    • H03F3/45183H03F3/3022H03F2203/30084H03F2203/30117H03F2203/45668
    • An amplifier is disclosed. An input transistor receives an input voltage. An impedance unit is coupled to a first electrode of the input transistor. A current source is coupled to a second electrode of the input transistor. A push-pull output circuit comprises a PMOS transistor and a NMOS transistor electrically connected in series to output an output voltage. The first electrode of the input transistor is coupled to a control terminal of the NMOS transistor. A level shifting unit is coupled between the first electrode of the input transistor and the push-pull output circuit, for shifting a voltage of the first electrode of the input transistor and providing a shifted voltage corresponding to the voltage of the first electrode of the input transistor to the control terminal of the PMOS transistor.
    • 公开了放大器。 输入晶体管接收输入电压。 阻抗单元耦合到输入晶体管的第一电极。 电流源耦合到输入晶体管的第二电极。 推挽输出电路包括串联电连接以输出输出电压的PMOS晶体管和NMOS晶体管。 输入晶体管的第一电极耦合到NMOS晶体管的控制端。 电平移位单元耦合在输入晶体管的第一电极和推挽输出电路之间,用于移位输入晶体管的第一电极的电压,并提供与输入的第一电极的电压相对应的移位电压 晶体管连接到PMOS晶体管的控制端。