公开(公告)号：US20140321514A1

公开(公告)日：2014-10-30

申请号：US13873720

申请日：2013-04-30

Applicant: RAYTHEON COMPANY

Inventor： Jack W. Lee ,  Michael E. Yeomans ,  Carissa L. Pichon ,  James P. Dumais

IPC: H04L1/20

CPC classification number: H04L1/205 ,  H04L7/00 ,  H04L7/0338

Abstract: Embodiments of a synchronous data system and method for generating phase-aligned output data are generally described herein. In some embodiments, the synchronous data system includes a plurality of transmitter-receiver (TX-RX) pairs, each associated with a delay-locked loop (DLL) and arranged to generate corresponding output data stream based on a high-speed clock of the associated TX-RX pair. The DLL associated with each TX-RX pair is a phase-shifter DLL that includes an adjustable phase shifter arranged to minimize the phase error between the system clock and the module clock to edge-align the high-speed clocks of each TX-RX pair.

Abstract translation: 本文一般地描述用于产生相位对准的输出数据的同步数据系统和方法的实施例。 在一些实施例中，同步数据系统包括多个发射机 - 接收机（TX-RX）对，每个发射机 - 接收机对（TX-RX）与延迟锁定环路（DLL）相关联，并被安排成基于高速时钟生成相应的输出数据流 关联的TX-RX对。 与每个TX-RX对相关联的DLL是移相器DLL，其包括可调移相器，其被布置为最小化系统时钟和模块时钟之间的相位误差，以使每个TX-RX对的高速时钟对齐 。

公开(公告)号：US09083351B1

公开(公告)日：2015-07-14

申请号：US13794329

申请日：2013-03-11

Applicant: Raytheon Company

Inventor： Jack W. Lee ,  David M. Upton ,  Michael E. Yeomans ,  Marc S. Wald ,  James P. Dumais

IPC: H03L7/00 ,  H03L7/02 ,  H03L7/12 ,  H01P1/20 ,  H03L7/093

CPC classification number: H03L7/12 ,  H01P1/20 ,  H03L7/0812 ,  H03L7/093

Abstract: A high spectral purity swept local oscillator including a tracking filter. The output of a swept DDS oscillator may be improved by filtering it with a band-pass filter having an adjustable center frequency, which is adjusted in real time to track the instantaneous frequency of the DDS oscillator. The tracking may be accomplished by comparing, using a phase comparator, the phase at the output of the band-pass filter to the phase at its input, and feeding back to the frequency control input of the band-pass filter a signal corresponding to the phase difference measured by the phase comparator.

Abstract translation: 包括跟踪滤波器的高频纯度扫频本地振荡器。 扫描DDS振荡器的输出可以通过用具有可调节的中心频率的带通滤波器进行滤波来提高，该滤波器可以实时调整以跟踪DDS振荡器的瞬时频率。 可以通过使用相位比较器将带通滤波器的输出端的相位与其输入端的相位进行比较，并将带通滤波器的频率控制输入反馈到与 由相位比较器测量的相位差。

公开(公告)号：US09025714B2

公开(公告)日：2015-05-05

申请号：US13873720

申请日：2013-04-30

Applicant: Raytheon Company

Inventor： Jack W. Lee ,  Michael E. Yeomans ,  Carissa L. Pichon ,  James P. Dumais

IPC: H04L7/00 ,  H04B1/26 ,  H04L1/20 ,  H04L7/033

CPC classification number: H04L1/205 ,  H04L7/00 ,  H04L7/0338

Abstract: Embodiments of a synchronous data system and method for generating phase-aligned output data are generally described herein. In some embodiments, the synchronous data system includes a plurality of transmitter-receiver (TX-RX) pairs, each associated with a delay-locked loop (DLL) and arranged to generate corresponding output data stream based on a high-speed clock of the associated TX-RX pair. The DLL associated with each TX-RX pair is a phase-shifter DLL that includes an adjustable phase shifter arranged to minimize the phase error between the system clock and the module clock to edge-align the high-speed clocks of each TX-RX pair.

Abstract translation: 本文一般地描述用于产生相位对准的输出数据的同步数据系统和方法的实施例。 在一些实施例中，同步数据系统包括多个发射机 - 接收机（TX-RX）对，每个发射机 - 接收机对（TX-RX）与延迟锁定环路（DLL）相关联，并被安排成基于高速时钟生成相应的输出数据流 关联的TX-RX对。 与每个TX-RX对相关联的DLL是移相器DLL，其包括可调移相器，其被布置为最小化系统时钟和模块时钟之间的相位误差，以使每个TX-RX对的高速时钟对齐 。