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 …

High-efficiency envelope-tracking W-CDMA base-station amplifier using GaN HFETs

DF Kimball, J Jeong, C Hsia, P Draxler… - IEEE Transactions …, 2006 - ieeexplore.ieee.org
A high-efficiency wideband code-division multiple-access (W-CDMA) base-station amplifier
is presented using high-performance GaN heterostructure field-effect transistors to achieve …

An overview of fast DC–DC converters for envelope amplifier in RF transmitters

O García, M Vasić, P Alou, JA Oliver… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Over the past few years, RF power amplifiers are taking advantage of the switched dc-dc
converters to use them in several architectures that may improve the efficiency of the …

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 1.75-GHz polar modulated CMOS RF power amplifier for GSM-EDGE

P Reynaert, MSJ Steyaert - IEEE Journal of Solid-State Circuits, 2005 - ieeexplore.ieee.org
This work presents a fully integrated linearized CMOS RF amplifier, integrated in a 0.18-/spl
mu/m CMOS process. The amplifier is implemented on a single chip, requiring no external …

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 …