Search Results:　 1-20 of 952

  • 1

    Average Current Mode Digital Control DC-DC Converter  [in Japanese]

    KAJIWARA , KUROKAWA Fujio

    電気学会研究会資料. SPC, 半導体電力変換研究会 2011(121), 67-71, 2011-07-28

    References (10)

  • 2

    A Simulation of Bandpass LC Filter  [in Japanese]

    YOKOYAMA Nobuhiro , OKINE Mitsuo

    電気学会研究会資料. ECT, 電子回路研究会 2011(47), 19-24, 2011-06-30

    References (7)

  • 3

    Characteristics of cold storage and persistent current mode in mobile HTS magnet(<Special Issue>19th MAGDA Conference)  [in Japanese]

    MIZUNO Katsutoshi , OGATA Masafumi , ARAI Yuuki , HASEGAWA Hitoshi , SASAKAWA Takashi , NAGASHIMA Ken

    Journal of the Japan Society of Applied Electromagnetics 19(2), 249-254, 2011-06-10

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  • 4

    Fabrication of 1GS/s Current Mode Pipeline ADC in 90nm CMOS  [in Japanese]

    ANDO Kei , NOZAWA Takashi , TA Tuan Thanh , TANIFUJI Shoichi , KAMEDA Suguru , SUEMATSU Noriharu , TAKAGI Tadashi , TSUBOUCHI Kazuo

    経てロジニアスワイヤレスネットワークの実現には,様々な無線通信システム規格に対応可能なマルチモード送受信機が必要となる.その中でも受信系のアナログ・ディジタル変換器(ADC)は最も重要なコンポーネントの一つである.本報告では高速動作が求められる近距離通信WPAN (wireless personal area network)に焦点を当て,消費電力45mWの5ビット1GS/s電流モードパイプライン …

    IEICE technical report. Microwaves 111(3), 1-6, 2011-04-08

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  • 5

    Improvement of Sensitivity near Atmospheric Pressure in a Pirani Gauge in Constant Current Mode  [in Japanese]

    OGIWARA Norio , HIKICHI Yusuke , UNO Kenji

    …   Rather large errors occur when measuring pressures of around 5×103-104 Pa with a Pirani vacuum gauge in constant current mode, as the change in output voltage is very small. …

    Journal of the Vacuum Society of Japan 54(3), 162-165, 2011-03-20

    J-STAGE CrossRef References (4)

  • 6

    Nonlinear Dynamics of Paralleled Boost Converters  [in Japanese]

    MATSUMOTO Takaaki , SAITO Toshimichi

    本論文は並列化DC/DCブーストコンバータの非線形動作のシミュレーションを行った。このとき、リアクタンスの抵抗を考慮し、区分定数近似を用いないモデルを使用した。回路実装を行い現象を確認した。また、所望の動作の安定化をおこなった。しきい値制御を時間制御に変更して、安定化をおこなった。

    IEICE technical report. Nonlinear problems 110(465), 139-142, 2011-03-03

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  • 7

    An 11.2-mW 5-GHz CMOS Frequency Synthesizer with Low Power Prescaler for Zigbee Application

    JI Xincun , HUANG Fuqing , WU Jianhui , SHI Longxing

    … A low power phase-switching prescaler is designed, and the current mode phase rotator is merged into the first divide-by-2 circuit of the prescaler to reduce power and propagation delay. …

    IEICE Transactions on Electronics 94(3), 375-378, 2011-03-01

    J-STAGE CrossRef References (6)

  • 8

    C-12-46 1GS/s Current Mode Pipeline ADC in 90nm CMOS  [in Japanese]

    Ando K. , Nozawa T. , Ta T.T. , Tanifuji S. , Kameda S. , Suematsu N. , Takagi T. , Tsubouchi K.

    Proceedings of the IEICE General Conference 2011年_エレクトロニクス(2), 118, 2011-02-28

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  • 9

    A High Performance CMOS Current Mirror Circuit with Neuron MOSFETs and a Transimpedance Amplifier  [in Japanese]

    SHIMIZU Akio , ISHIKAWA Yohei , FUKAI Sumio , AIKAWA Masayoshi

    … In this paper, we propose a high accuracy current mirror circuit suitable for a low-voltage operation. … As a result, the proposed circuit achieves a high accuracy current mirror circuit. … At the same time, the proposed circuit monitors an error current by a low voltage because the negative feedback operates in a current-mode. …

    IEEJ Transactions on Electronics, Information and Systems 131(2), 296-302, 2011-02-01

    J-STAGE CrossRef References (21)

  • 10

    CONTROL OF SURGE VOLTAGE FOR CURRENT MODE DC/DC CONVERTER  [in Japanese]

    YOSHITOMI Daisuke , HIRACHI Katsuya , FUJISAWA Kazuya

    電気学会研究会資料. SPC, 半導体電力変換研究会 2011(25), 89-44, 2011-01-21

    References (8)

  • 11

    1GS/s Current Mode Pipeline ADC in 90nm CMOS  [in Japanese]

    ANDO Kei , NOZAWA Takashi , TA Tuan Thanh , TANIFUJI Shoichi , KAMEDA Suguru , SUEMATSU Noriharu , TAKAGI Tadashi , TSUBOUCHI Kazuo

