@conference{choi2012a, title = {A Delta-Sigma Modulator Using Dual NTF for 1-Bit Digital Switching Amplifier}, author = {Choi, Jungmin and Cho, Jaeyong and Park, Haekwang}, booktitle = {Audio Engineering Society Convention 132}, month = {Apr}, year = {2012}, url = {https://www.aes.org/e-lib/browse.cfm?elib=16287} }