A review of GaN RF devices and power amplifiers for 5G communication applications. [PDF]
Fundam Res, 2023 In the emerging 5G and beyond 5G (B5G) era, the spotlight is sharply focused on the power amplifier, a critical component with stringent specification requirements that dictates the performance of the transmitter.
Lu H +11 more
europepmc +2 more sources
Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects
IEEE Access, 2022 Testing of power electronic converters can advantageously be carried out in power-hardware-in-the-loop (P-HIL) environments that emulate the behavior of power grids, electric motors, etc. The interface between the model and the device under test requires
Julian Böhler +6 more
semanticscholar +1 more source
A Review of Technologies and Design Techniques of Millimeter-Wave Power Amplifiers
IEEE transactions on microwave theory and techniques, 2020 This article reviews the state-of-the-art millimeter-wave (mm-wave) power amplifiers (PAs), focusing on broadband design techniques. An overview of the main solid-state technologies is provided, including Si, gallium arsenide (GaAs), GaN, and other III–V
V. Camarchia +5 more
semanticscholar +1 more source
The Doherty Power Amplifier [PDF]
, 2010 The Doherty power amplifier (DPA) is hereby presented and described starting from the basic idea up to more advanced and state-of-art results and guidelines. The DPA historical aspect is also covered, describing the timeline of its evolution. Moreover, the reasons related to why this architecture, roughly 80 years after its invention, is still on its ...
COLANTONIO, PAOLO +3 more
openaire +7 more sources
High Efficiency Power Amplifier Based on Envelope Elimination and Restoration Technique [PDF]
, 2010 Due to complex envelope and phase modulation employed in modern transmitters it is necessary to use power amplifiers that have high linearity. Linear power amplifiers (classes A, B and AB) are commonly used, but they suffer from low efficiency especially
Alou Cervera, Pedro +9 more
core +2 more sources
Industrial GaInP/GaAs Power HBT MMIC Process [PDF]
, 2000 UMS has developed an industrial power HBT process especially dedicated to power MMICs in the 10GHz frequency range. The process has been qualified and meets the very demanding specifications required for X-Band high power amplifiers.
Auxemery, P. +4 more
core +1 more source
Theory Based on Device Current Clipping to Explain and Predict Performance Including Distortion of Power Amplifiers for Wireless Communication Systems [PDF]
, 2008 Power amplifiers are critical components in wireless communication systems that need to have high efficiency, in order to conserve battery life and minimise heat generation, and at the same time low distortion, in order to prevent increase of bit ...
Tian, Yunjia, Tian, Yunjia
core +1 more source
Digital Predistortion in Large-Array Digital Beamforming Transmitters [PDF]
, 2018 In this article, we propose a novel digital predistortion (DPD) solution that allows to considerably reduce the complexity resulting from linearizing a set of power amplifiers (PAs) in single-user large-scale digital beamforming transmitters. In contrast
Abdelaziz, Mahmoud +3 more
core +2 more sources
Mobile Phone Power Amplifier Linearity and Efficiency Enhancement Using Digital Predistortion [PDF]
, 2003 The new generation mobile communication systems using spectrum efficient linear modulation schemes (QPSK,8PSK,QAM)need linear power amplifiers in the transmission path to have good ACPR and EVM values.
Ceylan, N. +3 more
core +1 more source
A Doubly Orthogonal Matching Pursuit Algorithm for Sparse Predistortion of Power Amplifiers
IEEE Microwave and Wireless Components Letters, 2018 This letter presents a new method for the digital predistortion (DPD) of power amplifiers (PAs) based on sparse behavioral models. The Gram–Schmidt orthogonalization is synergistically integrated into the orthogonal matching pursuit algorithm to ...
Juan A. Becerra +5 more
semanticscholar +1 more source