Yohei MORISHITA


Design of Programmable Wideband Low Pass Filter with Continuous-Time/Discrete-Time Hybrid Architecture
Yohei MORISHITA Koichi MIZUNO Junji SATO Koji TAKINAMI Kazuaki TAKAHASHI 
Publication:   
Publication Date: 2017/10/01
Vol. E100-C  No. 10  pp. 858-865
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
Continuous TimeDiscrete Timelow pass filterequalizerCMOS
 Summary | Full Text:PDF(1.2MB)

A 60 GHz Hybrid Analog/Digital Beamforming Receiver with Interference Suppression for Multiuser Gigabit/s Radio Access
Koji TAKINAMI Hiroyuki MOTOZUKA Tomoya URUSHIHARA Masashi KOBAYASHI Hiroshi TAKAHASHI Masataka IRIE Takenori SAKAMOTO Yohei MORISHITA Kenji MIYANAGA Takayuki TSUKIZAWA Noriaki SAITO Naganori SHIRAKATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Vol. E99-C  No. 7  pp. 856-865
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
IEEE 802.11adWiGig60 GHzdirect conversionCMOSbeamforminginterference suppressioninterference rejection combining
 Summary | Full Text:PDF(2.2MB)

Simple Linearity Analysis of Passive Mixer Based on DC Characteristics of MOS FET
Yohei MORISHITA Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1236-1244
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
frequency conversiongainlinearitymixersMOSFET circuitsswitching circuits
 Summary | Full Text:PDF(1.4MB) | (Errata[Uploaded on February 1,2014])

A 60 GHz CMOS Transceiver IC for a Short-Range Wireless System with Amplitude/Phase Imbalance Cancellation Technique
Koji TAKINAMI Junji SATO Takahiro SHIMA Mitsuhiro IWAMOTO Taiji AKIZUKI Masashi KOBAYASHI Masaki KANEMARU Yohei MORISHITA Ryo KITAMURA Takayuki TSUKIZAWA Koichi MIZUNO Noriaki SAITO Kazuaki TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/10/01
Vol. E95-C  No. 10  pp. 1598-1609
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
CMOSmillimeter-wavedirect conversionamplitude/phase imbalancephase locked loop (PLL)injection locked frequency dividercalibrationpush-push voltage controlled oscillator60 GHz
 Summary | Full Text:PDF(5.5MB)

Design of a Direct Sampling Mixer with a Complex Coefficient Transfer Function
Yohei MORISHITA Noriaki SAITO Koji TAKINAMI Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/06/01
Vol. E95-C  No. 6  pp. 999-1007
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
attenuation poleCharge Domain Filter (CDF)complex filterDirect Sampling Mixer (DSM)discrete time systemsImage Rejection Mixer (IRM)IIR filtersreconfigurable architectures
 Summary | Full Text:PDF(1.3MB) | (Errata[Uploaded on February 1,2014])