    ヘテロジニアスワイヤレスネットワークの実現には,様々な無線通信システム規格に対応可能なマルチモード送受信機が必要となる.我々は種々の無線規格に対応して,サンプリング速度と分解能を切り替えることが可能なスケーラブルアナログ・ディジタル変換器(ADC)を提案する.本スケーラブルADCは,タイムインターリーブ(TI)技術を用いてサブADCの並列数を切り替えることでサンプリング速度を可変できる.またパイプ …

    IEICE technical report 110(398), 89-94, 2011-01-20

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  • 12

    Average current mode digital control DC-DC converter  [in Japanese]

    梶原 一宏 , 黒川 不二雄

    IEICE technical report 111(161), 61-65, 2011-07-28

  • 13

    The Design of a K-Band 0.8-V 9.2-mW Phase-Locked Loop

    HUANG Zue-Der , WU Chung-Yu

    … In the proposed PLL, the double-positive-feedbacks voltage-controlled oscillator (DPF-VCO) is used to generate current signals for the coupling current-mode injection-locked frequency divider (CCMILFD) and current-injection current-mode logic (CICML) divider. …

    IEICE Transactions on Electronics E94.C(8), 1289-1294, 2011

    J-STAGE CrossRef

  • 14

    Verification of Stable Circuit Operation of 180nm Current Controlled MOS Current Mode Logic under Threshold Voltage Fluctuation

    KAMIYANAGI Masashi , IMAMOTO Takuya , SASAKI Takeshi , NA Hyoungjun , ENDOH Tetsuo

    … We have succeeded in fabricating 180nm Current Controlled MOS Current Mode Logic (CC-MCML) and verified the stable circuit operation of 180nm CC-MCML under threshold voltage fluctuations by measurement. …

    IEICE Transactions on Electronics E94.C(5), 760-766, 2011

    J-STAGE CrossRef

  • 15

    The Impact of Current Controlled-MOS Current Mode Logic/Magnetic Tunnel Junction Hybrid Circuit for Stable and High-Speed Operation

    ENDOH Tetsuo , KAMIYANAGI Masashi , MURAGUCHI Masakazu , IMAMOTO Takuya , SASAKI Takeshi

    … To overcome this issue, we have proposed Current Controlled-MOS Current Mode Logic (CC-MCML) to realize the reduction of power consumption and the enhancement of the operation speed in logic circuits without scaling the gate length of the MOSFET, and confirmed the performance of these circuits both theoretically and experimentally. …

    IEICE Transactions on Electronics E94.C(5), 743-750, 2011

    J-STAGE CrossRef

  • 16

    Dicode Partial Response Signaling over Inductively-Coupled Channel

    YAMAGUCHI Koichi , MIZUNO Masayuki

    … A current-mode equalization in the transmitter designed in a 90-nm CMOS successfully reshapes waveforms to obtain dicode signals at the receiver. …

    IEICE Transactions on Electronics E94.C(4), 613-618, 2011

    J-STAGE CrossRef

  • 17

    AlGaN semiconductor lasers for short ultraviolet region  [in Japanese]

    YOSHIDA Harumasa , KUWABARA Masakazu , YAMASHITA Yoji , UCHIYAMA Kazuya , KAN Hirofumi

    AlGaN系多重量子井戸型レーザダイオードの室温下でのパルス駆動によるレーザ発振を実証した.GaN/AlGaNおよびAlGaN多重量子井戸型のレーザダイオードは,低転位のAlGaN結晶上に作製したもので,その発振波長は最も短いものでは336nmとなり,GaNのバンドギャップに相当する波長を遥かに下回る発振波長を達成した.本研究では、デバイスの光学および温度特性に加えキャリア再結合についても評価を行 …

    Technical report of IEICE. LQE 110(353), 63-67, 2010-12-10

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  • 18

    A Consideration of the Correlation between Impedance-matched method and Impedance-mismatched method in terms of the Power Consumption by a PIM Source  [in Japanese]

    YOSHIDA Sho , ISHIBASHI Daijiro , KUGA Nobuhiro

    不整合法を用いたPIM測定が従来の整合法測定に比べ高感度であることは実験的に確認されているが,その原理に関する定量的説明はこれまで報告されていない.本報告では,不整合法の一つである定在波同軸管法と従来の整合法それぞれについて,点波源近似したPIM源の消費電力とPIM発生量について考察している.その結果,PIM源における消費電力を用いることで,電流モードで発生するPIMを一義的に表現できることを確認 …

    IEICE technical report. EMD 110(350), 29-34, 2010-12-10

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  • 19

    Computed tomography for iodine contrast media detection using energy information measured by a current-mode detector

    Kanno I. , Imamura R. , Mikami K. , Ohtaka M. , Hashimoto M. , Ara K. , Onabe H.

    … To exploit the energy information of X-rays in computed tomography (CT), we developed a current-mode detector that gave the energy distribution of incident X-rays. … In addition, the CT values obtained for iodine contrast media were greater than the values obtained using conventional current CT, especially for higher X-ray tube voltages. …

    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 624(1), 219-222, 2010-12-01

    IR CrossRef

  • 20

    D40 SPM Analysis of cBN Coating Films for Cutting Tool  [in Japanese]

    TOKORO Toshio , IMADA Takumi , NOMA Masao , YAMASHITA Michiru , OGAWA Keiji , NAKAGAWA Heisaburo

    … SPM was observed in the current mode. … As a result, the current distribution of the film where cBN exists together had the difference of the contrast corresponding to the ruggedness on the surface, and, on the other hand, didn't had the difference of the contrast for the film where cBN is not included. …

    The ... Manufacturing & Machine Tool Conference 2010(8), 263-264, 2010-11-19

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