Masao HOTTA


A 12-bit 1.25MS/s Area-Efficient Radix-Value Self-Estimated Non-Binary Cyclic ADC with Relaxed Requirements on Analog Components
Hao SAN Rompei SUGAWARA Masao HOTTA Tatsuji MATSUURA Kazuyuki AIHARA 
Publication:   
Publication Date: 2017/02/01
Vol. E100-A  No. 2  pp. 534-540
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
cyclic ADCnon-binary ADCradix-value estimation algorithmβ-expansionmultiply-by-β MDAC.
 Summary | Full Text:PDF(3.7MB)

Experimental Implementation of Non-binary Cyclic ADCs with Radix Value Estimation Algorithm
Rompei SUGAWARA Hao SAN Kazuyuki AIHARA Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/04/01
Vol. E97-C  No. 4  pp. 308-315
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design,---,Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
Non-binary ADCCyclic ADCRadix value estimation algorithmβ expansionMultiply-by-β MDAC
 Summary | Full Text:PDF(2.6MB)

Robust Cyclic ADC Architecture Based on β-Expansion
Rie SUZUKI Tsubasa MARUYAMA Hao SAN Kazuyuki AIHARA Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/04/01
Vol. E96-C  No. 4  pp. 553-559
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design—Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
robust ADCβ-expansionredundancycyclic ADCradix-value estimation algorithm
 Summary | Full Text:PDF(1.8MB)

Non-binary Pipeline Analog-to-Digital Converter Based on β-Expansion
Hao SAN Tomonari KATO Tsubasa MARUYAMA Kazuyuki AIHARA Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/02/01
Vol. E96-A  No. 2  pp. 415-421
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
non-binary AD conversionβ-expansionpipeline ADCswitched-capacitor circuitsmultiply-by-β MDAC
 Summary | Full Text:PDF(1.4MB)

A Cascaded Folding ADC Based on Fast-Settling 3-Degree Folders with Enhanced Reset Technique
Koichi ONO Takeshi OHKAWA Masahiro SEGAMI Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/03/01
Vol. E93-C  No. 3  pp. 288-294
Type of Manuscript:  Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration)
Category: 
Keyword: 
ADCfoldinginterpolationresetaveragingerror correction
 Summary | Full Text:PDF(773KB)

SAR ADC Algorithm with Redundancy and Digital Error Correction
Tomohiko OGAWA Haruo KOBAYASHI Yosuke TAKAHASHI Nobukazu TAKAI Masao HOTTA Hao SAN Tatsuji MATSUURA Akira ABE Katsuyoshi YAGI Toshihiko MORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 415-423
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
SAR ADCdigital error correctionnon-binaryredundancy
 Summary | Full Text:PDF(632.9KB)

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)

Key Technologies for Miniaturization and Power Reduction of Analog-to-Digital Converters for Video Use
Masao HOTTA Tatsuji MATSUURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 664-672
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
analog-to-digital converterADCpipelinetime-interleavingself-calibration and look-ahead pipeline
 Summary | Full Text:PDF(1.5MB)

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)

High-Speed Continuous-Time Subsampling Bandpass ΔΣ AD Modulator Architecture Employing Radio Frequency DAC
Masafumi UEMORI Haruo KOBAYASHI Tomonari ICHIKAWA Atsushi WADA Koichiro MASHIKO Toshiro TSUKADA Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/04/01
Vol. E89-A  No. 4  pp. 916-923
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
continuous-timesubsamplingbandpassΔΣ modulatorRF DACjitter
 Summary | Full Text:PDF(1.6MB)

FOREWORD
Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/06/01
Vol. E84-A  No. 6  pp. 1361-1361
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(25.2KB)

FOREWORD
Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 485-485
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(81.1KB)

Design of Low-Distortion MOS OTA Based on Cross-Coupled Differential Amplifier and Its Application for Active Filters
Koichi ONO Nobuo FUJII Shigetaka TAKAGI Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/02/25
Vol. E77-A  No. 2  pp. 363-370
Type of Manuscript:  Special Section PAPER (Special Section on High-Performance MOS Analog Circuits)
Category: 
Keyword: 
low-distortion circuitMOS OTAactive filters
 Summary | Full Text:PDF(625.4KB)