A Broadband Transimpedance Amplifier with Optimum Bias Network

被引：0
|
作者：
Gao, Qian [1 ]
Xie, Sheng [1 ]
Mao, Luhong [1 ]
Wu, Sicong [1 ]
机构：
[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin 300072, Peoples R China
来源：
PROCEEDINGS OF THE 2016 6TH INTERNATIONAL CONFERENCE ON MANAGEMENT, EDUCATION, INFORMATION AND CONTROL (MEICI 2016) | 2016年 / 135卷
关键词：
Regulated cascode; Transimpedance amplifier; Matching networks; CMOS; DESIGN;
D O I：
暂无
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
A novel transimpedance amplifier (TIA) based on regulated cascode (RGC) configuration was proposed, in which a bias network was added to ensure the main amplifier and the auxiliary amplifier of RGC operate at optimum condition. To achieve high bandwidth, a T-passive matching network was introduced at the input. Since both amplifiers have optimum gain-bandwidth product (GBW), thus low noise and high bandwidth can be obtained in our design scheme. The proposed TIA was designed based on UMC 0.18 mu m CMOS process, and the simulation results demonstrated that our TIA has a transimpedance gain of 51 dB Omega and a -3 dB bandwidth of 14 GHz with a input capacitance of 0.3 pF. The average equivalent input noise current spectral density is about 13 pAi root Hz within-3 dB bandwidth.
引用
收藏
页码：827 / 831
页数：5
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