![用于基于线性调制的高速光通信的跨阻放大器](/CN/2017/1/166/images/201710833539.jpg)
基本信息:
- 专利标题: 用于基于线性调制的高速光通信的跨阻放大器
- 专利标题(英):Transimpedance amplifier for high-speed optical communications based on linear modulation
- 申请号:CN201710833539.9 申请日:2017-09-15
- 公开(公告)号:CN107835054A 公开(公告)日:2018-03-23
- 发明人: 阿尔贝托·罗德里格·佩雷斯 , 路易斯·罗林德斯·阿尔韦里奇 , 鲁本·佩雷斯·德·阿兰达·阿隆索
- 申请人: 塑料光纤科技发展有限公司
- 申请人地址: 西班牙马德里
- 专利权人: 塑料光纤科技发展有限公司
- 当前专利权人: 塑料光纤科技发展有限公司
- 当前专利权人地址: 西班牙马德里
- 代理机构: 北京德恒律治知识产权代理有限公司
- 代理人: 章社杲; 李伟
- 优先权: 16382431.1 2016.09.15 EP
- 主分类号: H04B10/61
- IPC分类号: H04B10/61 ; H04B10/69 ; H03F3/08
The invention relates to a optical receiver circuit (200) comprising: at least one photo detector (207) configured to convert a received light signal to an input current signal, a transimpedance amplifier circuit (201) with an input to receive the input current signal from the at least one photo detector (207) and being configured to convert the received input current signal to an output voltage signal to generate an output signal of the transimpedance amplifier circuit (201), wherein the transimpedance amplifier circuit comprises a plurality of gain amplifier stages (209, 210, 211), a DC restoration component (205), wherein the DC restoration component (205) is configured to receive the output voltage signal of the transimpedance amplifier circuit (201) for restoring the DC component of the received current signal and configured for outputting a corresponding current signal, and an automatic gain control component (204) configured for controlling via at least one programmable feedbackresistor (226, 227) the equivalent transimpedance of the transimpedance amplifier circuit based on the signal output by the DC restoration component (205) to provide a constant output voltage amplitude for different current ranges of the input current signal.
公开/授权文献:
- CN107835054B 用于基于线性调制的高速光通信的跨阻放大器 公开/授权日:2021-02-09