Isao YOSHIDA


Development of High Efficiency RF Power MOSFET for GSM Cellular Phone System
Yuri KUSAKARI Masatoshi MORIKAWA Kazunori ONOZAWA Iwamichi KOHJIRO Isao YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/07/01
Vol. E85-C  No. 7  pp. 1436-1442
Type of Manuscript:  Special Section PAPER (Special Issue on Silicon RF Device & Integrated Circuit Technologies)
Category: 
Keyword: 
GSMRF power MOSFET0.45-µm LSI processpower-added efficiency
 Summary | Full Text:PDF(1.1MB)

Bit Error Rate Measurement of a Measuring System Designed for Superconducting Digital Circuits
Kazuhiro SHIMAOKA Seiichi TOKUNAGA Masaaki NEMOTO Isao YOSHIDA Akira FUJIMAKI Hisao HAYAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/01/01
Vol. E84-C  No. 1  pp. 29-34
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Digital Applications
Keyword: 
bit error rate (BER)cryo-coolervector network measurementsuperconductormagnetic shield
 Summary | Full Text:PDF(748KB)

Analysis by I-V Curves for Intrinsic Josephson Junctions of Tl2Ba2CaCu2Ox Thin Films on MgO Substrates
Shuichi YOSHIKAWA Masaaki NEMOTO Kazuhiro SHIMAOKA Isao YOSHIDA Yorinobu YOSHISATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/10/25
Vol. E80-C  No. 10  pp. 1291-1296
Type of Manuscript:  INVITED PAPER (Special Issue on Basic Properties and Applications of Superconductive Electron Devices)
Category: 
Keyword: 
Tl2Ba2CaCu2Ox thin filmintrinsic Josephson junctionmillimeter wave
 Summary | Full Text:PDF(550.2KB)

Highly Efficient 1.5-GHz Band Si Power MOS Amplifier Module
Isao YOSHIDA Mineo KATSUEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/25
Vol. E78-C  No. 8  pp. 979-983
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
Si power MOS amplifier moduledigital cellular transmitterintegrated impedance matching
 Summary | Full Text:PDF(340.4KB)