Inventor
TAMBA YUKO
JP6 patents
Patents
6 patentsUS5594383AJan 14, 1997
Analog filter circuit and semiconductor integrated circuit device using the same
HITACHI LTD56 citations94
US5515047AMay 7, 1996
Converter, offset adjustor, and portable communication terminal unit
HITACHI LTD66 citations94
US5227795AJul 13, 1993
Over-sampling analog-to-digital converter using a current switching circuit as a local digital-to-analog converter
HITACHI LTD40 citations91
US5679971AOct 21, 1997
Semiconductor integrated circuit
HITACHI LTD47 citations90
US6130577AOct 10, 2000
Digital demodulators for phase modulated and amplitude-phase modulated signals
HITACHI LTD51 citations89
US5347279ASep 13, 1994
Analog/digital converter of the over-sampling type with feedback correction to offset sampling error
HITACHI LTD17 citations72