基于DTMOS的低压OTA设计与分析及其滤波器应用

2021 International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT) Pub Date : 2021-08-27 DOI:10.1109/RTEICT52294.2021.9573559

Madhulika, S. Kumari, Maneesha Gupta

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引用次数: 1

摘要

本文设计了两个基于OTA的低电压、低功耗动态阈值MOSFET (DTMOS)。基于DTMOS的OTA- i采用了两级OTA。它由5个DTMOS晶体管组成，其余为普通晶体管。在基于DTMOS的OTA- ii中，采用了电流镜OTA。它包括6个DTMOS晶体管，其余为标准晶体管。采用DTMOS技术，设计的ota具有很低的功耗。本文的主要目标是使用DTMOS方法创建一个低压，低功耗的OTA，这对模拟信号处理应用非常有用。设计的OTA-I和OTA-II的功耗分别为0.0266nW和0.000123nW。此外，还利用基于DTMOS的OTA-I和OTA-II设计了有源滤波器应用。所设计的ota及其有源滤波器已在0.18µm CMOS技术的帮助下实现。所提出的ota在±0.2V电源电压下工作。

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Design and Analysis of DTMOS based Low Voltage OTA and its Filter Application

In this paper, two low-voltage, low-power dynamic threshold MOSFET (DTMOS) based OTA is designed. Two-stage OTA has been used in DTMOS based OTA-I. It comprises 5 DTMOS transistors, and the remaining are usual transistors. In DTMOS based OTA-II, current mirror OTA has been used. It comprises 6 DTMOS transistors and the remaining are standard transistors. By using DTMOS technique, the power dissipation of designed OTAs is very low. The paper's main goal is to use the DTMOS approach to create a low-voltage, low-power OTA which is useful for analog signal processing application. The power dissipation of designed OTA-I and OTA-II are 0.0266nW and 0.000123nW respectively. Also, an active filter application has been designed with the help of DTMOS based OTA-I and OTA-II. The designed OTAs and their active filter have been implemented with the help of 0.18µm CMOS technology. The proposed OTAs operate at ±0.2V supply voltage.

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来源期刊

2021 International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT)

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