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Paper Abstract and Keywords
Presentation 2023-07-20 13:00
An Arbitrary Order IMD Suppression Method for Dual-Input Power Amplifiers by Controlling the Phase Differences of Dual-Band Signals
Marie Taguchi, Yuji Komatsuzaki, Kigo Nakatani, Shintaro Shinjo (MELCO) EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the 5G base station covering dual-band modulated signals are being developed. We propose an arbitrary order intermodulation distortion (IMD) suppression method for dual-input power amplifiers (PAs) by controlling the phase differences of dual-band signals. In the proposed method, the phase differences of dual-band signals are controlled so that an arbitrary order IMD can be vectorially cancelled out at the output combiner of the dual-input PA. The orders of IMDs can be selected for the low and high frequency side separately with simple phase control of the dual-band signals. The operating principle of the proposed IMD suppression method is described, and the phase-difference conditions for IMD suppression is derived. The IMD3 of the dual-input PA was improved to -56.7dBc and satisfied the specification of ACPR for 5G/beyond 5G/6G systems by the proposed method as the measurement results.
Keyword (in Japanese) (See Japanese page) 
(in English) Intermodulation distortion (IMD) / wideband power amplifier / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 115, MW2023-46, pp. 106-110, July 2023.
Paper # MW2023-46 
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24

Conference Information
Committee EST MW EMT OPE MWPTHz IEE-EMT  
Conference Date 2023-07-20 - 2023-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Muroran Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To MW 
Conference Code 2023-07-EST-MW-EMT-OPE-MWPTHz-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Arbitrary Order IMD Suppression Method for Dual-Input Power Amplifiers by Controlling the Phase Differences of Dual-Band Signals 
Sub Title (in English)  
Keyword(1) Intermodulation distortion (IMD)  
Keyword(2) wideband power amplifier  
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1st Author's Name Marie Taguchi  
1st Author's Affiliation Mitsubishi Electric Corporation (MELCO)
2nd Author's Name Yuji Komatsuzaki  
2nd Author's Affiliation Mitsubishi Electric Corporation (MELCO)
3rd Author's Name Kigo Nakatani  
3rd Author's Affiliation Mitsubishi Electric Corporation (MELCO)
4th Author's Name Shintaro Shinjo  
4th Author's Affiliation Mitsubishi Electric Corporation (MELCO)
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Speaker Author-1 
Date Time 2023-07-20 13:00:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # EMT2023-28, MW2023-46, OPE2023-28, EST2023-28, MWPTHz2023-24 
Volume (vol) vol.123 
Number (no) no.114(EMT), no.115(MW), no.116(OPE), no.117(EST), no.118(MWPTHz) 
Page pp.106-110 
#Pages 5 
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 

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