0.5-V Nano-Power Shadow Sinusoidal Oscillator Using Bulk-Driven Multiple-Input Operational Transconductance Amplifier-Reference-Cited by-同舟云学术

0.5-V Nano-Power Shadow Sinusoidal Oscillator Using Bulk-Driven Multiple-Input Operational Transconductance Amplifier

Published:2023-02-14 Issue:4 Volume:23 Page:2146
ISSN:1424-8220
Container-title:Sensors
language:en
Short-container-title:Sensors

Author:

Khateb Fabian¹²³^ORCID,Kumngern Montree⁴^ORCID,Kulej Tomasz⁵^ORCID,Yavari Mohammad⁶^ORCID

Affiliation:

1. Department of Microelectronics, Brno University of Technology, Technická 10, 601 90 Brno, Czech Republic

2. Faculty of Biomedical Engineering, Czech Technical University in Prague, Nám. Sítná 3105, 166 36 Kladno, Czech Republic

3. Department of Electrical Engineering, Brno University of Defence, Kounicova 65, 662 10 Brno, Czech Republic

4. Department of Telecommunications Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand

5. Department of Electrical Engineering, Czestochowa University of Technology, 42-201 Czestochowa, Poland

6. Integrated Circuits Design Laboratory, Department of Electrical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran P.O. Box 15875-4413, Iran

Abstract

This paper presents a low-frequency shadow sinusoidal oscillator using a bulk-driven multiple-input operational transconductance amplifier (MI-OTA) with extremely low-voltage supply and nano-power consumption. The proposed oscillator is composed using two-input single-output biquad filter and amplifiers. The condition and the frequency of oscillation of the shadow oscillator can be controlled electronically and independently using amplifiers. The circuit is designed in Cadence program using 0.18 µm CMOS technology from TSMC. The voltage supply is 0.5 V and the power consumption of the oscillator is 54 nW. The total harmonic distortion (THD) of the output signals is around 0.3% for 202 Hz. The simulation results are in accordance with theory.

Funder

University of Defence within the Organization Development Project VAROPS

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Biochemistry,Instrumentation,Atomic and Molecular Physics, and Optics,Analytical Chemistry

Link

https://www.mdpi.com/1424-8220/23/4/2146/pdf

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