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Paper Abstract and Keywords
Presentation 2015-01-16 15:20
Higher-order Bandpass Characteristics of Four-path Power-amplifier-inserted Transversal Filter in EPWM Transmitter for FPGA Implementation
Kazuaki Watanabe, Shota Fujioka, Takashi Yano, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) ED2014-135 MW2014-199
Abstract (in Japanese) (See Japanese page) 
(in English) This paper designs EPWM transmitter using higher-order band-pass characteristics of 4-path power-amplifier-inserted transversal filter (TF) with Xilinx/System Generator block for FPGA Implementation. In addition, to evaluate difference of a desire wave and undesire wave (D/U ratio) from the power spectral density after 2-path and 4-path TF. Moreover, the EVM is calculated by demodulating the transmitter signal and the number of the pass-band order and the numberof path of the TF. As a result, the D/U ratio of 4-path TF was higher than 2-path TF at wider-frequency-band (Q=5, 2.5). In addition, the EVM is little affected by the BPF inserted after TF when the effective number of path is smaller than 32 and the number of Q of BPF inserted after TF is smaller than 20.
Keyword (in Japanese) (See Japanese page) 
(in English) EPWM / 180-degree hybrid / EVM / transversal filter / Switching-mode Power amplifier / FPGA / System Generator /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 392, MW2014-199, pp. 105-110, Jan. 2015.
Paper # MW2014-199 
Date of Issue 2015-01-08 (ED, MW) 
ISSN Print edition: ISSN 0913-5685    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 ED2014-135 MW2014-199

Conference Information
Committee MW ED  
Conference Date 2015-01-15 - 2015-01-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Compound Semiconductor IC and High-Speed, High-Frequency Devices/Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2015-01-MW-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Higher-order Bandpass Characteristics of Four-path Power-amplifier-inserted Transversal Filter in EPWM Transmitter for FPGA Implementation 
Sub Title (in English)  
Keyword(1) EPWM  
Keyword(2) 180-degree hybrid  
Keyword(3) EVM  
Keyword(4) transversal filter  
Keyword(5) Switching-mode Power amplifier  
Keyword(6) FPGA  
Keyword(7) System Generator  
Keyword(8)  
1st Author's Name Kazuaki Watanabe  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Shota Fujioka  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Takashi Yano  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
4th Author's Name Yohtaro Umeda  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
5th Author's Name Yusuke Kozawa  
5th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2015-01-16 15:20:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # ED2014-135, MW2014-199 
Volume (vol) vol.114 
Number (no) no.391(ED), no.392(MW) 
Page pp.105-110 
#Pages 6 
Date of Issue 2015-01-08 (ED, MW) 

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