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Ippei Noda

Ricoh

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Publication

Featured researches published by Ippei Noda.

ieee international conference on solid state and integrated circuit technology | 2016

Analysis and design of operational amplifier stability based on Routh-Hurwitz method

JianLong Wang; Gopal Adhikari; Haruo Kobayashi; Nobukazu Tsukiji; Vlayu Hirano; Keita Kurihara; Akihito Nagahama; Ippei Noda; Kohji Yoshii

This paper proposes to use Routh-Hurwitz stability criterion for analysis and design of the opamp stability, when its small equivalent circuit is derived; this can lead to explicit stability condition derivation for opamp circuit parameters, and this is very effective especially for multi-stage opamps. The proposed method has been verified by two two-pole amplifiers with theoretical analysis and SPICE simulations, as examples.

Archive | 2007

Charging Circuit For Secondary Battery, Power Supply Switching Method In Charging Circuit For Secondary Battery, And Power Supply Unit

Ippei Noda

Archive | 2005

Method and apparatus for outputting constant voltage

Ippei Noda; Kohzoh Itoh

Archive | 2008

POWER SUPPLY CIRCUIT, CHARGING UNIT HAVING THE POWER SUPPLY CIRCUIT, AND POWER SUPPLY METHOD

Ippei Noda

Archive | 2009

CURRENT MODE CONTROL TYPE SWITCHING REGULATOR

Ippei Noda

Archive | 2008

CONSTANT CURRENT CIRCUIT AND LIGHT EMITTING DIODE DRIVE CIRCUIT

Ippei Noda

Archive | 2008

Constant-current circuit and light-emitting diode drive device therewith

Ippei Noda

Archive | 2009

VARIABLE VOLTAGE DC-DC CONVERTER

Ippei Noda

Archive | 2007

Charging circuit, method of controlling operation of charging circuit, and power supply unit

Ippei Noda

Archive | 2007

Constant-current circuit and system power source using this constant-current circuit

Ippei Noda

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Collaboration

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Gopal Adhikari

Gunma University

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Haruo Kobayashi

Gunma University

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JianLong Wang

Gunma University

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Keita Kurihara

Gunma University

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Akihito Nagahama

Ricoh

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Kohji Yoshii

Ricoh

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Mayu Hirano

Gunma University

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Nobukazu Tsuhiji

Gunma University

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Nobukazu Tsukiji

Gunma University

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Vlayu Hirano

Gunma University

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