Keyword : OTA


A Spatial Fading Emulator for Evaluation of MIMO Antennas in a Cluster Environment
Tsutomu SAKATA Atsushi YAMAMOTO Koichi OGAWA Hiroshi IWAI Jun-ichi TAKADA Kei SAKAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10 ; pp. 2127-2135
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
fading emulatorclusterangular power spectrumOTAhandset antennaMIMOchannel capacity
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Fundamental Propagation Characteristics of Stirrer-Less Reverberation Chamber for MIMO-OTA Measurements
Yoshio KARASAWA Ichiro OSHIMA Fatahuddin TAMRIN Yui SAKAMOTO Rizwan ARIF Katsumori SASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10 ; pp. 2083-2092
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
MIMOOTAreverberation chamberradio-absorbing sheetdelay spreadfrequency dependence
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Over-The-Air Measurements of Small Radio Terminals Using Spheroidal Coupler
Tasuku TESHIROGI Takashi KAWAMURA Aya YAMAMOTO Toru SAKUMA Yasuhiko NAGO Shigenori MATTORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6 ; pp. 2043-2050
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
OTATRPTRSspheroidal coupler
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Design of CMOS OTAs for Low-Voltage and Low-Power Application
Hisashi TANAKA Koichi TANNO Hiroki TAMURA Kenji MURAO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11 ; pp. 3385-3388
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
weak inversion regionOTAlow-voltagelow-powerhigh-linearity
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Two-Stage Feedforward Class-AB CMOS OTA for Low-Voltage Filtering Applications
Phanumas KHUMSAT Apisak WORAPISHET 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/12/01
Vol. E90-C  No. 12 ; pp. 2293-2296
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
operational transconductance amplifierOTAactive-RC filtersMOSFET-C filtersfeedforward
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Compact Two-Stage Class-AB CMOS OTA for Low-Voltage Filtering Applications
Phanumas KHUMSAT Apisak WORAPISHET 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2 ; pp. 543-546
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
operational transconductance amplifierOTAactive-RC filtersMOSFET-C filters
 Summary | Full Text:PDF

Combiner-Based MOS OTAs
Koichi TANNO Kenya KONDO Okihiko ISHIZUKA Takako TOYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/06/01
Vol. E88-A  No. 6 ; pp. 1622-1625
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
OTAoperational transconductance amplifiercombinerCMOS analog integrated circuits
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Rail-to-Rail OTA Utilizing Linear V-I Conversion Circuit Whose Input Stage is Composed of Single Channel MOSFETs
Nobukazu TAKAI Keigo KAWAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/04/01
Vol. E88-A  No. 4 ; pp. 832-837
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 17th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
rail-to-railOTAsingle channel MOSFETlinear V-I converter
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A 0.9 V 1.5 mW Continuous-Time ΔΣ Modulator for W-CDMA
Takeshi UENO Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2 ; pp. 461-468
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
continuous-time ΔΣOTAlow-voltageW-CDMA
 Summary | Full Text:PDF

Rail-to-Rail OTA Based on Signal Decomposition
Nobukazu TAKAI Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2 ; pp. 424-430
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
OTArail-to-rail operationsignal decomposition
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Mobility Reduction Cancellation Technique for OTA Using MOSFETs Operated in Triode and Saturation Regions
Hayato FUJII Akira HYOGO Keitaro SEKINE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6 ; pp. 990-995
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
MOSFETOTAmobility reductiontriode regionsaturation region
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A Fully Independently Adjustable, Integrable Simple Current Controlled Oscillator and Derivative PWM Signal Generator
Montree SIRIPRUCHYANUN Paramote WARDKEIN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/12/01
Vol. E86-A  No. 12 ; pp. 3119-3126
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Analog Design
Keyword: 
OTAPWMCCObipolartemperature-insensitive
 Summary | Full Text:PDF

Voltage-Mode Universal Biquadratic Filter Using Two OTAs and Two Capacitors
Jiun-Wei HORNG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2 ; pp. 411-413
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
OTAuniversal biquadratic filtervoltage-mode
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Rail-to-Rail V-I Conversion Using a Pair of Single Channel MOSFETs Operating in Plural Regions
Takahide SATO Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2 ; pp. 327-334
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
rail-to-rail operationV-I converterOTA
 Summary | Full Text:PDF

