Tetsuo HIROTA


Novel Band-Reconfigurable High Efficiency Power Amplifier Employing RF-MEMS Switches
Atsushi FUKUDA Hiroshi OKAZAKI Tetsuo HIROTA Yasushi YAMAO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/11/01
Vol. E88-C  No. 11  pp. 2141-2149
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
band-switchable matching networkmicroelectro mechanical devicesmulti-bandswitchespower amplifiers
 Summary | Full Text:PDF

Compact Monolithic Frequency Converters for a V-Band Transmitter/Receiver
Hiroshi OKAZAKI Tetsuo HIROTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/12/25
Vol. E79-B  No. 12  pp. 1754-1758
Type of Manuscript:  Special Section PAPER (Special Issue on Millimeter-wave Short-range Application Systems Technology)
Category: 
Keyword: 
MMICup-converterdown-converterresistive FET mixer
 Summary | Full Text:PDF

A GaAs Monolithic Sampling Phase Frequency Comparator for Extending the Pull-In Range of Microwave Phase-Locked Oscillators
Tadao NAKAGAWA Tetsuo HIROTA Takashi OHIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/06/25
Vol. E76-C  No. 6  pp. 944-949
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology for Advanced Functions and Size-Reductions)
Category: 
Keyword: 
samplingphase frequency comparatorMMICKu-bandpull-in range
 Summary | Full Text:PDF