ASHOKKUMAR, N; KAVITHA, A. An Efficient and Novel Design of Loop Filter, Charge Pump and VCO for PLL Using CMOS Technology. International Journal of Engineering and Technology, [S. l.], v. 7, n. 3.1, p. 39–41, 2018. DOI: 10.14419/ijet.v7i3.1.16793. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/16793.. Acesso em: 15 apr. 2025.