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

A 3.3V 500mA digital Buck-Boost converter with 92% peak efficiency using constant ON/OFF time delta-sigma fractional-N control. - Qadeer Khan; Sachin Rao; Damian Swank; Arun Rao; William McIntyre; Sarvesh Bang; Pavan Kumar Hanumolu (ESSCIRC, 2011)

A 1.2A buck-boost LED driver with 13% efficiency improvement using error-averaged SenseFET-based current sensing. - Sachin Rao; Qadeer Khan; Sarvesh Bang; Damian Swank; Arun Rao; William McIntyre; Pavan Kumar Hanumolu (ISSCC, 2011)

A 1.2-A Buck-Boost LED Driver With On-Chip Error Averaged SenseFET-Based Current Sensing Technique. - Sachin Rao; Qadeer Khan; Sarvesh Bang; Damian Swank; Arun Rao; William McIntyre; Pavan Kumar Hanumolu (IEEE J. Solid State Circuits, 2011)

A 13b 315fsrms 2mW 500MS/s 1MHz bandwidth highly digital time-to-digital converter using switched ring oscillators. - Amr Elshazly; Sachin Rao; Brian Young; Pavan Kumar Hanumolu (ISSCC, 2012)

A 16mW 78dB-SNDR 10MHz-BW CT-ΔΣ ADC using residue-cancelling VCO-based quantizer. - Karthikeyan Reddy; Sachin Rao; Rajesh Inti; Brian Young; Amr Elshazly; Mrunmay Talegaonkar; Pavan Kumar Hanumolu (ISSCC, 2012)

A 900mA 93% efficient 50µA quiescent current fixed frequency hysteretic buck converter using a highly digital hybrid voltage- and current-mode control. - Qadeer Khan; Amr Elshazly; Sachin Rao; Rajesh Inti; Pavan Kumar Hanumolu (VLSIC, 2012)

A 16-mW 78-dB SNDR 10-MHz BW CT Delta Sigma ADC Using Residue-Cancelling VCO-Based Quantizer. - Karthikeyan Reddy; Sachin Rao; Rajesh Inti; Brian Young; Amr Elshazly; Mrunmay Talegaonkar; Pavan Kumar Hanumolu (IEEE J. Solid State Circuits, 2012)

A VCO-based current-to-digital converter for sensor applications. - Praveen Prabha; Seong Joong Kim; Karthikeyan Reddy; Sachin Rao; Nathanael Griesert; Arun Rao; Greg Winter; Pavan Kumar Hanumolu (CICC, 2014)

Measuring the Learning Benefits of Electronic Teaching Aids in Low-Resource Classrooms. - Linda Nixon; Jona Roy; Hema Latha; Sachin Rao; Bhagya Rangachar; William Thies (ACM DEV, 2014)

A 75dB DR 50MHz BW 3rd order CT-ΔΣ modulator using VCO-based integrators. - Brian Young; Karthik Reddy; Sachin Rao; Amr Elshazly; Tejasvi Anand; Pavan Kumar Hanumolu (VLSIC, 2014)

A Noise-Shaping Time-to-Digital Converter Using Switched-Ring Oscillators - Analysis, Design, and Measurement Techniques. - Amr Elshazly; Sachin Rao; Brian Young; Pavan Kumar Hanumolu (IEEE J. Solid State Circuits, 2014)

A Deterministic Digital Background Calibration Technique for VCO-Based ADCs. - Sachin Rao; Karthikeyan Reddy; Brian Young; Pavan Kumar Hanumolu (IEEE J. Solid State Circuits, 2014)

A 54mW 1.2GS/s 71.5dB SNDR 50MHz BW VCO-based CT ΔΣ ADC using dual phase/frequency feedback in 65nm CMOS. - Karthikeyan Reddy; Siladitya Dey 002; Sachin Rao; Brian Young; Praveen Prabha; Pavan Kumar Hanumolu (VLSIC, 2015)

A Highly Digital VCO-Based ADC Architecture for Current Sensing Applications. - Praveen Prabha; Seong Joong Kim; Karthikeyan Reddy; Sachin Rao; Nathanael Griesert; Arun Rao; Greg Winter; Pavan Kumar Hanumolu (IEEE J. Solid State Circuits, 2015)