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)

An all-digital PLL for frequency multiplication by 4 to 1022 with seven-cycle lock time. - Takamoto Watanabe; Shigenori Yamauchi (IEEE J. Solid State Circuits, 2003)

An all-digital ADC/TDC for sensor interface with TAD architecture in 0.18-µm digital CMOS. - Takamoto Watanabe; Tomohito Terasawa (ICECS, 2009)

A 0.0027-mm2 9.5-bit 50-MS/s all-digital A/D converter TAD in 65-nm digital CMOS. - Takamoto Watanabe; Shigenori Yamauchi; Tomohito Terasawa (ICECS, 2009)

All-Digital Quadrature Detection With TAD for Radio-Controlled Clocks/Watches. - Sumio Masuda; Takamoto Watanabe; Shigenori Yamauchi; Tomohito Terasawa (IEEE Trans. Circuits Syst. I Regul. Pap., 2009)

An all-digital A/D converter TAD with 4-shift-clock construction for sensor interface in 0.65-μm CMOS. - Takamoto Watanabe; Tomohito Terasawa (ESSCIRC, 2010)

All-digital TAD-OFDM detection for sensor interface using TAD-digital synchronous detection. - Takamoto Watanabe; Tomohito Terasawa (ICECS, 2010)

All-Digital A/D converter TAD for sensor interface over wide temperature ranges. - Takamoto Watanabe; Hirofumi Isomura; Tomohito Terasawa (ICECS, 2012)

All-digital A/D converter TAD for high-resolution and low-power sensor/RF interface. - Takamoto Watanabe; Tomohito Terasawa (ICECS, 2012)

Radio receiver front-end using time-based all-digital ADC (TAD). - Tomohito Terasawa; Yuji Kamiya; Hiroyuki Kawashima; Kenichiro Imai; Masanobu Suzuki; Takamoto Watanabe; Nobuyuki Taguchi; Manabu Sawada; Yu Hou; Yoshiyuki Hirooka; Hong Phuc Ninh; Masaya Miyahara; et al. (ICECS, 2014)

All-digital 0.016mm2 reconfigurable sensor-ADC using 4CKES-TAD in 65nm digital CMOS. - Takamoto Watanabe; Yu Hou; Masaya Miyahara; Akira Matsuzawa (ICECS, 2014)

All-digital ADC/TDC using TAD architecture for highly-durable time-measurement ASIC. - Takamoto Watanabe; Hirofumi Isomura (ISCAS, 2014)

All-digital MEMS tuning-fork self-excited vibration control by phase-relation using TAD-based ADPLL. - Shigenori Yamauchi; Takamoto Watanabe (NEWCAS, 2015)

An All-Digital Reconfigurable Time-Domain ADC for Low-Voltage Sensor Interface in 65nm CMOS Technology. - Yu Hou; Takamoto Watanabe; Masaya Miyahara; Akira Matsuzawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Sensor/RF digitization for IoT-applications using all-digital-very-scalable-ADC TAD. - Takamoto Watanabe; Hideaki Ishihara; Tomoyasu Ito (MIXDES, 2017)

All-Digital-Very-Scalable-ADC TAD Showing Scaling-Effect in 40/16nm-CMOS Technology. - Takamoto Watanabe (ICECS, 2018)

All-Digital VCO-ADC TAD Using 4CKES-Type in 16-nm FinFET CMOS for Technology Scaling With Stochastic-ADC Method. - Takamoto Watanabe (ICECS, 2021)

All-Digital VCO-ADC TAD Confirming Scaling and Stochastic Effects Using 16-nm FinFET CMOS. - Takamoto Watanabe (ICECS, 2021)