Junichi KODATE


A 1-V 2.4-GHz Downconverter for FSK Wireless Applications with a Complex BPF and a Frequency Doubler in CMOS/SOI
Mamoru UGAJIN Junichi KODATE Tsuneo TSUKAHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 888-894
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
RFFSK downconverterCMOSSOIcomplex BPFfrequency doubler
 Summary | Full Text:PDF(916.8KB)

Gain Improvement of a 2.4-GHz/5-GHz CMOS Low Noise Amplifier by Using High-Resistivity Silicon-on-Insulator Wafers
Junichi KODATE Mamoru UGAJIN Tsuneo TSUKAHARA Takakuni DOUSEKI Nobuhiko SATO Takehito OKABE Kazuaki OHMI Takao YONEHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/06/01
Vol. E86-C  No. 6  pp. 1041-1049
Type of Manuscript:  Special Section PAPER (Special Issue on Devices and Circuits for Next Generation Multi-Media Communication Systems)
Category: 
Keyword: 
RFICCMOSLNAsilicon-on-insulatorSOI
 Summary | Full Text:PDF(899.9KB)

A 1-V 2-GHz RF Receiver with 49 dB of Image Rejection in CMOS/SIMOX
Mamoru UGAJIN Junichi KODATE Tsuneo TSUKAHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 293-299
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
image rejectionCMOSlow voltageSOIRF
 Summary | Full Text:PDF(873.4KB)

A Low-Voltage 6-GHz-Band CMOS Monolithic LC-Tank VCO Using a Tuning-Range Switching Technique
Akihiro YAMAGISHI Tsuneo TSUKAHARA Mitsuru HARADA Junichi KODATE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 559-562
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit Techniques Supporting the System LSI Era)
Category: 
Keyword: 
voltage-controlled oscillatorwirelessCMOSSIMOXphase noise
 Summary | Full Text:PDF(463.4KB)