发明授权
US07945172B2 Dispersion compensation circuitry and system for analog video transmission with direct modulated laser
有权
用于具有直接调制激光器的模拟视频传输的色散补偿电路和系统
- 专利标题： Dispersion compensation circuitry and system for analog video transmission with direct modulated laser
- 专利标题（中）： 用于具有直接调制激光器的模拟视频传输的色散补偿电路和系统
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申请号： US12124044申请日： 2008-05-20
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公开(公告)号： US07945172B2公开(公告)日： 2011-05-17
- 发明人: Wei Huang , Thomas C. Lam , Li-Ping Chen
- 申请人： Wei Huang , Thomas C. Lam , Li-Ping Chen
- 申请人地址： US CA San Jose
- 专利权人： Harmonic, Inc.
- 当前专利权人： Harmonic, Inc.
- 当前专利权人地址： US CA San Jose
- 代理机构： Haynes Beffel & Wolfeld, LLP
- 代理商 Warren S. Wolfeld
- 主分类号： H04B10/00
- IPC分类号： H04B10/00
摘要：
An improved precompensation circuit includes a greatly improved differentiator in the dispersion precompensation path, a preprocessor in the dispersion precompensation path for reducing f2−f1 type Composite Second Order (CSO) distortion, and a broadband phase shifter for compensating undesired vector interaction between the laser predistortion and dispersion compensation.
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