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    • 4. 发明公开
    • METHOD AND APPARATUS FOR FREQUENCY SUPERVISION
    • 用于频率监视的方法和设备
    • EP3244557A1
    • 2017-11-15
    • EP16305548.6
    • 2016-05-11
    • ALCATEL LUCENT
    • KOCH, Werner
    • H04J3/14G01R25/00H04J3/06H03D13/00
    • H04J3/14G01R25/00H04J3/0685H04J3/0697
    • This application relates to a method for supervising a frequency of a main clock signal. The method comprises: measuring a plurality of first frequency values of the main clock signal based on an external time signal, measuring a plurality of second frequency values of the main clock signal based on a local reference signal, comparing the measured plurality of first frequency values of the main clock signal, comparing the measured plurality of second frequency values of the main clock signal, determining a relative long-term frequency change between the main clock signal and the external time signal based on the comparison of the measured plurality of first frequency values of the main clock signal and determining whether a relative frequency change exists between the main clock signal and the local reference signal based on the comparison of the measured plurality of second frequency values of the main clock signal. The application further relates to a frequency supervision apparatus for supervising a frequency of a main clock signal.
    • 本申请涉及用于监控主时钟信号的频率的方法。 该方法包括:基于外部时间信号测量主时钟信号的多个第一频率值,基于本地参考信号测量主时钟信号的多个第二频率值,将测量的多个第一频率值 比较主时钟信号的测量的多个第二频率值,基于测量的多个第一频率值的比较来确定主时钟信号与外部时间信号之间的相对长期频率变化 并且基于所测量的主时钟信号的多个第二频率值的比较来确定主时钟信号和本地参考信号之间是否存在相对频率变化。 本申请还涉及一种用于监控主时钟信号的频率的频率监控装置。
    • 5. 发明公开
    • METHOD FOR USING AN ACCURATE ADJUSTABLE HIGH-FREQUENCY PHASE-DETECTOR
    • VERFAHREN ZUR VERWENDUNG EINESPRÄZISEEINSTELLBAREN HOCHFREQUENZ-PHASENDETEKTORS
    • EP3155719A1
    • 2017-04-19
    • EP15806097.0
    • 2015-05-18
    • Catena Holding bv
    • VAN DER CAMMEN, Peter
    • H03D7/14G01R25/00H03D13/00
    • G01R25/00G01R25/02G01R25/04H03D7/14H03D7/1433H03D7/1458H03D13/00H03K5/26
    • The method determines an input phase differential (Δφ) between two input signals. A phase detector is provided that has pairs of transistors and a first impedance (R1) connected to a first branch carrying a first signal (Iout_left) and a second impedance (R2) connected to a second branch carrying a second signal (Iout_right). The first signal (Iout_left) in the first branch is set as a first sum of a common mode output signal (Icm) and a differential mode output signal (Idm). The second signal (Iout_right) in the second branch is set as a second sum of the common mode output signal (Icm) minus the differential mode output signal (Idm). A relationship between the first impedance (R1) and the second impedance (R2) is adjusted until a differential mode output voltage (Vdm) of the phase detector is zero. The input phase differential (Δφ) is determined when the differential mode output voltage (Vdm) is zero.
    • 该方法确定两个输入信号之间的输入相位差(Δφ)。 提供一种相位检测器,其具有成对的晶体管和连接到承载第一信号(Iout_left)的第一分支和连接到承载第二信号(Iout_right)的第二分支的第二阻抗(R2))的第一阻抗(R1)。 第一分支中的第一信号(Iout_left)被设置为共模输出信号(Icm)和差模输出信号(Idm)的第一和。 第二分支中的第二信号(Iout_right)被设置为共模输出信号(Icm)减去差模输出信号(Idm)的第二和。 调整第一阻抗(R1)和第二阻抗(R2)之间的关系,直到相位检测器的差模输出电压(Vdm)为零为止。 当差分模式输出电压(Vdm)为零时,确定输入相位差(Δφ)。
    • 6. 发明公开
    • Circuit for detecting phase shift applied to an RF signal
    • Schaltung zur Detektion von auf ein HF-Signal applistierter Phasenverschiebung
    • EP2983290A1
    • 2016-02-10
    • EP14290234.5
    • 2014-08-07
    • NXP B.V.
    • Tourret, Jean-Robert
    • H03D13/00H05B6/68
    • H03H17/08H03D13/00H05B6/686H05B6/705H05B6/72Y02B40/143Y02B40/146
    • An RF circuit and method for detecting the amount of phase shift applied to an RF signal. An RF heating apparatus including the RF circuit. The RF circuit includes a phase shifter operable to apply a phase shift to a reference signal to produce a phase shifted reference signal. The RF circuit also includes a phase detector operable to detect a phase difference between the phase shifted RF signal and the phase shifted reference signal. The phase detector has a reduced input range at a frequency of the phase shifted RF signal. The RF circuit further includes a controller operable to control the phase shifter to set the phase of the phase shifted reference signal so that the phase difference between the phase shifted RF signal and the phase shifted reference signal falls within the reduced input range of the phase detector.
    • 一种用于检测施加到RF信号的相移量的RF电路和方法。 一种RF加热设备,包括RF电路。 RF电路包括一个移相器,可操作以将相移施加到参考信号以产生相移基准信号。 RF电路还包括相位检测器,其可操作以检测相移RF信号和相移参考信号之间的相位差。 相位检测器在相移RF信号的频率处具有减小的输入范围。 RF电路还包括控制器,其可操作以控制移相器设置相移参考信号的相位,使得相移RF信号和相移参考信号之间的相位差落在相位检测器的减小的输入范围内 。