Tomohiro NEZUKA, Katsuhiko MISAWA, Junichiro AZAMI, Yusuke MAJIMA and Jun-ichi OKAMURA
"A 10-bit 200MS/s Pipeline A/D Converter for High-Speed Video Signal Digitizer"
IEEE ASSCC 2006, I2-1, pp. 31-34 Nov., 2006

Yoshimasa Serizawa, Akira Yasuda, Jun Tayama,
"A New Background Calibration Method Using Noise Shaping for Precise Mismatch Detection of a Pipeline"
IEEJ AVLSIWS2006, ADC I, No. 2, pp. 1-5, Nov., 2006.

Takanori Tsuchiya, Keizo Yanagisawa, Katsuaki Sakurai, Akira Yasuda,
"A Low Noise Amplifier for a Sub-sampling Mixer"
IEEJ AVLSIWS2006, Amplifiers, No. 25, pp. 1-5, Nov., 2006.

Yousuke Yamanaka, Masao Zen, Yousuke Terada, Akira Yasuda,
"New fractional-N digital frequency synthesizer using fractional frequency comparator"
IEEJ AVLSIWS2006, PLL and Oscillators, No. 32, pp. 1-4, Nov., 2006.

Masao Zen, Akira Yasuda, Yousuke Terada, Yousuke Yamanaka,
"High-speed Lock-up and low jitter digital PLL with a digital counter"
IEEJ AVLSIWS2006, PLL and Oscillators, No. 33, pp. 1-6, Nov., 2006.

Terada Yousuke, Katsumi Syunsuke, Yasuda Akira, Zen, Masao,
"A Cascaded Delta-Sigma DAC with DWA for Decreasing Mismatch Effect"
Audio Engineering Society 121st Convention,High Resolution Audio, No. 6868, Oct, 2006.

Ueno Hajime, Ogata Katsuya, Soga Tsuyoshi, Yasuda Akira,
"Digital-Driven Piezoelectric Speaker using Multi-Bit Delta-Sigma Modulation"
Audio Engineering Society 121st Convention,Loudspeakers, No. 6943, Oct, 2006.

Akira Yasuda, Akinori Ohkubo, Katsuya Ogata and Hajime Ueno, Takeshi Anzai, Takashi Kimura, Koichiro Ochiai, and Toshihiko Hamasaki,
"A Single-chip Audio System with Delta-Sigma DAC and Class-D Amplifier"
IEEE ISCAS2006, pp. 5740-pp. 5743, May, 2006.

全 真生, 柴田 政範, 常見 卓也, 安田 彰,
"ミスマッチの影響を低減したミックスモードカスケードΔΣＤＡＣ"
電子情報通信学会 回路とシステム（軽井沢）ワークショップ2006, Apr. 2006.

若山大樹，全　真生，寺田洋介，山中洋介，安田　彰，
"ΔΣ変調器を用いた位相比較器の提案"
電子回路研究会ECT-06-20, pp. 49-54, Jan. 2006.

大久保明範，緒方克哉，榎本洋一，安田　彰，
"２次ノイズシェーピングを利用するD級増幅器のSNR改善に関する検討"
電子回路研究会ECT-06-21, pp. 55-60, Jan. 2006.