Isao OHBU


Thermal Gain Variation Compensation Technique Using Thermistor on HPA Module for W-CDMA System
Akira KURIYAMA Shigehiro YUYAMA Masami OHNISHI Hidetoshi MATSUMOTO Tomonori TANOUE Isao OHBU Fuminori MORISAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/12/01
Vol. E91-C  No. 12  pp. 1933-1940
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
high-power amplifier modulethermistorthermal gain variationlinearityW-CDMA
 Summary | Full Text:PDF(782.9KB)

Theoretical Analysis of Transconductance Enhancement Caused by Electron-Concentration-Dependent Screening in Heavily Doped Systems
Shirun HO Aya MORIYOSHI Isao OHBU Osamu KAGAYA Hiroshi MIZUTA Ken YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/02/25
Vol. E77-C  No. 2  pp. 155-160
Type of Manuscript:  Special Section PAPER (Special Issue on 1993 VLSI Process and Device Modeling Workshop (VPAD 93))
Category: Device Modeling
Keyword: 
transconductancemobilityself-consistent and nonequilibrium screeningheavily doped systemsionized impurity scattering
 Summary | Full Text:PDF(640.3KB)