ET comes of age: Envelope tracking for higher-efficiency power amplifiers

P Asbeck, Z Popovic - IEEE Microwave Magazine, 2016 - ieeexplore.ieee.org
Envelope tracking (ET) is by now a well-established technique that improves the efficiency of
microwave power amplifiers (PAs) compared to what can be obtained with conventional …

Power amplifiers and transmitters for RF and microwave

FH Raab, P Asbeck, S Cripps… - IEEE transactions on …, 2002 - ieeexplore.ieee.org
The generation of RF/microwave power is required not only in wireless communications, but
also in applications such as jamming, imaging, RF heating, and miniature dc/dc converters …

[PDF][PDF] RF and microwave power amplifier and transmitter technologies-Part 1

FH Raab, P Asbeck, S Cripps… - high frequency …, 2003 - picture.iczhiku.com
The generation of significant power at RF and microwave frequencies is required not only in
wireless communications, but also in applications such as jamming, imaging, RF heating …

Design of wide-bandwidth envelope-tracking power amplifiers for OFDM applications

F Wang, AH Yang, DF Kimball… - … on Microwave theory …, 2005 - ieeexplore.ieee.org
An efficiency-enhanced power-amplifier system design is presented based on wide-
bandwidth envelope tracking (WBET) with application to orthogonal frequency-division …

[图书][B] RF and microwave power amplifier design

A Grebennikov - 2005 - researchgate.net
The main objective of this book is to present all the relevant information required for RF and
micro-wave power amplifier design including well-known and novel theoretical approaches …

An improved power-added efficiency 19-dBm hybrid envelope elimination and restoration power amplifier for 802.11 g WLAN applications

F Wang, DF Kimball, JD Popp, AH Yang… - IEEE Transactions …, 2006 - ieeexplore.ieee.org
A comparison of envelope elimination and restoration (EER) and envelope tracking (ET) is
discussed and a" hybrid" wideband EER power amplifier (PA) for the WLAN 802.11 g system …

A monolithic high-efficiency 2.4-GHz 20-dBm SiGe BiCMOS envelope-tracking OFDM power amplifier

F Wang, DF Kimball, DY Lie… - IEEE Journal of Solid …, 2007 - ieeexplore.ieee.org
A monolithic SiGe BiCMOS envelope-tracking power amplifier (PA) is demonstrated for
802.11 g OFDM applications at 2.4 GHz. The 4-mm 2 die includes a high-efficiency high …

Analysis and design of a high-efficiency multistage Doherty power amplifier for wireless communications

N Srirattana, A Raghavan, D Heo… - IEEE Transactions …, 2005 - ieeexplore.ieee.org
A comprehensive analysis of a multistage Doherty amplifier, which can be used to achieve
higher efficiency at a lower output power level compared to the classical Doherty amplifier, is …

Amping up the PA for 5G: Efficient GaN power amplifiers with dynamic supplies

Z Popovic - IEEE Microwave Magazine, 2017 - ieeexplore.ieee.org
Signals designed for high-capacity communications result in high peak-to-average ratio
(PAR) waveforms that the transmitter power amplifier (PA) must amplify with low distortion …

Multilevel power supply for high-efficiency RF amplifiers

M Vasic, O Garcia, JA Oliver, P Alou… - … on Power Electronics, 2009 - ieeexplore.ieee.org
In communication systems, linear power amplifiers (PAs)(class A, B, or AB) are usually used
as a solution for the PA stage. These amplifiers have high linearity, but suffer from low …