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Paper Abstract and Keywords
Presentation 2019-03-09 14:35
Analysis of Non-linearity on Heterojunction Bipolar Transistor Power Amplifiers for Mobile Phone
Satoshi Tanaka (Murata) CAS2018-154 CS2018-122
Abstract (in Japanese) (See Japanese page) 
(in English) In 5G (5th Generation) mobile phone, maximum modulation bandwidth is enlarged from100 to 400 MHz. In addition, complicated systems such as DC (Dual Connectivity) and MIMO (Multiple-Input and Multiple-Output) will be applied. With this wide bandwidth and complicated parallel operating systems, the ET (Envelope Tracking) systems and the DPD (Digital Pre-Distortion) systems may not be always the optimum solutions. The PA (Power Amplifier) for a 5G mobile phone should achieve good linearity with standalone operation. In this paper, AM (Amplitude Modulation)-AM/PM (Phase Modulation) characteristics of a single-stage PA of HBT (Heterojunction Bipolar Transistor) is analyzed.
Keyword (in Japanese) (See Japanese page) 
(in English) Mobile phone / Power amplifier / Heterojunction bipolar transistor / Non-linear / LTE / 5G / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 488, CAS2018-154, pp. 87-92, March 2019.
Paper # CAS2018-154 
Date of Issue 2019-03-01 (CAS, CS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 CAS2018-154 CS2018-122

Conference Information
Committee CAS CS  
Conference Date 2019-03-08 - 2019-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Shonan Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network processor, Signal processing and circuits for communications, Wireless LAN / PAN, etc. 
Paper Information
Registration To CAS 
Conference Code 2019-03-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of Non-linearity on Heterojunction Bipolar Transistor Power Amplifiers for Mobile Phone 
Sub Title (in English)  
Keyword(1) Mobile phone  
Keyword(2) Power amplifier  
Keyword(3) Heterojunction bipolar transistor  
Keyword(4) Non-linear  
Keyword(5) LTE  
Keyword(6) 5G  
1st Author's Name Satoshi Tanaka  
1st Author's Affiliation Murata Manufacturing Co., Ltd. (Murata)
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Date Time 2019-03-09 14:35:00 
Presentation Time 25 
Registration for CAS 
Paper # IEICE-CAS2018-154,IEICE-CS2018-122 
Volume (vol) IEICE-118 
Number (no) no.488(CAS), no.489(CS) 
Page pp.87-92 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2019-03-01,IEICE-CS-2019-03-01 

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