Nobuyuki KUROIWA


A Noise-Shaping Algorithm of Multi-bit DAC Nonlinearities in Complex Bandpass ΔΣAD Modulators
Hao SAN Haruo KOBAYASHI Shinya KAWAKAMI Nobuyuki KUROIWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/04/01
Vol. E87-A  No. 4  pp. 792-800
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 16th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
complex bandpass ΔΣAD modulatorbandpass filternoise-shapingADCDACelement rotationdata-weighted averaginglow-IF receiver
 Summary | Full Text:PDF(995.5KB)

High-Efficiency Charge-Pump Circuits which Use a 0.5Vdd-Step Pumping Method
Takao MYONO Tatsuya SUZUKI Akira UEMOTO Shuhei KAWAI Takashi IIJIMA Nobuyuki KUROIWA Haruo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 371-380
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
charge-pump circuitDC-DC converterhigh-efficiencyhigh-voltage generation
 Summary | Full Text:PDF(2MB)