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Keiji YOSHIDA

60 GHz Millimeter-Wave CMOS Integrated On-Chip Open Loop Resonator Bandpass Filters on Patterned Ground Shields Ramesh K. POKHAREL Xin LIU Dayang A.A. MAT Ruibing DONG Haruichi KANAYA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/02/01 Vol. E96-C No. 2 pp. 270-276 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: millimeter-wave, on-chip band pass filter, pattern ground shields, folded structure, system on chip,
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Low Phase Noise 14-Bit Digitally Controlled CMOS Quadrature Ring Oscillator Ramesh K. POKHAREL Prapto NUGROHO Awinash ANAND Abhishek TOMAR Haruichi KANAYA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/02/01 Vol. E96-C No. 2 pp. 262-269 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: sub-feedback, phase noise, ring oscillator, digitally controlled oscillator, quadrature outputs,
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A Wide Range CMOS Power Amplifier with Improved Group Delay Variation and Gain Flatness for UWB Transmitters Rohana SAPAWI Ramesh K. POKHAREL Haruichi KANAYA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/07/01 Vol. E95-C No. 7 pp. 1182-1188 Type of Manuscript: Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies) Category: Keyword: CMOS power amplifier, group delay variation, gain flatness, ultra-wideband (UWB),
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A Wide Tuning Range CMOS Quadrature Ring Oscillator with Improved FoM for Inductorless Reconfigurable PLL Ramesh K. POKHAREL Shashank LINGALA Awinash ANAND Prapto NUGROHO Abhishek TOMAR Haruichi KANAYA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1524-1532 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Active Devices and Circuits Keyword: frequency tuning sensitivity, feed forward technique, figure of merit, phase noise, ring oscillator, reconfigurable wireless system quadrature outputs, 0.18 µm CMOS,
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Modeling of Non-linearity in Digitally Controlled Oscillator in 0.18 µm CMOS Technology Abhishek TOMAR Shashank LINGALA Ramesh K. POKHAREL Haruichi KANAYA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/10/01 Vol. E93-C No. 10 pp. 1548-1549 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: DCO, DNL, tuning range, monotonicity, phase noise, 0.18 µm CMOS,
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Low Phase Noise, 18 kHz Frequency Tuning Step, 5 GHz, 15 bit Digitally Controlled Oscillator in 0.18 µm CMOS Technology Ramesh K. POKHAREL Kenta UCHIDA Abhishek TOMAR Haruichi KANAYA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 1007-1013 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: digitally controlled oscillator, tiny capacitor, phase noise, frequency tuning step, 5-GHz-band wireless LAN, 0.18 µm CMOS,
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Design of 5 GHz-Band Power Amplifier with On-Chip Matching Circuits Using CPW Impedance (K) Inverters Ramesh Kumar POKHAREL Haruichi KANAYA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/11/01 Vol. E91-C No. 11 pp. 1824-1827 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: on-chip CPW impedance-matching circuit, 5GHz-band wireless LAN, λ/4 resonator, power amplifier,
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Design and Verification of On-Chip Impedance-Matching Circuit Using Transmission-Line Theory for 2.4 GHz-Band Wireless Receiver Front-End Haruichi KANAYA Ramesh K. POKHAREL Fuminori KOGA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/12/01 Vol. E89-C No. 12 pp. 1888-1895 Type of Manuscript: Special Section PAPER (Special Section on Emerging Microwave Techniques) Category: Passive Circuits/Components Keyword: CPW line, impedance-matching circuit, 2.4 GHz-band wireless LAN, λ/4 resonator, transmission-line theory,
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Design of a Miniaturized Superconducting Bandpass Filter by Evaluating the Kinetic Inductance in the K-Inverter Haruichi KANAYA Koji KAWAKAMI Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/02/01 Vol. E89-C No. 2 pp. 145-150 Type of Manuscript: Special Section PAPER (Special Section on Superconducting High-frequency Devices) Category: Keyword: HTS passive device, bandpass filter, quarter-wavelength resonator, meander line, coplanar waveguide,
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Electrically Small Antennas with Miniaturized Impedance Matching Circuits for Semiconductor Amplifiers Keiji YOSHIDA Yukako TSUTSUMI Haruichi KANAYA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/07/01 Vol. E88-C No. 7 pp. 1368-1374 Type of Manuscript: Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications) Category: Active Circuits & Antenna Keyword: RF front-end, miniaturized matching circuit, electrically small antenna, semiconductor amplifier, coplanar waveguide,
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Design and Performance of High T_c Superconducting Coplanar Waveguide Matching Circuit for RF-CMOS LNA Haruichi KANAYA Yoko KOGA Jun FUJIYAMA Go URAKAWA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/01/01 Vol. E86-C No. 1 pp. 37-42 Type of Manuscript: Special Section PAPER (Special Issue on Superconductor Digital/Analog Circuit Technologies) Category: HTS Digital Applications Keyword: microwave device, CMOS low noise amplifier, matching circuit, coplanar waveguide (CPW), HTS device,
