Broadband and Efficient Envelope Amplifier for Envelope Elimination and Restoration/Envelope Tracking Higher-Efficiency Power Amplifiers. - Oleg Varlamov; Dang Canh Nguyen; Andrei Grebennikov (Sensors, 2022)

Theoretical Comparison of Different Envelope Elimination and Restoration Transmitter PWM Modulator Configurations to Expand the Possible Antenna Mismatch. - Dang Canh Nguyen; Victor N. Gromorushkin; Oleg Varlamov (Sensors, 2023)