Locking techniques for RF oscillators at 5-6 GHz frequency range. - Fotis Plessas; Grigorios Kalivas (ICECS, 2003)

A 5 GHz low noise amplifier on 0.35 μm BiCMOS SiGe. - Fotis Plessas; Grigorios Kalivas (ICECS, 2003)

A Subharmonic Injection-Locked Self-Oscillating Mixer. - Fotis Plessas; Andreas Papalambrou; Grigorios Kalivas (ISCAS, 2007)

Theoretical and Experimental Evaluation of the Phase Noise Behavior of a Dual-Loop Frequency synthesizer for 5-GHZ WLANS. - Fotis Plessas; Sofia Vatti; Grigorios Kalivas (J. Circuits Syst. Comput., 2007)

A 5-GHz Subharmonic Injection-Locked Oscillator and Self-Oscillating Mixer. - Fotis Plessas; Andreas Papalambrou; Grigorios Kalivas (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

Subharmonic injection-locking and self-oscillating mixing. - Fotis Plessas; Andreas Papalambrou; Grigorios Kalivas (Int. J. Circuit Theory Appl., 2009)

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

A dynamic DFI-compatible strobe qualification system for Double Data Rate (DDR) physical interfaces. - Alexis Alexandropoulos; Fotis Plessas; Michael K. Birbas (ICECS, 2010)

A 2.45GHz power harvesting circuit in 90nm CMOS. - George Giannakas; Fotis Plessas; George Nassopoulos; George I. Stamoulis (ICECS, 2010)

A Novel 1.8 V, 1066 Mbps, DDR2, DFI-Compatible, Memory Interface. - Alexis Alexandropoulos; Efthimios Davrazos; Fotis Plessas; Michael K. Birbas (ISVLSI, 2010)

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

Advanced calibration techniques for high-speed source-synchronous interfaces. - Fotis Plessas; Alexis Alexandropoulos; Sotiris Koutsomitsos; Efthimios Davrazos; Michael K. Birbas (IET Comput. Digit. Tech., 2011)

A study of superharmonic injection locking in multiband frequency dividers. - Fotis Plessas (Int. J. Circuit Theory Appl., 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 1 GHz, DDR2/3 SSTL driver with On-Die Termination, strength calibration, and slew rate control. - Fotis Plessas; Efthimios Davrazos; Alexis Alexandropoulos; Michael K. Birbas; John C. Kikidis (Comput. Electr. Eng., 2012)

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)