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    • 4. 发明申请
    • Eliminating clock skew by using bidirectional signaling
    • 通过双向信令消除时钟偏移
    • US20070127922A1
    • 2007-06-07
    • US11407315
    • 2006-04-18
    • Vladimir ProdanovMihai BanuBryan Ackland
    • Vladimir ProdanovMihai BanuBryan Ackland
    • H04J14/00
    • G06F1/105H04L7/0012
    • A clock signal distribution circuit including: a signal transmission system having first and second signal transmission lines, each extending from the first end to the second end of the signal transmission system, the first signal transmission line for carrying a first periodic signal from the first end to the second end of the signal transmission system, the second signal transmission line for carrying a second periodic signal from the second end to the first end of the signal transmission system transmission; and a local clock signal generator circuit including a detector system for detecting at a preselected location along the signal transmission system the first and second periodic signals, wherein the generator circuit generates from both the detected first and second periodic signals a local clock signal that has a predetermined skew that is between to the skews of the detected first and second periodic signals.
    • 一种时钟信号分配电路,包括:信号传输系统,具有从信号传输系统的第一端延伸到第二端的第一和第二信号传输线,用于承载来自第一端的第一周期性信号的第一信号传输线 到信号传输系统的第二端,用于承载从信号传输系统传输的第二端到第一端的第二周期信号的第二信号传输线; 以及本地时钟信号发生器电路,其包括用于在信号传输系统的预选位置处检测第一和第二周期信号的检测器系统,其中发生器电路从检测到的第一和第二周期信号两者产生本地时钟信号, 处于检测到的第一和第二周期信号的偏差之间的预定偏移。
    • 6. 发明授权
    • Sampling device having an intrinsic filter
    • 具有固有滤波器的采样装置
    • US06473014B2
    • 2002-10-29
    • US09756353
    • 2001-01-08
    • Mihai BanuCarlo Samori
    • Mihai BanuCarlo Samori
    • H03M100
    • H03H17/0273H03H17/0219
    • A sampling device for sampling an input signal having intrinsic filter properties. The sampling device samples a continuous analog input signal according to a sampling signal. The sampling device includes a first sampling switch for sampling the input signal, in response to a sampling signal, to create a first set of samples. Furthermore, the sampling device incorporates a time delay device for time delaying the first set of samples. The sampling device also includes a phase shift device for phase shifting the input signal. The phase delayed input signal is then fed into a second sampling switch for sampling in response to the sampling signal to create a second set of samples. Further, a summer is incorporated to sum the first set of samples with the second set of samples to create the output samples.
    • 用于对具有固有滤波器特性的输入信号进行采样的采样装置。 采样装置根据采样信号对连续的模拟输入信号进行采样。 采样装置包括第一采样开关,用于响应于采样信号对输入信号进行采样,以产生第一组采样。 此外,采样装置包括用于时间延迟第一组样本的时间延迟装置。 采样装置还包括用于相移输入信号的相移装置。 然后将相位延迟的输入信号馈送到第二采样开关中,以响应于采样信号进行采样以产生第二组采样。 此外,并入夏天以将第一组采样与第二组样本相加以产生输出采样。
    • 7. 发明授权
    • Low cost, active antenna arrays
    • 低成本,有源天线阵列
    • US08611959B2
    • 2013-12-17
    • US13173300
    • 2011-06-30
    • Mihai BanuYiping FengVladimir I. Prodanov
    • Mihai BanuYiping FengVladimir I. Prodanov
    • H04M1/00H04B1/04
    • H04B7/0682H01Q3/26
    • A transmitter system including: a bidirectional signaling (BDS) network having first and second networks for carrying first and second carrier signals, and having a set of n phase synchronous location pairs (ai, bi); and also including tunable transmitter circuits for driving an antenna array, each tunable transmitter circuit having an output line for carrying an output signal and first and second input lines electrically connected to the first and second networks of the BDS network at locations of a corresponding one of the set of phase synchronous location pairs, and including a multiplier having a first input electrically connected to the first input line of that tunable transmitter circuit; a phase setting circuit electrically connected to the multiplier for controlling the phase of the output signal of that tunable transmitter circuit; and an amplitude setting circuit for controlling the amplitude of the output signal of that tunable transmitter circuit.
    • 一种发射机系统,包括:双向信令(BDS)网络,具有用于承载第一和第二载波信号的第一和第二网络,并且具有一组n相同步位置对(ai,bi); 并且还包括用于驱动天线阵列的可调谐发射机电路,每个可调谐发射机电路具有用于承载输出信号的输出线,以及电连接到BDS网络的第一和第二网络的位置处的相应一个 所述相位同步位置对的集合,并且包括具有电连接到所述可调谐发射器电路的第一输入线的第一输入的乘法器; 电连接到乘法器的相位设置电路,用于控制可调谐发射器电路的输出信号的相位; 以及用于控制该可调谐发射机电路的输出信号的振幅的幅度设定电路。
    • 10. 发明申请
    • Skew correction system eliminating phase ambiguity by using reference multiplication
    • 倾斜校正系统通过使用参考倍增来消除相位模糊
    • US20070127930A1
    • 2007-06-07
    • US11397009
    • 2006-04-03
    • Vladimir ProdanovMihai Banu
    • Vladimir ProdanovMihai Banu
    • H04B10/00
    • H03L7/0812G01R31/31726G01R31/31727G06F1/105H03L7/085H03L7/18
    • A system for generating a local clock signal, the system including: a skew correction circuit for receiving first and second periodic signals that have associated skews, wherein the skew correction circuit is configured to use the received first and second periodic signals to generate a third periodic signal that has a fixed skew between the skews of the first and second periodic signals; a phase detector with a first input that receives the third periodic signal from the skew correction circuit and a second input; a variable oscillator for generating an output signal having a frequency that is controlled by the phase detector; and a frequency divider for dividing the frequency of the oscillator's output signal, wherein the frequency-divided output signal is fed back to the second input of the phase detector, and wherein the local clock signal is derived from the oscillator's output signal.
    • 一种用于产生本地时钟信号的系统,所述系统包括:偏斜校正电路,用于接收具有相关偏斜的第一和第二周期信号,其中所述偏斜校正电路被配置为使用所接收的第一和第二周期信号来产生第三周期 信号在第一和第二周期信号的偏差之间具有固定的偏差; 相位检测器,具有从偏斜校正电路接收第三周期信号的第一输入端和第二输入端; 用于产生具有由所述相位检测器控制的频率的输出信号的可变振荡器; 以及分频器,用于分频振荡器的输出信号的频率,其中分频输出信号被反馈到相位检测器的第二输入端,并且其中本地时钟信号从振荡器的输出信号导出。