List of Articles سمعک Open Access Article Abstract Page Full-Text 1 - Design and Simulation of Fourth Order Sigma-Delta Modulator using Parametric Amplifier with Dynamic Threshold for Digital Hearing Aid Application Shima Alizadeh Zanjani Abumoslem Jannesari Pooya Torkzadeh 10.30495/jce.2023.1983365.1198 Open Access Article Abstract Page Full-Text 2 - Design and Simulation of Ultra-Low-Power Sigma-Delta Converter Using the Fully Differential Inverter-Based Amplifier for Digital Hearing Aids Application Shima Alizadeh Zanjani Abumoslem Jannesari Pooya Torkzadeh