Mohammed Ali Al-Raie F. A PROPOSED METHOD FOR EVALUATING THE OPTIMUM LOAD IMPEDANCE IN NEGATIVE RESISTANCE RF OSCILLATORS. J. eng. sustain. dev. 2016;20(2):1-23. Accessed June 4, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/653