Comparison and Performance Analysis of Ring Oscillators and Current-Starved VCO in 180-nm CMOS Technology. - Keshab Das; Nigidita Pradhan; Vipin Kumar 007; Sanjay Kumar Jana (ISDCS, 2020)

Design of Pass Transistor based Phase Frequency Detector for Fast Frequency Acquisition Phase Locked Loop. - Nigidita Pradhan; Keshab Das; Sanjay Kumar Jana; Mahesh Chandra Govil (ISDCS, 2020)

Design of a 1.29-1.61GHz LC-VCO with Improved Phase Noise and Figure-of-Merit (FoMT) for GPS and Satellite Navigation. - Keshab Das; Anup Dandapat; Sanjay Kumar Jana (J. Circuits Syst. Comput., 2022)