公开(公告)号：US6061161A

公开(公告)日：2000-05-09

申请号：US941066

申请日：1997-09-30

Applicant: Chien-Rong Yang ,  Ren-Yuh Liang

Inventor： Chien-Rong Yang ,  Ren-Yuh Liang

IPC: H04B10/2507 ,  H04B10/00

CPC classification number: H04B10/2507

Abstract: A distortion-compensation circuit for use on a wideband optical-fiber communication system is provided. This distortion-compensation circuit can compensate for the CSO/CTB (composite second order and composite third beat) distortions in the transmitted signals that are caused due to the intermodulation of undesired harmonics that are caused by nonlinear devices in the system. The distortion-compensation circuit includes splitting means, such as a directional coupler, for splitting the input signal into a first signal and a second signal. The first signal is directed to a first path, while the second signal is directed to a second path. A featured CSO/CTB generator is coupled on the second path to receive the second signal for selectively generating a compensating CSO/CTB output from the second signal. Further, combining means, such as another directional coupler, is arranged at the end of the first and second paths, for combining the compensating CSO/CTB output of the CSO/CTB generator with the first signal. The compensating CSO/CTB output can be used to offset the CSO/CTB distortions previously or subsequently generated in the optical fiber communication system.

Abstract translation: 提供了一种用于宽带光纤通信系统的失真补偿电路。 该失真补偿电路可以补偿由于系统中由非线性装置引起的不期望的谐波的互调而导致的发射信号中的CSO / CTB（复合二阶和复合第三拍）失真。 失真补偿电路包括诸如定向耦合器的分离装置，用于将输入信号分成第一信号和第二信号。 第一信号被引导到第一路径，而第二信号被引导到第二路径。 特征CSO / CTB发生器耦合在第二路径上以接收第二信号，用于从第二信号选择性地产生补偿CSO / CTB输出。 此外，在第一和第二路径的末端设置诸如另一定向耦合器的组合装置，用于将CSO / CTB发生器的补偿CSO / CTB输出与第一信号组合。 补偿CSO / CTB输出可用于抵消先前或之后在光纤通信系统中产生的CSO / CTB失真。

公开(公告)号：US20110007675A1

公开(公告)日：2011-01-13

申请号：US12696154

申请日：2010-01-29

Applicant: Hsien-Chyi Chiou ,  Shu-Ping Shiu ,  Hong-Kai Hsu ,  Yuan-Hung Chung ,  Wei Wang ,  Ren-Yuh Liang

Inventor： Hsien-Chyi Chiou ,  Shu-Ping Shiu ,  Hong-Kai Hsu ,  Yuan-Hung Chung ,  Wei Wang ,  Ren-Yuh Liang

IPC: H04L5/00 ,  H04B1/38

CPC classification number: H04B1/406 ,  H04B1/44 ,  H04M1/6066 ,  H04M2250/02 ,  H04M2250/06 ,  H04W88/06

Abstract: A system for the coexistence between a plurality of wireless communication modules sharing a single antenna is provided, including an antenna, first and second transceiving paths, and first and second wireless communications modules. The first transceiving path is coupled to the antenna. The second transceiving path is coupled to the first transceiving path. The first wireless communications module is coupled to the first transceiving path and transmits or receives a plurality of first wireless signals. The second wireless communications module is coupled to the second transceiving path and transmits or receives a plurality of second wireless signals, wherein signal strengths of the second wireless signals passing through the second transceiving path are attenuated by a certain level, and the attenuated second wireless signals are added to the first wireless signals when passing through the first transceiving path.

Abstract translation: 提供了共享单个天线的多个无线通信模块之间共存的系统，包括天线，第一和第二收发路径以及第一和第二无线通信模块。 第一收发路径耦合到天线。 第二收发路径耦合到第一收发路径。 第一无线通信模块耦合到第一收发路径并发送或接收多个第一无线信号。 第二无线通信模块耦合到第二收发路径并且发送或接收多个第二无线信号，其中通过第二收发路径的第二无线信号的信号强度被衰减一定水平，而衰减的第二无线信号 在通过第一收发路径时被添加到第一无线信号。

公开(公告)号：US5715531A

公开(公告)日：1998-02-03

申请号：US560901

申请日：1995-11-20

Applicant: Hai-Shen Liu ,  Tzu-Li Lu ,  Ren-Yuh Liang

Inventor： Hai-Shen Liu ,  Tzu-Li Lu ,  Ren-Yuh Liang

IPC: H03H7/01 ,  H04B1/18 ,  H04B1/10

CPC classification number: H03H7/175 ,  H03H7/0115 ,  H03H7/1758 ,  H03H7/1775 ,  H04B1/18

Abstract: A synchronous tracking filter circuit for use in a broadcast satellite tuner that comprises four varactors and a strip-shaped inductor plate or pcb-printed strip line which produces a resonant frequency. The circuit is used in a doubly tuned resonant circuit to incorporate the tracking with the frequency changes of a voltage controlled oscillator (VCO) synchronously. The circuit can also control the image interference. This type of design is applicable in the tuner of an indoor broadcast satellite receiver unit to act as the synchronous tracking filter of input frequencies.

Abstract translation: 一种在广播卫星调谐器中使用的同步跟踪滤波器电路，其包括四个变容二极管和产生谐振频率的带状电感器板或PCB印刷带状线。 该电路用于双调谐谐振电路中，同步地将跟踪与压控振荡器（VCO）的频率变化相结合。 该电路还可以控制图像干扰。 这种类型的设计适用于室内广播卫星接收机单元的调谐器，用作输入频率的同步跟踪滤波器。

公开(公告)号：US09025583B2

公开(公告)日：2015-05-05

申请号：US12696154

申请日：2010-01-29

Applicant: Hsien-Chyi Chiou ,  Shu-Ping Shiu ,  Hong-Kai Hsu ,  Yuan-Hung Chung ,  Wei Wang ,  Ren-Yuh Liang

Inventor： Hsien-Chyi Chiou ,  Shu-Ping Shiu ,  Hong-Kai Hsu ,  Yuan-Hung Chung ,  Wei Wang ,  Ren-Yuh Liang

IPC: H04H20/67 ,  H04B1/44 ,  H04M1/60 ,  H04W88/06

CPC classification number: H04B1/406 ,  H04B1/44 ,  H04M1/6066 ,  H04M2250/02 ,  H04M2250/06 ,  H04W88/06

Abstract: A system for the coexistence between a plurality of wireless communication modules sharing a single antenna is provided, including an antenna, first and second transceiving paths, and first and second wireless communications modules. The first transceiving path is coupled to the antenna. The second transceiving path is coupled to the first transceiving path. The first wireless communications module is coupled to the first transceiving path and transmits or receives a plurality of first wireless signals. The second wireless communications module is coupled to the second transceiving path and transmits or receives a plurality of second wireless signals, wherein signal strengths of the second wireless signals passing through the second transceiving path are attenuated by a certain level, and the attenuated second wireless signals are added to the first wireless signals when passing through the first transceiving path.

Abstract translation: 提供了共享单个天线的多个无线通信模块之间共存的系统，包括天线，第一和第二收发路径以及第一和第二无线通信模块。 第一收发路径耦合到天线。 第二收发路径耦合到第一收发路径。 第一无线通信模块耦合到第一收发路径并发送或接收多个第一无线信号。 第二无线通信模块耦合到第二收发路径并且发送或接收多个第二无线信号，其中通过第二收发路径的第二无线信号的信号强度被衰减一定水平，而衰减的第二无线信号 在通过第一收发路径时被添加到第一无线信号。