Yasuhiko KURIYAMA


An HPSK/OFDM 64-QAM Dual-Mode Doherty Power Amplifier Module for Mobile Terminals
Takayuki KATO Keiichi YAMAGUCHI Yasuhiko KURIYAMA Hiroshi YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/09/01
Vol. E90-C  No. 9  pp. 1678-1684
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Devices/Circuits
Keyword: 
Doherty amplifierPA moduleHPSKOFDM 64-QAMmulti-modemobile terminalGaAs MMIC
 Summary | Full Text:PDF(1.8MB)

A 4-mm-Square Miniaturized Doherty Power Amplifier Module for W-CDMA Mobile Terminals
Takayuki KATO Keiichi YAMAGUCHI Yasuhiko KURIYAMA Hiroshi YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 310-316
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
Doherty amplifierPA moduleW-CDMAmobile terminalGaAs MMIC
 Summary | Full Text:PDF(1.2MB)

An Optimum Bias Point Study of Low Local Oscillator Power Operation for 60 GHz Drain Mixer
Keiichi YAMAGUCHI Yasuhiko KURIYAMA Eiji TAKAGI Mitsuo KONNO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/25
Vol. E82-C  No. 11  pp. 1982-1991
Type of Manuscript:  Special Section PAPER (Special Issue on High-Frequency/High-Speed Devices for Information and Communication Systems in the 21st Century)
Category: Low Power-Consumption RF ICs
Keyword: 
drain mixerLO powerbiasMMICmillimeter wave
 Summary | Full Text:PDF(1MB)

High Fmax AlGaAs/GaAs HBTs with Pt/Ti/Pt/Au Base Contacts for DC to 40 GHz Broadband Amplifiers
Tohru SUGIYAMA Yasuhiko KURIYAMA Norio IIZUKA Kunio TSUDA Kouhei MORIZUKA Masao OBARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/25
Vol. E78-C  No. 8  pp. 944-948
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
semiconductor materials and devicesHBTamplifierbase metal
 Summary | Full Text:PDF(527.4KB)