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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CS, CAS | 2020-02-28 13:15 |
Kumamoto | A Study on Circuit Element Value Mismatches and Occupied Area of Poly-phase Circuits Takafumi Yamaji (Sojo Univ.), Akio Shimizu (NIT, Ariake College)  CAS2019-120 CS2019-120 |
An effect of the circuit element value error to modulated signal error in polyphase circuits is described. The sensitivi... [more] | CAS2019-120 CS2019-120 pp.131-136 |
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| CS, CAS | 2018-03-13 13:40 |
Fukuoka | Nishijin Plaza, Kyushu University | A proposal of an analog poly-phase integrator with a complex coefficient Takafumi Yamaji (Sojo Univ.), Akio Shimizu (NIT Ariake College) CAS2017-154 CS2017-108 |
A design method for a poly-phase filter is described. Poly-phase circuits are required for analog signal processing afte... [more] | CAS2017-154 CS2017-108 pp.119-122 |
| CAS, SIP, MSS, VLD, SIS [detail] | 2014-07-10 15:40 |
Hokkaido | Hokkaido University | [Panel Discussion]
Management of Technical Committees for Promoting Innovation Kunihiko Hiraishi (JAIST), Takafumi Yamaji (Toshiba), Shigetoshi Nakatake (Univ. of Kitakyushu), Yoshinobu Kajikawa (Kansai Univ.), Satoshi Yamane (Kanazawa Univ.) CAS2014-32 VLD2014-41 SIP2014-53 MSS2014-32 SIS2014-32 |
The four technical committees of System and Signal Processing Subsociety have been holding joint workshop since 2010. We... [more] | CAS2014-32 VLD2014-41 SIP2014-53 MSS2014-32 SIS2014-32 p.169 |
| NLP, CAS | 2012-09-20 15:55 |
Kochi | Eikokuji Campus, University of Kochi | [Invited Talk]
All-Digital Background Calibration for Time-Interleaved ADC Using Pseudo Aliasing Signal Junya Matsuno, Takafumi Yamaji, Masanori Furuta, Tetsuro Itakura (Toshiba) CAS2012-37 NLP2012-63 |
A new adaptive background calibration for gain mismatches and sample-time mismatches in a Time-Interleaved Analog-to-Dig... [more] | CAS2012-37 NLP2012-63 pp.41-44 |
| CAS | 2012-01-20 10:25 |
Fukuoka | Kyushu Univ. | [Invited Talk]
Balanced Three-Phase Analog Signal Processing and Circuits for Radio Communication Takafumi Yamaji (Toshiba) CAS2011-103 |
Radio communication systems often use two analog signals as real and imaginary parts of a complex number, and the two si... [more] | CAS2011-103 pp.99-102 |
| CAS | 2011-01-25 16:30 |
Kumamoto | Kumamoto University | Noise analysis of harmonic rejection downconverters Takafumi Yamaji, Junya Matsuno, Tetsuro Itakura (Toshiba) CAS2010-93 |
Switching downconverters are sensitive to the harmonic signals that are undesired at multiple frequencies of the LO freq... [more] | CAS2010-93 pp.51-54 |
| CAS, NLP | 2007-10-18 15:10 |
Tokyo | Musashi Institute of Technology | Genaration of Symmetric Three-Phase Signal by Means of RC Polyphase Filter and Interpolator Hiroshi Tanimoto, Koichi Kuwahara (Kitami Inst. of Tech.), Takafumi Yamaji (Toshiba Corp.) CAS2007-48 NLP2007-76 |
A differential to symmetrical three-phase signal converter circuit based on a n RC polyphase filter and a resistive inte... [more] | CAS2007-48 NLP2007-76 pp.79-86 |
| CAS | 2007-01-29 13:50 |
Ehime | Ehime Univ. | Noise analyses of single to poly-phase conversion with a frequency converter Takafumi Yamaji, Tetsuro Itakura (Toshbia), Hiroshi Tanimoto (Kitami Institute of Technology) |
[more] | CAS2006-64 pp.13-18 |
| ICD, ITE-CE | 2006-12-14 10:15 |
Hiroshima | Low-Power A/D Converters for Wireless Applications Tomohiko Ito, Takeshi Ueno, Daisuke Kurose, Takafumi Yamaji, Tetsuro Itakura (Toshiba) |
[more] | ICD2006-146 pp.19-24 |
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| NLP, CAS | 2006-10-05 11:15 |
Osaka | A study on a 3-phase analog-to-digital converter Takafumi Yamaji, Takeshi Ueno, Tetsuro Itakura (Toshiba) |
[more] | CAS2006-39 NLP2006-62 pp.29-33 |
|
| RCS, AP, WBS, SR, MW, MoNA (Joint) |
2006-03-03 14:40 |
Kanagawa | YRP | A Study on Clock Signal Generator for Software Defined Radio Akihide Sai, Takafumi Yamaji, Tetsuro Itakura (Toshiba) |
[more] | SR2005-72 pp.41-45 |
| ICD | 2005-12-16 13:25 |
Kochi | 200 MSPS Low-Power A-to-D and D-to-A Converters for Next Generation Mobile Communication System Daisuke Kurose, Takafumi Yamaji, Takeshi Ueno, Tomohiko Ito, Tetsuro Itakura, Akihide Sai (Toshiba Corp.) |
For the next generation mobile communication system, high-speed and low power analog-to-digital converters (ADCs) and di... [more] | ICD2005-200 pp.49-54 |
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| SR | 2005-11-25 09:15 |
Okinawa | Okinawa Wemen's Center | 200 MSPS Low-Power A-to-D and D-to-A Converters for Next Generation Mobile Communication System Takafumi Yamaji, Daisuke Kurose, Takeshi Ueno, Tomohiko Ito, Tetsuro Itakura, Akihide Sai (Toshiba) |
For the next generation mobile communication system, high-speed and low power analog-to-digital converters (ADCs) and di... [more] | SR2005-53 pp.43-48 |
| SR | 2005-07-28 - 2005-07-29 |
Kanagawa | Yokosuka Research Park | A low-power analog-to-digital converter for the next generation mobile communication system Takafumi Yamaji, Tomohiko Ito, Daisuke Kurose, Takeshi Ueno, Tetsuro Itakura (Toshiba) |
For the next generation mobile communication system, the estimated requirements for analog-to-digital converters (ADCs) ... [more] | SR2005-41 pp.137-141 |
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