High speed frequency synthesizer based on PLL. - Konstantinos Efstathiou 002; George D. Papadopoulos; Grigorios A. Kalivas (ICECS, 1996)

An enhanced frequency synthesizer using an analog dual input accumulator. - Kostas Efstathiou; George D. Papadopoulos (ICECS, 1999)

Implementation of a bandwidth-efficient M-FSK demodulator for powerline communications. - Gerasimos Maniatis; Konstantinos Efstathiou 002; George Papadopoulos (ESSCIRC, 2003)

Design, Implementation and Evaluation of a Remote Laboratory System for Electrical Engineering Courses. - Dimitris Karadimas; Kostas Efstathiou (ICALT, 2006)

Linear range extension of a phase-frequency-detector with saturated output. - Michail Papamichail; Dimitris Karadimas; Kostas Efstathiou; George D. Papadopoulos (ISCAS, 2006)

An Integrated Educational Platform Implementing Real, Remote Lab-Experiments for Electrical Engineering Courses. - Dimitris Karadimas; Kostas Efstathiou (J. Comput., 2007)

Poster: DVFS management in real-processors. - Vasileios Spiliopoulos 001; Georgios Keramidas; Stefanos Kaxiras; Konstantinos Efstathiou 002 (ICS, 2011)