High frequency and high efficiency operation is one of the premier interests in the signal and
energy conversion applications. The wide bandgap GaN based devices possess superior …

Wireless power transmission (WPT) is an emerging technology that is gaining increased
visibility in recent years. Efficient WPT circuits, systems and strategies can address a large …

Integration is a key step in utilizing advances in GaN technologies and enabling efficient
switched-mode power conversion at very high frequencies (VHF). This paper addresses …

Since Nathan Sokal's invention of the class-E power amplifier (PA), the vast majority of class-
E results have been reported at kilohertz and millihertz frequencies, but the concept is …

The ongoing demand for smaller and lighter power supplies is driving the motivation to
increase the switching frequencies of power converters. Drastic increases however, come …

The operation of traditional rectifiers such as half-wave and bridge rectifiers in wireless
power transfer applications may be inefficient and can reduce the amount of power that is …

This paper introduces an envelope tracking (ET) power supply for 4G cell phone base
stations using EPC eGaN® FETs. An analytical loss model is developed for design …

This paper describes a synchronous buck converter based on a GaN-on-SiC integrated
circuit, which includes a halfbridge power stage, as well as a modified active pull-up gate …

This paper presents high efficiency de-de converters based on monolithic normally-off GaN
half-bridge power stages with integrated gate drivers. A new gate driver circuitry is …

This paper presents a performance evaluation of GaN X-Band power amplifiers operating as
self-synchronous rectifiers. Two single-stage MMIC power amplifiers are characterized …