Sigma delta A/D converter architecture using a current controlled oscillator. - Nizar Khitouni; Sonia Boujelben; Mohamed Masmoudi (ICECS, 2005)

A Novel design of high precision and adjustable current source used for Operational Transconductance Amplifier in 0.35µm AMS technology. - Rad Wene Laajimi; Nizar Khitouni (SSD, 2013)

System level design of third order Continuous-Time Sigma-Delta Modulator. - Soumaya Azzouni; Nizar Khitouni; Med Salim Bouhlel (SSD, 2020)