Junya KUDOH


1-GHz Input Bandwidth Under-Sampling A/D Converter with Dynamic Current Reduction Comparator for UWB-IR Receiver
Tatsuo NAKAGAWA Tatsuji MATSUURA Eiki IMAIZUMI Junya KUDOH Goichi ONO Masayuki MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/06/01
Vol. E92-C  No. 6  pp. 835-842
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
A/D converterunder samplingS/H circuitcomparatorUWB-IR
 Summary | Full Text:PDF(973.2KB)

A Second-Order Multibit Complex Bandpass ΔΣAD Modulator with I, Q Dynamic Matching and DWA Algorithm
Hao SAN Yoshitaka JINGU Hiroki WADA Hiroyuki HAGIWARA Akira HAYAKAWA Haruo KOBAYASHI Tatsuji MATSUURA Kouichi YAHAGI Junya KUDOH Hideo NAKANE Masao HOTTA Toshiro TSUKADA Koichiro MASHIKO Atsushi WADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1181-1188
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
complex bandpass ΔΣAD modulatorIQ path mismatchesdynamic matchingmiltibitdata-weighted averaging
 Summary | Full Text:PDF(1.1MB)

Complex Bandpass ΔΣAD Modulator Architecture without I, Q-Path Crossing Layout
Hao SAN Akira HAYAKAWA Yoshitaka JINGU Hiroki WADA Hiroyuki HAGIWARA Kazuyuki KOBAYASHI Haruo KOBAYASHI Tatsuji MATSUURA Kouichi YAHAGI Junya KUDOH Hideo NAKANE Masao HOTTA Toshiro TSUKADA Koichiro MASHIKO Atsushi WADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/04/01
Vol. E89-A  No. 4  pp. 908-915
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
complex bandpass ΔΣAD modulatorIQ path mismatchesdynamic matchingmultiplexer
 Summary | Full Text:PDF(820.3KB)

A Small-Chip-Area Transceiver IC for Bluetooth Featuring a Digital Channel-Selection Filter
Masaru KOKUBO Masaaki SHIDA Takashi OSHIMA Yoshiyuki SHIBAHARA Tatsuji MATSUURA Kazuhiko KAWAI Takefumi ENDO Katsumi OSAKI Hiroki SONODA Katsumi YAMAMOTO Masaharu MATSUOKA Takao KOBAYASHI Takaaki HEMMI Junya KUDOH Hirokazu MIYAGAWA Hiroto UTSUNOMIYA Yoshiyuki EZUMI Kunio TAKAYASU Jun SUZUKI Shinya AIZAWA Mikihiko MOTOKI Yoshiyuki ABE Takao KUROSAWA Satoru OOKAWARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 878-887
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
Bluetooth transceiverlow-IFVCOchannel-selection filter
 Summary | Full Text:PDF(1.5MB)

A 3.2-mA 6-Bit Pipelined A/D Coverter for a Bluetooth RF Transceiver
Tatsuji MATSUURA Junya KUDOH Eiki IMAIZUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/08/01
Vol. E85-C  No. 8  pp. 1538-1545
Type of Manuscript:  Special Section PAPER (Special Issue on High-Performance Analog Integrated Circuits)
Category: 
Keyword: 
A/D converterCMOSlow powerpipelineBluetooth
 Summary | Full Text:PDF(1MB)