CMOS Transimpedance Amplifier for Visible Light Communications

被引:12
|
作者
Chen, Roger Yubtzuan [1 ]
Yang, Zong-Yi [1 ]
机构
[1] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, Doulio 64002, Taiwan
关键词
Optical wireless communications; optical wireless receiver; transimpedance amplifier (TIA); visible light communications (VLCs); OPTICAL RECEIVER;
D O I
10.1109/TVLSI.2014.2365462
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Transimpedance amplifiers (TIAs) play a pivotal role in the optical wireless receiver front end. To exploit its distinctive open-loop characteristics, a feedback transimpedance amplifier comprising a feedforward current amplifier (CA-TIA) is investigated. Attributing to the small input impedance with a high-pass response of its feedforward gain element, the bandwidth of the CA-TIA is less sensitive to the TIA gain. The analysis and implementation of the CA-TIA are experimentally validated.
引用
收藏
页码:2738 / 2742
页数:5
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