Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
US |
2022-01-25 11:25 |
Online |
Online |
Transversal type BAW filter based on c-axis zig-zag polarization inverted ScAlN multilayers Kota Izumi, Takahiko Yanagitani (Waseda Univ.) US2021-59 |
Surface acoustic wave (SAW) transversal type filter is attractive because of their independent control of amplitude and ... [more] |
US2021-59 pp.5-10 |
MW |
2020-12-10 16:00 |
Kanagawa |
(Primary: On-site, Secondary: Online) |
Experimental evaluation of signal-to-quantization noise power ratio of transversal filter with power amplifier for EPWM transmitter Ryuta Sato, Natuki Utigiri, Taishi Sawayama, Yusuke Koike, Yotaro Umeda, Kyoya Takano (TUS) MW2020-77 |
In recent years, envelope pulse width modulation has been devised for transmitters in wireless communications to meet ma... [more] |
MW2020-77 pp.36-41 |
ICD, CPSY, CAS |
2018-12-21 13:30 |
Okinawa |
|
Power-amplifier-inserted Transversal Filter that Recovers Quantization Noise Power by CMOS Rectifier Yuto Tanaka, Yohtaro Umeda, Kyoya Takano (Tokyo University of Science) CAS2018-78 ICD2018-62 CPSY2018-44 |
In this paper, we aim to improve power efficiency by using a CMOS rectifier for power-amplifier-inserted transversal fil... [more] |
CAS2018-78 ICD2018-62 CPSY2018-44 pp.1-5 |
MW, EMCJ, EST, IEE-EMC [detail] |
2017-10-19 09:40 |
Akita |
Yupopo |
Comparison of Power Combining Methods in Power-amplifier-inserted Transversal Filter for EPWM Transmitters Yuto Tanaka, Yohtaro Umeda (TUS), Yusuke Kozawa (Ibaraki Univ.) EMCJ2017-32 MW2017-84 EST2017-47 |
This paper compares power-amplifier-inserted transversal filter (PAITF) with 180º hybrids and T-junctions for envelope p... [more] |
EMCJ2017-32 MW2017-84 EST2017-47 pp.11-15 |
MW, WPT |
2016-04-21 10:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Application of Window Function in Transversal Filter for Suppressing Quantization Noise in Envelope Pulse-Width Modulation Transmitter Takahito Sasaki, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) WPT2016-1 MW2016-1 |
This paper evaluates the improvement in signal to noise power ratio (SNR) in the EPWM transmitter using power-amplifier-... [more] |
WPT2016-1 MW2016-1 pp.1-6 |
MW |
2015-11-19 10:30 |
Okinawa |
Univ. of the Ryukyus |
Frequency Detection Method with Multi-Transversal Filters Kenichi Tajima, Morishige Hieda (Mitsubishi Electric) MW2015-121 |
This paper presents a novel frequency detection method using multi-transversal filters. The three multi-transversal filt... [more] |
MW2015-121 pp.5-9 |
MW |
2015-05-29 16:50 |
Tokyo |
The Univ. of Electro-Commun. |
Design of Microstrip Bandpass Filter with Transmission Zeros Using Half-wavelength Resonator Transversal Array Toshiki Kato, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2015-37 |
We have reported a new design method for multi-mode bandpass filters with transmission zeros (TZs) based on a synthesis ... [more] |
MW2015-37 pp.93-98 |
MW, ICD |
2015-03-05 15:30 |
Fukui |
University of Fukui |
[Special Talk]
A Parameter-Extraction Method for Microwave Transversal Resonator Array Bandpass Filters with Direct Source/Load Coupling Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2014-212 ICD2014-125 |
A new simple and straightforward parameter extraction method for a transversal resonator array bandpass filter is descir... [more] |
MW2014-212 ICD2014-125 pp.55-60 |
RCS, SR, SRW (Joint) |
2015-03-04 15:25 |
Tokyo |
Tokyo Institute of Technology |
Fundamental Study on Structure and Adaptive Control of Time-Frequency 2D AGC Using Analogue Transversal Filter Naotoshi Yamasaki, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) RCS2014-331 |
Software defined radio (SDR) receivers A/D convert the multiple waves in the whole receivable band, and it can select an... [more] |
RCS2014-331 pp.177-182 |
MW, ED |
2015-01-16 15:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
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 |
This paper designs EPWM transmitter using higher-order band-pass characteristics of 4-path power-amplifier-inserted tran... [more] |
ED2014-135 MW2014-199 pp.105-110 |
MW |
2014-12-18 09:25 |
Tokyo |
Aoyama Gakuin Univ. Aoyama Campus |
A study of a diplexer using transversal filters based on microstrip coupled lines Kazuyuki Hayashi, Koji Wada (UEC) MW2014-149 |
