Jangra, Vivek, and Manoj Kumar. “A minimum power VCO design using an IMOS varactor for portable RF circuits”. Engineering and Applied Science Research 46, no. 4 (December 12, 2019): 331–339. accessed September 24, 2026. https://ph01.tci-thaijo.org/index.php/easr/article/view/188437.