Extension of Current Conveyor Concept and Its Applications
Takahide SATO Kazuyuki WADA Shigetaka TAKAGI Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2 ; pp. 414-421
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
current conveyorOTANICfilter
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Operational Transconductance Amplifier with Rail-to-Rail Input Stage Using Single Channel Type MOSFETs
Takahide SATO Shigetaka TAKAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2 ; pp. 354-359
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
rail-to-rail operationOTAMOSFEToperation region
 Summary | Full Text:PDF

Novel Gm-C Realizations of nth-Order Filters
Cheng-Chung HSU Wu-Shiung FENG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/01/01
Vol. E84-A  No. 1 ; pp. 339-346
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
Gm-C filtersmultiple loop feedbackactive-RC filterOTA
 Summary | Full Text:PDF

Low Voltage OTA Using Two-MOSFET Subtractors between Rails
Kawori TAKAKUBO Shigetaka TAKAGI Hajime TAKAKUBO Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2 ; pp. 197-203
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
OTAvoltage subtractorlow power supply
 Summary | Full Text:PDF

A Realization of a Low-Voltage Differential-Output OTA Using a Simple CM Amplifier
Fujihiko MATSUMOTO Yasuaki NOGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/02/25
Vol. E81-A  No. 2 ; pp. 261-264
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit Techniques in the Digital-Oriented Era)
Category: 
Keyword: 
low-voltageOTAcommon-mode feedbackcommon-mode gaindifferential-mode gain
 Summary | Full Text:PDF

Design of a Novel Linear 3-Input CMOS OTA and Its Application to Filter Realization
Moonjae JEONG Shigetaka TAKAGI Zdzislaw CZARNUL Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12 ; pp. 2548-2554
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
OTAfilternonlinearity cancellation
 Summary | Full Text:PDF

A Linear CMOS Transconductance Element of an Adaptively Biased Source-Coupled Differential Pair Using a Quadritail Cell
Katsuji KIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/02/25
Vol. E79-A  No. 2 ; pp. 184-189
Type of Manuscript:  Special Section PAPER (Special Section on Analog Technologies in Submicron Era)
Category: 
Keyword: 
adaptive-biasingquadritail cellOTACMOS
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The Super-Multi-Tanh Technique for Bipolar Linear Transconductance Amplifiers
Katsuji KIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/02/25
Vol. E79-A  No. 2 ; pp. 190-198
Type of Manuscript:  Special Section PAPER (Special Section on Analog Technologies in Submicron Era)
Category: 
Keyword: 
the multi-tanh techniquethe emitter area ratio unbalance techniquethe super-multi-tanh techniquelinear transconductance elementOTAbipolar
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A Unified Analysis of Adaptively Biased Emitter- and Source-Coupled Pairs for Linear Bipolar and MOS Transconductance Elements
Katsuji KIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/04/25
Vol. E78-A  No. 4 ; pp. 485-497
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
transistor-size unbalance techniquebias offset techniquemultitail techniquelinear transconductance elementadaptive-biasingOTAbipolarCMOS
 Summary | Full Text:PDF

A Dynamic Bias Current Technique for a Bipolar Exponential–Law Element and a CMOS Square–Law Element Usable with Low Supply Voltage
Katsuji KIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/11/25
Vol. E77-A  No. 11 ; pp. 1922-1928
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1994 IEICE Spring Conference)
Category: 
Keyword: 
exponential–lawsquare–lawbipolarCMOShyperbolic functionOTAsquaring circuit
 Summary | Full Text:PDF

An MOS Operational Transconductance Amplifier and an MOS Four-Quadrant Analog Multiplier Using the Quadritail Cell
Katsuji KIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/12/25
Vol. E75-A  No. 12 ; pp. 1774-1776
Type of Manuscript:  Special Section LETTER (Special Section on the 1992 IEICE Fall Conference)
Category: 
Keyword: 
OTAmultipliertransconductancequadritail cellMOSLSI
 Summary | Full Text:PDF