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    • 47. 发明申请
    • SECOND ORDER DYNAMIC ELEMENT ROTATION SCHEME
    • 第二个动态元素旋转方案
    • WO2011137085A1
    • 2011-11-03
    • PCT/US2011/033838
    • 2011-04-26
    • ROBERT BOSCH GMBHVANDERHAEGEN, Johan, PeterLANG, ChristophLU, Crist, Y.
    • VANDERHAEGEN, Johan, PeterLANG, ChristophLU, Crist, Y.
    • H03M1/06
    • H03M3/338H03M3/39H03M3/43H03M3/454
    • A sensor system for generating sample analog signals for processing by a signal processing circuit that utilizes non-constant weights includes a plurality of signal generating elements and a switching network having a plurality of switches operably coupled to the plurality of signal generating elements. The switching network is configured to switch the plurality of signal generating elements between a plurality of different configurations. The system includes a dynamic element matching (DEM) control system for controlling the switch network to implement a second order DEM rotation scheme in which the plurality of signal generating elements are switched to each configuration in the plurality of configurations in a first sequence and then switched to each configuration in the plurality in a second sequence, the second sequence being the reverse of the first sequence.
    • 用于产生用于由利用非常数权重的信号处理电路处理的采样模拟信号的传感器系统包括多个信号产生元件和具有可操作地耦合到多个信号产生元件的多个开关的开关网络。 交换网络被配置为在多个不同配置之间切换多个信号产生元件。 该系统包括用于控制交换网络以实现二阶DEM旋转方案的动态元素匹配(DEM)控制系统,其中多个信号产生元件以第一序列切换到多个配置中的每个配置,然后切换 对于第二序列中的多个中的每个配置,第二序列与第一序列相反。