A 14-bit 12 μV/LSB resolution A/D converter for sensors using only digital circuit with low-pass filter effect. - Takamoto Watanabe; Tamotsu Mizuno; Yasuaki Makino (ICECS, 2001)

An all-digital analog-to-digital converter with 12-μV/LSB using moving-average filtering. - Takamoto Watanabe; Tamotsu Mizuno; Yasuaki Makino (IEEE J. Solid State Circuits, 2003)

DC-coupled IF stage design for a 900-MHz ISM receiver. - Takamoto Watanabe; Tamotsu Mizuno; Yasuaki Makino (IEEE J. Solid State Circuits, 2003)

A 28-GHz monolithic integrated quadrature oscillator in SiGe bipolar technology. - Takamoto Watanabe; Tamotsu Mizuno; Yasuaki Makino (IEEE J. Solid State Circuits, 2003)