Journal of Electronic Systems Georgi Valkov and Elissaveta Gadjeva 12 4 2022 https://doi.org/10.6025/jes/2022/12/4/105-110 https://www.dline.info/jes/fulltext/v12n4/jesv12n4_3.pdf In the low noise operational amplifiers, the noise is an issue. To offset the noise effects, we have developed a description Verilog which is a dynamic macro-model. We have also performed testing and found that the model is more efficient when comparing with the compatible Spice library model.