Ultra wideband, low-power, 3-5.6 GHz, CMOS voltage-controlled oscillator. - Athanasios Tsitouras; Fotis Plessas (Microelectron. J., 2009)

Ultra-Wideband, Low-Power, Inductorless, 3.1-4.8 GHz, CMOS VCO. - Athanasios Tsitouras; Fotis Plessas (Circuits Syst. Signal Process., 2011)

Phase noise characterization of subharmonic injection locked oscillators. - Fotis Plessas; Athanasios Tsitouras; Grigorios Kalivas (Int. J. Circuit Theory Appl., 2011)

A linear, ultra wideband, low-power, 2.1-5 GHz, VCO. - Athanasios Tsitouras; Fotis Plessas; Grigorios Kalivas (Int. J. Circuit Theory Appl., 2011)

A 1 V CMOS programmable accurate charge pump with wide output voltage range. - Athanasios Tsitouras; Fotis Plessas; Michael K. Birbas; Grigorios Kalivas (Microelectron. J., 2011)

A sub-1V supply CMOS voltage reference generator. - Athanasios Tsitouras; Fotis Plessas; Michael K. Birbas; John C. Kikidis; Grigorios Kalivas (Int. J. Circuit Theory Appl., 2012)

Design of a sub-1V CMOS reference voltage generator. - Athanasios Tsitouras; Paul P. Sotiriadis (Microelectron. J., 2019)