List of Articles Operational Amplifier Open Access Article Abstract Page Full-Text 1 - Improvement of SNDR using Optimization of Feedback Path Coefficients for Second Order CRFB Modulators in Sigma-Delta Analog to Digital Converters Maryam Shahriary Abdolrasool Ghasemi najmeh cheraghi shirazi Open Access Article Abstract Page Full-Text 2 - Automatic design of a CMOS operational amplifier using a genetic algorithm Ali Jafari Alireza Malahzadeh Maryam Zekri Open Access Article Abstract Page Full-Text 3 - Design of a Two-Stage Operational Amplifier Using Artificial Neural Network Alireza Pourkhalili Sayed Mohammad Ali Zanjani