Kenji KAWAKAMI

Parallel Dual Modulus Prescaler with a Step Size of 0.5
Hideyuki NAKAMIZO Kenichi TAJIMA Ryoji HAYASHI Kenji KAWAKAMI Toshiya UOZUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Vol. E95-C  No. 7  pp. 1189-1194
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies)
Category: 
Keyword: 
phase locked loops, divider, phase noise, fractional-N frequency synthesizer, dual modulus prescaler, 
 Summary | Full Text:PDF
A Millimeter-Wave Pulse Transmitter with a Harmonic Mixer
Kenji KAWAKAMI Hiroshi IKEMATSU Koichi MATSUO Naohisa UEHARA Moriyasu MIYAZAKI Tadashi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/10/01
Vol. E88-C  No. 10  pp. 1947-1951
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies on Devices, Circuits, and Systems for Millimeter-wave ITS Applications)
Category: 
Keyword: 
millimeter-wave, pulse transmitter, harmonic mixer, 
 Summary | Full Text:PDF
Distortion Characteristics of an Even Harmonic Type Direct Conversion Receiver for CDMA Satellite Communications
Hiroshi IKEMATSU Ken'ichi TAJIMA Kenji KAWAKAMI Kenji ITOH Yoji ISOTA Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/25
Vol. E82-C  No. 5  pp. 699-707
Type of Manuscript:  Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits)
Category: 
Keyword: 
direct conversion, mixer, diode, third-order intermodulation, noise power ratio, 
 Summary | Full Text:PDF