公开(公告)号：US09094042B2

公开(公告)日：2015-07-28

申请号：US13963788

申请日：2013-08-09

Applicant: Silicon Laboratories Inc.

Inventor： Péter Onódy ,  Abdulkerim L. Coban

IPC: H03M1/66

CPC classification number: H03M1/66 ,  H03M1/0648 ,  H03M1/687 ,  H03M1/745 ,  H03M1/747

Abstract: First order gradient errors are canceled with no current source splitting by placing consecutive current sources symmetrically around the center of the array. Consecutive elements that correspond to small input amplitudes (mid-scale codes) make a smaller spatial jump than those correspond to larger signal amplitudes. Both linear and second order gradients are reduced by splitting each current cell into two and placing sub-elements symmetrically with respect to the center of the array to address the linear gradient effect. To address second order gradients, current element placement follows a pattern such that consecutive element pairs are chosen with one of the pair being placed with respect to the zero error contour of the second order gradient so as to have a positive error and the second of the pair being placed so as to have a negative error resulting in reduced second order error accumulation.

Abstract translation: 通过将连续的电流源对称地围绕阵列的中心来消除第一阶梯度误差，没有电流源分裂。 对应于小输入幅度（中等尺度代码）的连续元件比对应于较大信号幅度的空间跳跃小。 通过将每个当前单元分成两个并将子元素相对于阵列的中心对称放置以解决线性梯度效应，可以减少线性和二阶梯度。 为了解决二阶梯度，当前元素放置遵循模式，使得连续的元素对被选择，其中一对中的一个相对于二阶梯度的零误差轮廓被放置，以便具有正的误差，而第二个 对被放置成具有导致减少的二阶误差累积的负误差。

公开(公告)号：US08983419B2

公开(公告)日：2015-03-17

申请号：US14195064

申请日：2014-03-03

Applicant: Silicon Laboratories Inc.

Inventor： Ramin Khoini-Poorfard ,  Alessandro Piovaccari ,  Aslamali A. Rafi ,  Mustafa H. Koroglu ,  David S. Trager ,  Abdulkerim L. Coban

IPC: H04B1/06 ,  H04N5/50 ,  H04B1/30 ,  H04B1/28 ,  H03H11/04 ,  H04N5/455

CPC classification number: H04B1/28 ,  H03H11/04 ,  H04B1/30 ,  H04L27/148 ,  H04N5/455 ,  H04N5/50

Abstract: An integrated receiver includes a first signal processing path, a second signal processing path, and a controller. The first signal processing path has an input and an output for providing a first processed signal, and comprises a first tracking bandpass filter having a first integrated inductor formed with windings in a first number of metal layers of the integrated receiver. The second signal processing path has an input and an output for providing a second processed signal, and comprises a second tracking bandpass filter having a second integrated inductor formed with windings in a second number of metal layers of the integrated receiver. The second number of windings is lower than the first number. The controller enables one of the first and second signal processing paths corresponding to a selected channel of a radio frequency (RF) input signal to provide an output signal.

Abstract translation: 集成接收机包括第一信号处理路径，第二信号处理路径和控制器。 第一信号处理路径具有用于提供第一处理信号的输入和输出，并且包括第一跟踪带通滤波器，该第一跟踪带通滤波器具有由集成接收器的第一数量的金属层中的绕组形成的第一集成电感器。 第二信号处理路径具有用于提供第二处理信号的输入和输出，并且包括第二跟踪带通滤波器，该第二跟踪带通滤波器具有形成有集成接收器的第二数量金属层中的绕组的第二集成电感器。 第二个绕组数量低于第一个数量。 控制器使得与射频（RF）输入信号的所选频道相对应的第一和第二信号处理路径之一提供输出信号。

公开(公告)号：US20150042498A1

公开(公告)日：2015-02-12

申请号：US13963788

申请日：2013-08-09

Applicant: Silicon Laboratories Inc.

Inventor： Peter Onody ,  Abdulkerim L. Coban

IPC: H03M1/66

CPC classification number: H03M1/66 ,  H03M1/0648 ,  H03M1/687 ,  H03M1/745 ,  H03M1/747

Abstract: First order gradient errors are canceled with no current source splitting by placing consecutive current sources symmetrically around the center of the array. Consecutive elements that correspond to small input amplitudes (mid-scale codes) make a smaller spatial jump than those correspond to larger signal amplitudes. Both linear and second order gradients are reduced by splitting each current cell into two and placing sub-elements symmetrically with respect to the center of the array to address the linear gradient effect. To address second order gradients, current element placement follows a pattern such that consecutive element pairs are chosen with one of the pair being placed with respect to the zero error contour of the second order gradient so as to have a positive error and the second of the pair being placed so as to have a negative error resulting in reduced second order error accumulation.

Abstract translation: 通过将连续的电流源对称地围绕阵列的中心来消除第一阶梯度误差，没有电流源分裂。 对应于小输入幅度（中等尺度代码）的连续元件比对应于较大信号幅度的空间跳跃小。 通过将每个当前单元分成两个并将子元素相对于阵列的中心对称放置以解决线性梯度效应，可以减少线性和二阶梯度。 为了解决二阶梯度，当前元素放置遵循模式，使得连续的元素对被选择，其中一对中的一个相对于二阶梯度的零误差轮廓被放置，以便具有正的误差，而第二个 对被放置成具有导致减少的二阶误差累积的负误差。

公开(公告)号：US20140176806A1

公开(公告)日：2014-06-26

申请号：US14195064

申请日：2014-03-03

Applicant: Silicon Laboratories Inc.

Inventor： Ramin Khoini-Poorfard ,  Alessandro Piovaccari ,  Aslamali A. Rafi ,  Mustafa H. Koroglu ,  David S. Trager ,  Abdulkerim L. Coban

IPC: H04N5/50 ,  H04N5/455 ,  H03H11/04

CPC classification number: H04B1/28 ,  H03H11/04 ,  H04B1/30 ,  H04L27/148 ,  H04N5/455 ,  H04N5/50

Abstract: An integrated receiver includes a first signal processing path, a second signal processing path, and a controller. The first signal processing path has an input and an output for providing a first processed signal, and comprises a first tracking bandpass filter having a first integrated inductor formed with windings in a first number of metal layers of the integrated receiver. The second signal processing path has an input and an output for providing a second processed signal, and comprises a second tracking bandpass filter having a second integrated inductor formed with windings in a second number of metal layers of the integrated receiver. The second number of windings is lower than the first number. The controller enables one of the first and second signal processing paths corresponding to a selected channel of a radio frequency (RF) input signal to provide an output signal.

Abstract translation: 集成接收机包括第一信号处理路径，第二信号处理路径和控制器。 第一信号处理路径具有用于提供第一处理信号的输入和输出，并且包括第一跟踪带通滤波器，该第一跟踪带通滤波器具有由集成接收器的第一数量的金属层中的绕组形成的第一集成电感器。 第二信号处理路径具有用于提供第二处理信号的输入和输出，并且包括第二跟踪带通滤波器，该第二跟踪带通滤波器具有形成有集成接收器的第二数量金属层中的绕组的第二集成电感器。 第二个绕组数量低于第一个数量。 控制器使得与射频（RF）输入信号的所选频道相对应的第一和第二信号处理路径之一提供输出信号。