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)

Improved Phase Noise Performance of PFD/CP Operating in 1.5 MHz- 4.2 GHz for Phase-Locked Loop Application. - Nigidita Pradhan; Sanjay Kumar Jana (Circuits Syst. Signal Process., 2022)