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    • 2. 发明申请
    • DIFFERENTIAL RF AMPLIFIER
    • 差分射频放大器
    • WO2009127724A1
    • 2009-10-22
    • PCT/EP2009/054594
    • 2009-04-17
    • STMICROELECTRONICS (GRENOBLE) SASTOUZARD, OlivierSORDET, Fabien
    • TOUZARD, OlivierSORDET, Fabien
    • H03F3/45H03F1/26H03F1/32
    • H03F3/4508H03F1/26H03F1/3211H03F3/45484H03F2200/372H03F2203/45296H03F2203/45298H03F2203/45318H03F2203/45338H03F2203/45392H03F2203/45632
    • An RF amplifier comprising first and second branches (205, 206) coupled in parallel between first and second supply voltage terminals,and a differential pair including first and second transistors (207, 208) each having first and second main current terminals, the second main current terminal of the first transistor being coupled by a first capacitor (228, 226) to the first main current terminal of the second transistor, and the second main current terminal of the second transistor being coupled by a second capacitor (226, 228) to the first main current terminal of the first transistor, wherein the first branch includes a first resistor (213, 302) coupled between the first main current terminal of the first transistor and the second capacitor, and the second branch comprises a second resistor (221, 304) coupled between the first main current terminal of the second transistor and the first capacitor.
    • 一种RF放大器,包括在第一和第二电源电压端子之间并联耦合的第一和第二分支(205,206),以及包括第一和第二晶体管(207,208)的差分对,每个具有第一和第二主电流端子,第二主电极 第一晶体管的电流端子由第一电容器(228,226)耦合到第二晶体管的第一主电流端子,并且第二晶体管的第二主电流端子由第二电容器(226,228)耦合到 所述第一晶体管的第一主电流端子,其中所述第一支路包括耦合在所述第一晶体管的所述第一主电流端子和所述第二电容器之间的第一电阻器,所述第二支路包括第二电阻器, 304),其耦合在第二晶体管的第一主电流端子和第一电容器之间。
    • 8. 发明申请
    • METHOD AND DEVICE FOR ESTIMATING PARAMETERS OF A SYSTEM FOR SPREADING THE SPECTRUM OF A CLOCK SIGNAL
    • 用于估计用于传播时钟信号频谱的系统参数的方法和装置
    • WO2010043492A1
    • 2010-04-22
    • PCT/EP2009/062586
    • 2009-09-29
    • STMICROELECTRONICS (GRENOBLE) SASLE-GALL, Hervé
    • LE-GALL, Hervé
    • H04B1/69H04B14/02H03K5/19
    • H03K5/19
    • A method for estimating parameters of a system for spreading the spectrum of a first periodic signal according to a modulation period. An embodiment comprises the steps of sampling the first signal by means of a second periodic signal, of determining based on the sampling result each occurrence where the first and second signals are synchronous, of incrementing a first counter at each sampling, the first counter being reset at each said occurrence, of storing at each said occurrence the last value of the first counter before resetting, of providing a third periodic signal at a first level when said last value is greater than a threshold and at a second level when said last value is smaller than the threshold, and of determining the modulation period based on the period of the third signal.
    • 一种用于估计用于根据调制周期扩展第一周期信号的频谱的系统的参数的方法。 一个实施例包括以下步骤:借助于第二周期信号对第一信号进行采样,根据每个采样结果确定第一和第二信号是同步的,在每次采样时递增第一个计数器,第一个计数器被复位 在每个所述发生时,在每个所述出现的情况下存储在复位之前的第一计数器的最后值,当所述最后一个值大于阈值时提供第一等级的第三周期信号,而当所述最后一个值为 小于阈值,并且基于第三信号的周期来确定调制周期。