A PROPOSED METHOD FOR EVALUATING THE OPTIMUM LOAD IMPEDANCE IN NEGATIVE RESISTANCE RF OSCILLATORS. J. eng. sustain. dev. 2016;20(2):1-23. تاريخ الوصول مايو 19, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/653