A Mirrored Current-conveyor Transimpedance Amplifier in 65-nm CMOS

被引:1
|
作者
Yoon, Daseul [1 ]
Joo, Ji-Eun [1 ,2 ]
Park, Sung Min [1 ,2 ]
机构
[1] Ewha Womans Univ, Dept Elect & Elect Engn, Seoul, South Korea
[2] Ewha Womans Univ, Smart Factory Multidisciplinary Program, Seoul, South Korea
基金
新加坡国家研究基金会;
关键词
CMOS; current-conveyor; feedforward control-voltage generator; mirrored cascode; TIA;
D O I
10.5573/JSTS.2020.20.6.526
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a current-mode transimpedance amplifier (TIA) implemented in a 65nm CMOS technology, in which the mirrored current-conveyor (MCC) input configuration is proposed to lower the input impedance for wide bandwidth, thereby enabling narrow pulse recovery. Also, a feedforward control-voltage generator is suggested to realize automatic gain-control within a single pulse. Post-layout simulations of the proposed MCC-TIA demonstrate the variable transimpedance gain of 58 similar to 77 dB Omega, a wide dynamic-range of 41.9 dB that accommodates the input currents from 18 mu A(pp) to 2.24 mA(pp), the minimum noise current spectral density of 16.8 pA/sqrt(Hz), the power dissipation of 40 mW, and the core area of 1.0 mm(2).
引用
收藏
页码:526 / 532
页数:7
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