Voltage-controlled M-M relaxation oscillator. - Haneen G. Hezayyin; Gehad M. Ahmed; Mohamed E. Fouda; Ahmed H. Madian; Ahmed Gomaa Radwan (MWSCAS, 2016)

A generalized family of memristor-based voltage controlled relaxation oscillator. - Haneen G. Hezayyin; Gehad M. Ahmed; Mohammed E. Fouda; Lobna A. Said; Ahmed H. Madian; Ahmed G. Radwan (Int. J. Circuit Theory Appl., 2018)

Fractional-Order Oscillators Based on Double Op-Amp. - Gehad M. Ahmed; Lobna A. Said; Ahmed H. Madian; Ahmed G. Radwan (ACTEA, 2019)