Koji Fukuda, Hiroki Yamashita, Fumio Yuki, Goichi Ono, Ryo Nemoto, Eiichi Suzuki, Takashi Takemoto, Tatsuya Saito. st-order ΔΣ modulator. In IEEE International Solid-State Circuits Conference, ISSCC 2009, Digest of Technical Papers, San Francisco, CA, USA, 8-12 February, 2009. pages 186-187, IEEE, 2009. [doi]