In this paper, we first examine the basic characteristics of transversal filters using microstrip coupled lines by elect... [more] |
MW2014-149 pp.7-12 |
RCC, ASN, NS, RCS, SR (Joint) |
2014-08-01 09:50 |
Kyoto |
Kyoto Terrsa |
Adaptive Control Algorithm of Time-Frequency 2D AGC using Analogue Transversal Filter
-- Fundamental Study of Frequency Axis Dynamic Range Compression Control -- Naotoshi Yamasaki, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) SR2014-58 |
Software defined radio (SDR) receivers A/D convert the multiple waves in the whole receivable band, and it can select an... [more] |
SR2014-58 pp.203-207 |
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] |
2014-07-17 10:50 |
Hokkaido |
Muroran Inst. of Tech. |
A Parameter-Extraction Technique for Transversal Resonator Array Bandpass Filters with Symmetric and Asymmetric Structures Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2014-55 OPE2014-24 EST2014-16 MWP2014-13 |
We have already presented a generalized parameter-extraction method for transversal resonator array bandpass filters, wh... [more] |
MW2014-55 OPE2014-24 EST2014-16 MWP2014-13 pp.11-16 |
RCS |
2014-06-17 15:20 |
Okinawa |
Okinawa-ken Seinenkaikan (Naha) |
Proposal of Time-Frequency 2D AGC using Analogue Transversal Filter
-- Fundamental Study on Tap Interval and Total Delay Time of Tapped Delay Line and Receiver Architecture -- Makoto Taromaru, Naotoshi Yamasaki, Mai Ohta (Fukuoka Univ.) RCS2014-51 |
We propose a receiver architecture using the "Two-dimensional AGC," that controls level of the received signals in the s... [more] |
RCS2014-51 pp.109-112 |
MW |
2013-12-19 09:55 |
Saitama |
Saitama Univ. |
Application of Frequency-Dependent Direct Source/Load Coupling to Design of Dual-mode Loop Resonator Filter with Transmission Zeros Hiroyuki Aoyama, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2013-152 |
In microwave filter design, transmission zeros (TZs) generated by cross couplings and/or a direct source/load (S/L) coup... [more] |
MW2013-152 pp.7-12 |
EMCJ, IEE-EMC, MW, EST [detail] |
2013-10-25 11:45 |
Miyagi |
Tohoku Univ. |
An Extraction Method of Equivalent-Circuit Parameters for Transversal Resonator Array Bandpass Filters Considering Loss Effects Masataka Ohira, Zhewang Ma (Saitama Univ.) EMCJ2013-81 MW2013-121 EST2013-73 |
This paper proposes a novel technique for extracting all the equivalent-circuit parameters of a transversal resonator ar... [more] |
EMCJ2013-81 MW2013-121 EST2013-73 pp.125-130 |
EST, MWP, OPE, MW, EMT, IEE-EMT [detail] |
2013-07-19 11:20 |
Hokkaido |
Wakkanai Synthesis Cultural Center |
An Insertion-Loss Formula for Transversal Resonator Array Bandpass Filters and Its Verification of Theory and Application Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2013-85 OPE2013-54 EST2013-49 MWP2013-44 |
In a direct-coupled resonator filter, which is constructed by cascade connection of resonators, the insertion loss at it... [more] |
MW2013-85 OPE2013-54 EST2013-49 MWP2013-44 pp.235-240 |
MW |
2012-12-14 10:00 |
Yamanashi |
Univ. of Yamanashi |
Accurate Design of Bandpass Filters with Transmission Zeros Based on Synthesis Theory of Transversal Array Network Hiroyuki Aoyama, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2012-135 |
In microwave filters, it is well known that using direct source/load (S/L) coupling makes it possible to generate trans... [more] |
MW2012-135 pp.49-54 |
MWP, OPE, MW, EMT, EST, IEE-EMT [detail] |
2012-07-27 09:50 |
Hokkaido |
Hokkaido Univ. |
A Calculation Method of External Q Factor for Multi-Mode Filter Design Based on Synthesis of Transversal Resonator Array Filter Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2012-47 OPE2012-40 EST2012-29 MWP2012-28 |
Based on a synthesis theory of transversal resonator array filter, a bandpass filter having transmission zeros can be ea... [more] |
MW2012-47 OPE2012-40 EST2012-29 MWP2012-28 pp.131-136 |
MW, WPT (Joint) |
2012-05-25 10:55 |
Kyoto |
Kyoto Univ. |
Design of Multi-Mode Bandpass Filter with Multiple Transmission Zeros Using Transversal Array Configuration of Meander Loop Resonators Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2012-16 |
In this paper, we propose a new multi-mode bandpass filter (BPF) configuration, which is a transversal array of two mean... [more] |
MW2012-16 pp.33-38 |