Improved ultrasound digital beamforming using single-bit sigma-delta modulators with band-pass decimation filters. - Gunes D. Altinok; Mohammed Al-Janabi; Izzet Kale (ISCAS, 2011)

Stability Analysis of Bandpass Sigma-Delta Modulators for Single and Dual Tone Sinusoidal Inputs. - Gunes D. Altinok; Mohammed Al-Janabi; Izzet Kale (IEEE Trans. Instrum. Meas., 2011)