Junji Wadatsumi

A fully integrated 2×1 dual-band direct-conversion transceiver with dual-mode fractional divider and noise-shaping TIA for mobile WiMAX SoC in 65nm CMOS

Jun Deguchi, Daisuke Miyashita, Yosuke Ogasawara, 2010, 2010 IEEE International Solid-State Circuits Conference - (ISSCC).

A 12.8 GB/S Daisy Chain-Based Downlink I/F Employing Spectrally Compressed Multi-Band Multiplexing for High-Bandwidth and Large-Capacity Storage Systems

Jun Deguchi, Daisuke Miyashita, Junji Wadatsumi, 2018, 2018 IEEE Symposium on VLSI Circuits.

30.3 A 25.6Gb/s Uplink-Downlink Interface Employing PAM-4-Based 4-Channel Multiplexing and Cascaded CDR Circuits in Ring Topology for High-Bandwidth and Large-Capacity Storage Systems

Hiroyuki Kobayashi, Jun Deguchi, Rui Ito, 2019, 2019 IEEE International Solid- State Circuits Conference - (ISSCC).

A 12.8-Gb/s Daisy Chain-Based Downlink I/F Employing Spectrally Compressed Multi-Band Multiplexing for High-Bandwidth, Large-Capacity Storage Systems

Ryuichi Fujimoto, Jun Deguchi, Daisuke Miyashita, 2019, IEEE Journal of Solid-State Circuits.

A 1.2V 0.2-to-6.3GHz Transceiver with Less Than -29.5dB EVM@-3dBm and a Choke/Coil-Less Pre-Power Amplifier

Daisuke Miyashita, Rui Ito, Junji Wadatsumi, 2008, 2008 IEEE International Solid-State Circuits Conference - Digest of Technical Papers.

Polar Antenna Impedance Detection and Tuning for Efficiency Improvement in a 3G/4G CMOS Power Amplifier

Junji Wadatsumi, Takashi Yamaguchi, Shouhei Kousai, 2014, IEEE Journal of Solid-State Circuits.

A Low-Noise and Highly-Linear Transmitter with Envelope Injection Pre-Power Amplifier for Multi-Mode Radio

Kenichi Okada, Daisuke Miyashita, Rui Ito, 2011, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

19.3 66.3KIOPS-random-read 690MB/s-sequential-read universal Flash storage device controller with unified memory extension

Daisuke Miyashita, Junji Wadatsumi, Konosuke Watanabe, 2014, 2014 IEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC).

A Fully Integrated 2 $\times$ 1 Dual-Band Direct-Conversion Mobile WiMAX Transceiver With Dual-Mode Fractional Divider and Noise-Shaping Transimpedance Amplifier in 65 nm CMOS

Jun Deguchi, Daisuke Miyashita, Yosuke Ogasawara, 2010, IEEE Journal of Solid-State Circuits.