Results 111 to 120 of about 134,248 (260)

Third-order Intermodulation Reduction in Mobile Power Amplifiers by the First Stage Bias Control [PDF]

, 2012
In this paper, the third order intermodulation distortion (IMD3) of three-stage power amplifier (PA) is analyzed using the Volterra series. The analysis explains how the total IMD3 of the three-stage power amplifier can be reduced by the first-stage bias
Jung, J. H., Kwak, C. H., Lee, J. S.
core   +1 more source

A compact design for the Josephson mixer: the lumped element circuit

, 2015
We present a compact and efficient design in terms of gain, bandwidth and dynamical range for the Josephson mixer, the superconducting circuit performing three-wave mixing at microwave frequencies. In an all lumped-element based circuit with galvanically
Flurin, E., Huard, B., Mallet, F., Pillet, J. -D.   +3 more
core   +3 more sources

Multikilowatt transmitter study for space communications satellites. Volume 1 - Summary report, phase 1 [PDF]

High power transmitters with potential applicability to satellite television ...

core   +1 more source

5 Watt GaN HEMT Power Amplifier for LTE [PDF]

, 2014
This work presents the design and implementation of a stand-alone linear power amplifier at 2.4 GHz with high output power. A GaN HEMT transistor is selected for the design and implementation of the power amplifier.
Collado, A., Georgiadis, A., Niotaki, K., Vardakas, J.   +3 more
core  

Broadband Magnetometry and Temperature Sensing with a Light Trapping Diamond Waveguide

, 2014
Solid-state quantum sensors are attracting wide interest because of their exceptional sensitivity at room temperature. In particular, the spin properties of individual nitrogen vacancy (NV) color centers in diamond make it an outstanding nanoscale sensor
Braje, Danielle, Clevenson, Hannah, Englund, Dirk, Schroder, Tim, Teale, Carson, Trusheim, Matthew E.   +5 more
core   +1 more source

Linear Doherty power amplifier design based on adaptive input signal power control

Engineering Science and Technology, an International Journal
In modern wireless communication systems, the trade-off between efficiency and linearity in Doherty power amplifiers (DPAs) remains a critical challenge.
Zhiqing Liu, Ye Zhong, Zhijiang Dai
doaj   +1 more source

Historical Aspect of Load-Modulated Balanced Amplifiers

IEEE Access
This paper provides a comprehensive overview of the challenges and considerations associated with the design, implementation, and optimization of Load Modulated Balanced Amplifiers (LMBAs).
Akram Sheikhi
doaj   +1 more source

Performance Enhancement of Dual-Input Frequency-Periodic Load Modulated Power Amplifier at 1–5.7-GHz Bandwidth With Co-Designed Biasing Network

IEEE Access
This study proposes a novel dual input power amplifier (PA) with a frequency-periodic load modulated output matching network supported by a broadband biasing network.
Takuma Torii, Yuji Komatsuzaki, Shintaro Shinjo, Ryo Ishikawa   +3 more
doaj   +1 more source

Design of Power Combining Amplifiers for Mobile Communications [PDF]

This work explores the application of various power amplifier design techniques for mobile communications. Several circuit configurations including class A amplifier, Doherty amplifier and power combining amplifier have been developed, which are to ...
Zhao, Jinshu
core   +1 more source

Design of a Broadband Continuous-Mode Doherty Power Amplifier Using a High-Order Filter Integrated Matching Network

Applied Sciences
To meet the demand for high efficiency in modern broadband communication systems, this paper presents a novel continuous-mode Doherty power amplifier design method based on integrated high-order filter prototypes.
Peng Tao, Hui Lv, Benyuan Chen
doaj   +1 more source