A Ring Amplifier Architecture for Continuous-Time Applications

被引：2

作者：

Ahmed, Amr S. ^{[1
]}

Aboudina, Mohamed M. ^{[1
]}

Hussien, Faisal A. ^{[1
]}

Mohieldin, Ahmed N. ^{[1
]}

机构：

[1] Cairo Univ, Elect & Elect Commun Engn, Cairo, Egypt

来源：

2018 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2018年

关键词：

Continuous Time; Ring Amplifier; Sigma Delta; ADC;

D O I：

10.1109/ISCAS.2018.8351125

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 novel ring amplifier for continuous-time (CT) circuits. The proposed amplifier enables the usage of ring amplifier in continuous-time applications. The design parameters of the proposed architecture are discussed and analyzed. A CT second order Sigma-Delta (Sigma Delta) modulator is designed using the proposed architecture achieving SNDR of 61.7 dB at signal BW of 1 MHz and sampling frequency of 104 MHz. The modulator is implemented in a 65 nm CMOS process and consumes 490 mu W from a single 0.9 V power supply.

引用

页数：5

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