Xiaopeng Li, Mohammed Ismail. A Second-Order Sigma-Delta Modulator with Built-in VGA to Improve SNR and Harmonic Distortion. In 9th Great Lakes Symposium on VLSI (GLS-VLSI 99), 4-6 March 1999, Ann Arbor, MI, USA. pages 376-379, IEEE Computer Society, 1999. [doi]
Abstract is missing.