AshokKumar, N, and A Kavitha. “An Efficient and Novel Design of Loop Filter, Charge Pump and VCO for PLL Using CMOS Technology”. International Journal of Engineering & Technology 7, no. 3.1 (August 4, 2018): 39–41. Accessed May 2, 2024. https://sciencepubco.com/index.php/ijet/article/view/16793.