低压低功率AB类OTA的实现及其在双二次滤波器中的应用

Q3 Engineering

International Journal of Electronics Letters Pub Date : 2022-04-14 DOI:10.1080/21681724.2022.2065535

Karima Garradhi, N. Hassen

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引用次数: 2

摘要

本文介绍了一种新型的高性能AB类运算跨导放大电路。基于翻转电压跟随器技术，该OTA具有41.33 dB的高直流增益，单位增益频率为14 MHz，动态范围宽，100 kHz时总谐波失真为−42.61 dB，芯片面积仅为28.64 x 20.61µm2。在此基础上，实现了由3个多输出ota和2个电容组成的单输入多输出(SIMO)跨导纳滤波器。所提出的滤波器可以在不改变电路拓扑的情况下实现所有标准滤波器功能。所提出的OTA和双二次滤波器的布局后仿真结果已在TS18SL 0.18µm技术的Cadence Virtuoso中实现。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Realisation of low voltage low power class AB OTA and its application in biquadratic filter

ABSTRACT In this paper, a new high-performance Class AB operational transconductance amplifier circuit is introduced. Based on flipped voltage follower technique, the proposed OTA showed a high DC gain of 41.33 dB with a unity gain frequency at 14 MHz, a wide dynamic range, a total harmonic distortion of −42.61 dB at 100 kHz and occupies only 28.64 x 20.61 µm2 chip area. Thereafter, a new single-input-multi-output (SIMO) transadmittance mode filter possessed by three multi-output OTAs and two capacitors is realised. The proposed filter can be achieved by all the standard filter functions without changing the circuit topology. The post-layout simulation results of the proposed OTA and biquadratic filter have been implemented with Cadence Virtuoso in TS18SL 0.18 µm technology Tower Jazz.

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来源期刊

International Journal of Electronics Letters Engineering-Electrical and Electronic Engineering

CiteScore

1.80

自引率

0.00%

发文量

期刊介绍： International Journal of Electronics Letters (IJEL) is a world-leading journal dedicated to the rapid dissemination of new concepts and developments across the broad and interdisciplinary field of electronics. The Journal welcomes submissions on all topics in electronics, with specific emphasis on the following areas: • power electronics • embedded systems • semiconductor devices • analogue circuits • digital electronics • microwave and millimetre-wave techniques • wireless and optical communications • sensors • instrumentation • medical electronics Papers should focus on technical applications and developing research at the cutting edge of the discipline. Proposals for special issues are encouraged, and should be discussed with the Editor-in-Chief.