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Design and Performance of Miniaturized HTS Coplanar Waveguide Bandpass Filters with Highly Packed Meanderlines Haruichi KANAYA Yoko KOGA Tatsunori SHINTO Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/03/01 Vol. E85-C No. 3 pp. 708-713 Type of Manuscript: Special Section PAPER (Special Issue on Superconductive Electronics) Category: Microwave Devices and Systems Keyword: microwave device, bandpass filter, coplanar waveguide, HTS passive device,
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Modeling of High-T_c Superconducting Transmission Lines with Anisotropic Complex Conductivity Keiji YOSHIDA Haruyuki TAKEYOSHI Hiroshi MORITA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2000/01/20 Vol. E83-C No. 1 pp. 7-14 Type of Manuscript: Special Section PAPER (Special Issue on Superconductive Devices and Systems) Category: Microwave Devices Keyword: high T_c superconducting transmission line, weakly coupled grain model, anisotropic complex conductivity,
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FOREWORD Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2000/01/20 Vol. E83-C No. 1 pp. 1-1 Type of Manuscript: FOREWORD Category: Keyword:
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Evaluation of Microwave Complex Conductivities of YBa₂Cu₃O_x Thin Films Keiji YOSHIDA Tetsuo ADOU Shido NISHIOKA Yutaka KANDA Hisashi SHIMAKAGE Zhen WANG
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1998/10/20 Vol. E81-C No. 10 pp. 1565-1572 Type of Manuscript: Special Section PAPER (Special Issue on Low- and High-Temperature Superconductive Electron Devices and Their Applications) Category: High-Frequency Properties of Thin Films Keyword: high T_c thin film, YBa₂Cu₃O_x, complex conductivity, weakly coupled grain model,
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Weakly Coupled Grain Model for the Residual Surface Resistance of YBa₂Cu₃O_x Thin Films Keiji YOSHIDA Tomohiro ONOUE Takanobu KISS Hisashi SHIMAKAGE Zhen WANG
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1996/09/20 Vol. E79-C No. 9 pp. 1254-1259 Type of Manuscript: Special Section PAPER (Special Issue on Toward Digital and Analog Applications of Superconductors) Category: Device technology Keyword: weakly coupled grain model, high T_c thin film, YBa₂Cu₃O_x residual surface resistance,
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LiNbO₃ Optical Modulator Using a Superconducting Resonant Electrode Keiji YOSHIDA Akihiko NOMURA Yutaka KANDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1994/08/20 Vol. E77-C No. 8 pp. 1181-1184 Type of Manuscript: Special Section PAPER (Special Section on Superconducting Devices) Category: LTS Keyword: LiNbO₃ optical modulator, superconducting electrode, resonant type optical modulator,
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Microwave Characteristics of a Traveling-Wave Type LiNbO₃ Optical Modulator with Superconducting Electrodes Keiji YOSHIDA Noriaki HORIGUCHI Yutaka KANDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1993/08/20 Vol. E76-C No. 8 pp. 1287-1290 Type of Manuscript: Special Section PAPER (Special Issue on High-Temperature Superconducting Electronics) Category: Keyword: LiNbO₃ optical modulator, superconducting electrodes, traveling-wave type optical modulator, microwave characteristics,
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LiNbO₃ Optical Modulator with Superconducting Electrodes Keiji YOSHIDA Katsuhiko IKEDA Yutaka KANDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1992/08/20 Vol. E75-C No. 8 pp. 894-899 Type of Manuscript: Special Section PAPER (Special Issue on Cryogenic Microwave Devices) Category: Passive Devices Keyword: LiNbO₃ optical modulator, superconducting electrodes,
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RF Properties of the Coupling Circuit between dc SQUID and Multiturn Input Coil Keiji ENPUKU Toshihiro TANAKA Keiji YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1991/07/20 Vol. E74-C No. 7 pp. 2020-2028 Type of Manuscript: Special Section PAPER (Special Issue on Low Temperature Electronics) Category: Keyword:
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Josephson NDRO Memory Cell with a Direct-Coupled Sense Gate Keiji ENPUKU Kuniaki SUEOKA Keiji YOSHIDA Fujio IRIE
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1984/06/20 Vol. E67-E No. 6 pp. 331-332 Type of Manuscript: LETTER Category: Other Devices Keyword:
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Minimum Current of a Two-Junction SQUID Gate Keiji ENPUKU Kuniaki SUEOKA Keiji YOSHIDA Fujio IRIE
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1984/01/20 Vol. E67-E No. 1 pp. 33-39 Type of Manuscript: PAPER Category: Other Devices Keyword:
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Flux-Flow Type Josephson Oscillator with a Coupling Circuit to a Quasiparticle Detector Tadao NAGATSUMA Keiji ENPUKU Fujio IRIE Keiji YOSHIDA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1983/11/20 Vol. E66-E No. 11 pp. 680-681 Type of Manuscript: LETTER Category: Other Devices Keyword:
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Dynamic Properties of Josephson-Junction Circuits Keiji YOSHIDA Katsushi IWASHITA Fujio IRIE
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1980/01/20 Vol. E63-E No. 1 pp. 24-30 Type of Manuscript: PAPER Category: Electronic Circuits Keyword:
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