A high-PSR LDO using a feedforward supply-noise cancellation technique. - Bangda Yang; Brian Drost; Sachin Rao; Pavan Kumar Hanumolu (CICC, 2011)

A 0.55V 61dB-SNR 67dB-SFDR 7MHz 4th-order Butterworth filter using ring-oscillator-based integrators in 90nm CMOS. - Brian Drost; Mrunmay Talegaonkar; Pavan Kumar Hanumolu (ISSCC, 2012)

Analog Filter Design Using Ring Oscillator Integrators. - Brian Drost; Mrunmay Talegaonkar; Pavan Kumar Hanumolu (IEEE J. Solid State Circuits, 2012)