List of Articles Hardware Open Access Article Abstract Page Full-Text 1 - Design and implementation of ECG signal extraction and processing system for the diagnosis of cardiac arrhythmia Ilghar Rezaei Arash Kalami Open Access Article Abstract Page Full-Text 2 - Design of a Digital Sigma Delta Modulator with Separate Pipeline Lines for Fractional Frequency Synthesizers Leila Jahan panah Seyed Ali Sadatnoori Iman Chaharmahali