NDLI: High-power and high-efficiency complementary metal–oxide–semiconductor voltage-controlled oscillator for automatic dependent surveillance-broadcast system

Content Provider	IET Digital Library
Author	Roy, Palash Dawn, Debasis
Abstract	Automatic dependent surveillance-broadcast (ADS-B) system requires higher performance, highly reliable, and smaller size, lighter weight and lower cost transceiver. To reduce the size and cost and to increase the manufacturability it is desirable to integrate the whole ADS-B system into a single-chip complementary metal–oxide–semiconductor (CMOS) technology platform. Watt level power is required from the ADS-B transmitter for transmitting the information about aircraft's precise location at larger distances. This study presents CMOS voltage-controlled oscillator (VCO) circuit, as a part of ADS-B transmitter, operating at the centre frequency of 978 MHz, delivers the highest output power with the highest efficiency ever reported to the best of authors’ knowledge. The 0.738 mm × 0.606 mm VCO chip fabricated using 0.18 μm CMOS technology, exhibits the single-ended peak output power of −0.46 dBm and the differential peak output power of 2.54 dBm at the frequency of 1 GHz, with the frequency tuning range from 954.3 to 1009.4 MHz and phase noise of −109 dBc/Hz at 1 MHz offset centred at the frequency of 978 MHz, consuming 19 mW power from 1.8 V supply, thus, showing state-of-the-art-performances. This promising result shows a path towards realising high-power single-chip CMOS ADS-B transmitter.
Starting Page	1632
Ending Page	1637
Page Count	6
ISSN	17518725
Volume Number	9
e-ISSN	17518733
Issue Number	Issue 14, Nov (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/9/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2014.0803
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2015-11-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Automatic Dependent Surveillance Broadcast System Avionics CMOS Integrated Circuit Frequency 1 GHz Frequency 1 MHz Frequency 954.3 MHz to 1009.4 MHz High-efficiency CMOS Voltage-controlled Oscillator High-power Complementary Metal Oxide Semiconductor VCO Circuit High-power Single-chip CMOS ADS-B Transmitter Reliability Integrated Circuit Reliability Lighter Weight Transceiver Lower Cost Transceiver Microwave Circuit And Device Power 19 MW Radio Transceivers Reliability Size 0.18 Mum Submillimetre Wave Oscillator UHF Oscillator VCO Chip Fabrication Voltage 1.8 V Voltage-controlled Oscillator
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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