A 1GS/s low-power low-kickback noise comparator in CMOS process. - Ali Baradaranrezaeii; Roozbeh Abdollahi; Khayrollah Hadidi; Abdollah Khoei (ECCTD, 2011)

A digitally assisted 20MHz-600MHz 16-phase DLL enhanced with dynamic gain control loop. - Arash Hejazi; Sarang Kazeminia; Roozbeh Abdollahi (ECCTD, 2015)

Programmable incrementing/decrementing binary accumulator for high-speed calibration loops. - Arefeh Soltani; Roozbeh Abdollahi; Sarang Kazeminia (ICECS, 2016)

A Simple and Reliable System to Detect and Correct Setup/Hold Time Violations in Digital Circuits. - Roozbeh Abdollahi; Khayrollah Hadidi; Abdollah Khoei (IEEE Trans. Circuits Syst. I Regul. Pap., 2016)