%0 Journal Article
%T A 0. 2μm GaAs PHEMT Distributed Amplifier for 40Gb/s Optical Receiver<br>用于40Gb/s光接收机的0.2μm GaAs PHEMT分布放大器
%A Zheng Yuan
%A Chen Tangsheng
%A Qian Feng
%A Li Fuxiao
%A Shao Kai
%A <br>郑远
%A 陈堂胜
%A 钱峰
%A 李拂晓
%A 邵凯
%J 半导体学报
%D 2005
%I 
%X 利用0.2μm GaAs PHEMT工艺实现了40Gb/s光接收机中的前置放大器. 该放大器采用有源偏置的七级分布放大器结构，3dB带宽超过40GHz，输入输出反射损耗小于-10dB，跨阻增益为45.6dBΩ，最小等效输入噪声电流密度为22pA／Hz，功耗为300mW，可有效地应用于40Gb/s光接收机中.
%K distributed amplifier
%K preamplifier
%K transimpedance gain
%K noise current<br>分布放大器
%K 前置放大器
%K 跨阻增益
%K 噪声电流
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=703600A502586E4F&yid=2DD7160C83D0ACED&vid=96C778EE049EE47D&iid=F3090AE9B60B7ED1&sid=1833A6AA51F779C1&eid=3EBE383EEA0A6494&journal_id=1674-4926&journal_name=半导体学报&referenced_num=0&reference_num=6