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    • 5. 发明授权
    • Power control
    • 功率控制
    • US08570105B2
    • 2013-10-29
    • US13372823
    • 2012-02-14
    • Gerard WimpennyRobert Henshaw
    • Gerard WimpennyRobert Henshaw
    • H03G3/20
    • H03F1/0233H03F1/02H03F1/0227H03F3/19H03F3/24H03F3/245H03F2200/102H03F2200/451H03G3/007
    • There is provided an amplification stage comprising: an input scaling block for scaling an input signal in dependence on an input scaling factor to generate a scaled version of the input signal; a power amplifier for generating an amplified version of the scaled input signal; an envelope detector for generating a signal representing the envelope of the input signal; an envelope scaling block for scaling the envelope signal in dependence on an envelope scaling factor to generate a scaled version of the envelope signal; a non-linear mapping block for generating a voltage representative of the supply voltage in dependence on the scaled envelope signal; a modulator for generating a power supply voltage for the amplifier in dependence on the voltage generated by the non-linear mapping block; and a power control block for maintaining a linear relationship between the envelope scaling factor and the input scaling factor.
    • 提供了一种放大级,包括:输入缩放块,用于根据输入缩放因子对输入信号进行缩放,以生成输入信号的缩放版本; 用于产生经缩放的输入信号的放大版本的功率放大器; 包络检测器,用于产生表示输入信号的包络的信号; 信封缩放块,用于根据包络缩放因子对包络信号进行缩放,以产生包络信号的缩放版本; 非线性映射块,用于根据所缩放的包络信号产生代表电源电压的电压; 调制器,用于根据由非线性映射块产生的电压产生放大器的电源电压; 以及用于维持包络缩放因子和输入缩放因子之间的线性关系的功率控制块。
    • 6. 发明申请
    • Power Control
    • 功率控制
    • US20120229208A1
    • 2012-09-13
    • US13372823
    • 2012-02-14
    • Gerard WimpennyRobert Henshaw
    • Gerard WimpennyRobert Henshaw
    • H03G3/20
    • H03F1/0233H03F1/02H03F1/0227H03F3/19H03F3/24H03F3/245H03F2200/102H03F2200/451H03G3/007
    • There is provided an amplification stage comprising: an input scaling block for scaling an input signal in dependence on an input scaling factor to generate a scaled version of the input signal; a power amplifier for generating an amplified version of the scaled input signal; an envelope detector for generating a signal representing the envelope of the input signal; an envelope scaling block for scaling the envelope signal in dependence on an envelope scaling factor to generate a scaled version of the envelope signal; a non-linear mapping block for generating a voltage representative of the supply voltage in dependence on the scaled envelope signal; a modulator for generating a power supply voltage for the amplifier in dependence on the voltage generated by the non-linear mapping block; and a power control block for maintaining a linear relationship between the envelope scaling factor and the input scaling factor.
    • 提供了一种放大级,其包括:输入缩放块,用于根据输入缩放因子对输入信号进行缩放,以生成输入信号的缩放版本; 用于产生经缩放的输入信号的放大版本的功率放大器; 包络检测器,用于产生表示输入信号的包络的信号; 信封缩放块,用于根据包络缩放因子对包络信号进行缩放,以产生包络信号的缩放版本; 非线性映射块,用于根据所缩放的包络信号产生代表电源电压的电压; 调制器,用于根据由非线性映射块产生的电压产生放大器的电源电压; 以及用于维持包络缩放因子和输入缩放因子之间的线性关系的功率控制块。
    • 10. 发明授权
    • Transformer based voltage combiner with inductive shunt
    • 基于变压器的电压组合器,具有感性分流
    • US08669745B2
    • 2014-03-11
    • US12919668
    • 2009-02-27
    • Gerard Wimpenny
    • Gerard Wimpenny
    • G05F1/10
    • H03F1/0211H01F27/34H01F27/42H02M1/40H03F1/0227H03F2200/504
    • In accordance with the invention there is also provided a voltage combiner comprising: a transformer having a first and second winding each having a first and second tap; and an inductor connected between the first and second taps of the second winding, wherein: the first tap of the first winding is adapted for connection to a first voltage, the first tap of the second winding is adapted for connection to a second voltage, and the second tap of the second winding is adapted to provide an output being the first and second voltages combined, and further wherein: the inductor is adapted to provide a bypass path for the current associated with the second voltage.
    • 根据本发明,还提供了一种电压组合器,包括:变压器,具有第一和第二绕组,每个绕组具有第一和第二抽头; 以及连接在第二绕组的第一和第二抽头之间的电感器,其中:第一绕组的第一抽头适于连接到第一电压,第二绕组的第一抽头适于连接到第二电压,以及 第二绕组的第二抽头适于提供组合的第一和第二电压的输出,并且其中:所述电感器适于为与所述第二电压相关联的电流提供旁路路径。