This article reviews trends, architectures, and recent developments in CMOS-based supply
modulators (SM) used for envelope-tracking power amplifiers (ET-PAs). This review details …

Total bandwidth of existing wireless communication technologies covers a wide frequency
range of over one octave. But most existing power amplifier configurations cannot meet this …

Post-matching network (PMN) dominates broadband Doherty power amplifier (DPA) design,
but at the cost of large footprint. This brief presents a PMN-free, compact and broadband …

This paper presents a broadband mixed-signal CMOS power amplifier (PA) with a hybrid
Class-G Doherty architecture for PA efficiency enhancement up to the deep power back-off …

This paper presents a single-stage tri-path buck converter with reduced inductor current and
self-balanced flying capacitor voltage. The proposed converter introduces capacitor paths to …

A CMOS power amplifier integrated circuit with an optimized dual-mode supply modulator is
presented. The dual-mode supply modulator, based on a hybrid buck converter consisting of …

This work presents a load modulated balanced amplifier (LMBA) that directly amplifies a
modulated RF input. The architecture is based on the recently proposed LMBA technique, in …

A wideband hybrid Envelope tracking (ET) modulator utilizing a hysteretic-controlled three-
level switching converter (3L-SWC) and a slew-rate enhanced linear amplifier (LA) are …

A linear-switch mode hybrid envelope tracking (ET) supply modulator utilizing adaptive
biasing and gain enhanced current mirror operational transconductance amplifier (OTA) with …

This work describes the use of an anti-phase method to enhance the linearity of a quad-
band CMOS linear power amplifier for EDGE applications. The anti-phase method is applied …