Design Method of Constant Phase-Shifter Microwave Passive Integrated Circuit in 130-nm BiCMOS Technology With Bandpass-Type Negative Group Delay. - Blaise Ravelo; Mathieu Guerin; Jaroslav Frnda; Frank Elliot Sahoa; Glauco Fontgalland; Hugerles S. Silva; Samuel Ngoho; Fayrouz Haddad; Wenceslas Rahajandraibe (IEEE Access, 2022)

Investigation on four-port mono-capacitor circuit with high-pass negative group delay behavior. - Sofia Fenni; Fayrouz Haddad; Antonio Jaomiary; Samar S. Yazdani; Frank Elliot Sahoa; Lucius Ramifidisoa; Mathieu Guerin; Wenceslas Rahajandraibe; Blaise Ravelo (Int. J. Circuit Theory Appl., 2022)