Taizo YAMAWAKI

100–1000 MHz Programmable Continuous-Time Filter with Auto-Tuning Schemes and Digital Calibration Sequences for HDD Read Channels
Takahide TERADA  Koji NASU  Taizo YAMAWAKI  Masaru KOKUBO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/06/01
Vol. E95-C  No. 6  pp. 1050-1058
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
Gm-C filter,  biquad filter,  digitally assisted compensation,  auto tuning,  digital calibration,  analog front end, 
  Summary |  Full Text:PDF (3.4MB)
A 270-MHz CMOS Quadrature Modulator for a GSM Transmitter
Taizo YAMAWAKI  Satoshi TANAKA  Hiroshi HAGISAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/20
Vol. E83-A  No. 2  pp. 272-273
Type of Manuscript: Special Section LETTER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
CMOS GSM transmitter QMOD, 
  Summary |  Full Text:PDF (326.3KB)
A CMOS Offset Phase Locked Loop for a GSM Transmitter
Taizo YAMAWAKI  Masaru KOKUBO  Hiroshi HAGISAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/20
Vol. E82-A  No. 2  pp. 307-312
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
CMOS GSM transmitter PLL, 
  Summary |  Full Text:PDF (523.5KB)