Ramesh K. POKHAREL


A 1.9GHz Low-Phase-Noise Complementary Cross-Coupled FBAR-VCO without Additional Voltage Headroom in 0.18µm CMOS Technology
Guoqiang ZHANG Awinash ANAND Kousuke HIKICHI Shuji TANAKA Masayoshi ESASHI Ken-ya HASHIMOTO Shinji TANIGUCHI Ramesh K. POKHAREL 
Publication:   
Publication Date: 2017/04/01
Vol. E100-C  No. 4  pp. 363-369
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
complementary cross-coupled VCODC latchFBAR-VCOparasitic oscillationphase noise
 Summary | Full Text:PDF

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-feedbackphase noisering oscillatordigitally controlled oscillatorquadrature outputs
 Summary | Full Text:PDF

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-waveon-chip band pass filterpattern ground shieldsfolded structuresystem on chip
 Summary | Full Text:PDF

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 amplifiergroup delay variationgain flatnessultra-wideband (UWB)
 Summary | Full Text:PDF

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 sensitivityfeed forward techniquefigure of meritphase noisering oscillatorreconfigurable wireless system quadrature outputs0.18 µm CMOS
 Summary | Full Text:PDF

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: 
DCODNLtuning rangemonotonicityphase noise0.18 µm CMOS
 Summary | Full Text:PDF

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 oscillatortiny capacitorphase noisefrequency tuning step5-GHz-band wireless LAN0.18 µm CMOS
 Summary | Full Text:PDF

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 lineimpedance-matching circuit2.4 GHz-band wireless LANλ/4 resonatortransmission-line theory
 Summary | Full Text:PDF

Analysis of EM Environment for DSRC System on Express Highway with Wave Absorbers on Sidewalls and Pavement
Ramesh K. POKHAREL Osamu HASHIMOTO Makoto TOYOTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/01/01
Vol. E89-C  No. 1  pp. 61-68
Type of Manuscript:  Special Section PAPER (Special Section on Near-Field and Far-Field Electromagnetic Absorption and Shielding and Related Technologies)
Category: 
Keyword: 
communication rangeDSRC systemEM environmentEM wave absorberray-tracing method
 Summary | Full Text:PDF

Realization of Attenuation Poles, Spurious Resonance Suppression and Size Reduction by Microstrip SIR Loaded with Dielectric Rods
Ramesh K. POKHAREL Kouji WADA Osamu HASHIMOTO Takeshi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12  pp. 2302-2309
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: Devices
Keyword: 
attenuation poledielectric rodsFDTD methodspurious responsesSIRtapped λ/2 microstrip resonator
 Summary | Full Text:PDF

Out-of-Band Improvement by Microstrip Line BPFs with Multiple Attenuation Poles in Stopband Using Various Conditions of Coupling Length of Partially Coupled-Line Section
Kouji WADA Ramesh K. POKHAREL Takanobu OHNO Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1430-1439
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: Resonators & Filters
Keyword: 
coupled-line BPFattenuation polesout-of-band characteristicsspurious responsesmicrostrip line
 Summary | Full Text:PDF

Analysis of Error Due to Exclusion of Higher Modes on Complex Permittivity Measurement Using Waveguide with Flange
Kouji SHIBATA Osamu HASHIMOTO Ramesh K. POKHAREL 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/01/01
Vol. E88-C  No. 1  pp. 139-142
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
measurement of complex pemittivityrectangular waveguide with flangeFDTDSDA
 Summary | Full Text:PDF

A Method for LTCC Resonators to Realize Improved-Resonant Characteristics on Reduced-Size Microstrip Structure
Ramesh K. POKHAREL Kouji WADA Osamu HASHIMOTO Takeshi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/09/01
Vol. E87-C  No. 9  pp. 1517-1523
Type of Manuscript:  Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications)
Category: Components and Devices
Keyword: 
dielectric rodsFDTD methodmicrostrip resonatorspurious responsesattenuation pole
 Summary | Full Text:PDF