@article{ author = {Alizadeh Zanjani, Shima, Jannesari, Abumoslem, Torkzadeh, Pooya}, title = {Design and Simulation of Fourth Order Sigma-Delta Modulator using Parametric Amplifier with Dynamic Threshold for Digital Hearing Aid Application}, journal = {Journal of Southern Communication Engineering}, year = {2023}, volume = {13}, issue = {49}, pages = {1-22}, doi = {10.30495/jce.2023.1983365.1198}, url = {https://sanad.iau.ir/fa/Article/870000} }