Tunable Matching Networks Based on Phase-Switched Impedance Modulation1

The ability to provide accurate, rapid, and dynamically controlled impedance matching offers significant advantages to a wide range of present and emerging radio-frequency (RF) power applications. This article develops a new type of tunable matching network (TMN) that enables a combination of much f...

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Main Authors: Jurkov, Alexander S., Radomski, Aaron, Perreault, David J.
Other Authors: Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Format: Article
Language:English
Published: Institute of Electrical and Electronics Engineers (IEEE) 2021
Online Access:https://hdl.handle.net/1721.1/129801
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author Jurkov, Alexander S.
Radomski, Aaron
Perreault, David J.
author2 Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
author_facet Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Jurkov, Alexander S.
Radomski, Aaron
Perreault, David J.
author_sort Jurkov, Alexander S.
collection MIT
description The ability to provide accurate, rapid, and dynamically controlled impedance matching offers significant advantages to a wide range of present and emerging radio-frequency (RF) power applications. This article develops a new type of tunable matching network (TMN) that enables a combination of much faster and more accurate impedance matching than is available with conventional techniques and is suitable for use at high power levels. This implementation is based on a narrow-band technique, termed here phase-switched impedance modulation (PSIM), which entails the switching of passive elements at the RF operating frequency, effectively modulating their impedances. The proposed approach provides absorption of device parasitics and zero-voltage switching (ZVS) of the active devices, and we introduce control techniques that enable ZVS operation to be maintained across operating conditions. A prototype PSIM-based TMN is developed that provides a 50-Ω match over a load impedance range suitable for inductively coupled plasma processes. The prototype TMN operates at frequencies centered around 13.56 MHz at input RF power levels of up to 200 W.
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spelling mit-1721.1/1298012022-09-30T17:56:59Z Tunable Matching Networks Based on Phase-Switched Impedance Modulation1 Jurkov, Alexander S. Radomski, Aaron Perreault, David J. Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science The ability to provide accurate, rapid, and dynamically controlled impedance matching offers significant advantages to a wide range of present and emerging radio-frequency (RF) power applications. This article develops a new type of tunable matching network (TMN) that enables a combination of much faster and more accurate impedance matching than is available with conventional techniques and is suitable for use at high power levels. This implementation is based on a narrow-band technique, termed here phase-switched impedance modulation (PSIM), which entails the switching of passive elements at the RF operating frequency, effectively modulating their impedances. The proposed approach provides absorption of device parasitics and zero-voltage switching (ZVS) of the active devices, and we introduce control techniques that enable ZVS operation to be maintained across operating conditions. A prototype PSIM-based TMN is developed that provides a 50-Ω match over a load impedance range suitable for inductively coupled plasma processes. The prototype TMN operates at frequencies centered around 13.56 MHz at input RF power levels of up to 200 W. 2021-02-17T21:48:38Z 2021-02-17T21:48:38Z 2020-10 2020-03 2021-02-16T14:17:18Z Article http://purl.org/eprint/type/JournalArticle 0885-8993 1941-0107 https://hdl.handle.net/1721.1/129801 Jurkov, Alexander S. et al. "Tunable Matching Networks Based on Phase-Switched Impedance Modulation1." IEEE Transactions on Power Electronics 35, 10 (October 2020): 10150 - 10167 © 2020 IEEE en http://dx.doi.org/10.1109/tpel.2020.2980214 IEEE Transactions on Power Electronics Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Institute of Electrical and Electronics Engineers (IEEE) Prof. Perreault via Phoebe Ayers
spellingShingle Jurkov, Alexander S.
Radomski, Aaron
Perreault, David J.
Tunable Matching Networks Based on Phase-Switched Impedance Modulation1
title Tunable Matching Networks Based on Phase-Switched Impedance Modulation1
title_full Tunable Matching Networks Based on Phase-Switched Impedance Modulation1
title_fullStr Tunable Matching Networks Based on Phase-Switched Impedance Modulation1
title_full_unstemmed Tunable Matching Networks Based on Phase-Switched Impedance Modulation1
title_short Tunable Matching Networks Based on Phase-Switched Impedance Modulation1
title_sort tunable matching networks based on phase switched impedance modulation1
url https://hdl.handle.net/1721.1/129801
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