Results 11 to 20 of about 21,355 (312)

C-Band 30 W High PAE Power Amplifier MMIC with Second Harmonic Suppression for Radar Network Application

open access: yesMicromachines, 2022
In order to meet the application requirements of radar networks for high efficiency and high second harmonic suppression (SHS) of power amplifiers, this paper proposes a C-band 30 W power amplifier (PA) microwave monolithic integrated circuit (MMIC ...
Fan Yang, Leijun Song, Yuehang Xu
doaj   +1 more source

An approach to harmonic load- and source-pull measurements for high-efficiency PA design [PDF]

open access: yes, 2004
High-efficiency power-amplifier design requires numerous efforts to investigate both input and output harmonic terminations effects. A simplified theoretical approach to clarify the relevance of such terminations is presented here, and design criteria to
Ernesto Limiti   +18 more
core   +1 more source

Class E Power Amplifier Design and Optimization for the Capacitive Coupled Wireless Power Transfer System in Biomedical Implants

open access: yesEnergies, 2017
The capacitive coupled wireless power transfer (CCWPT) operating at megahertz (MHz) frequency is broadly considered as the promising solution for low power biomedical implants.
Narayanamoorthi R.   +4 more
doaj   +1 more source

160 GHz D-Band Low-Noise Amplifier and Power Amplifier for Radar-Based Contactless Vital-Signs-Monitoring Systems

open access: yesMicromachines, 2023
This paper presents a 160 GHz, D-band, low-noise amplifier (LNA) and a D-band power amplifier (PA) implemented in the Global Foundries 22 nm CMOS FDSOI. The two designs are used for the contactless monitoring of vital signs in the D-band.
Ademola Akeem Mustapha, Mihai Sanduleanu
doaj   +1 more source

A High Efficiency RF Power Amplifier Using Linearity-Enhanced Method in 40nm Standard CMOS Process

open access: yesMATEC Web of Conferences, 2017
A two-stage RF CMOS power amplifier with high linearity for WLAN is presented in this paper.The proposed PA consists of a programmable gain amplifier and a high power stage which is composed of a main amplifier with class AB bias and an auxiliary ...
Cheng Wang, Mo Ting-Ting
doaj   +1 more source

A Wideband Multilevel Reconfigurable Class E/F23 Power Amplifier With a Band-Selecting Tracking Reactance Compensation Automatic Calibration Algorithm

open access: yesIEEE Access, 2022
This paper presents a wide-band multi-level switched mode class-E/F23 Power Amplifier (PA) with a reconfigurable power stage core transistor and a load with reconfigurable reactance compensation part.
Reza E. Rad   +12 more
doaj   +1 more source

A wideband 0.9–2.4 GHz 25 W high‐efficiency Gallium Nitride radio frequency power amplifier

open access: yesEngineering Reports, 2021
In this work, a 0.9–2.4 GHz, 25 W output power, radio frequency (RF) power amplifier based on Class‐E switchmode topology has been analyzed. A load‐pull simulation method is used to optimize the power performance in the operating band.
Tanghid B. Rashid, Heather Song
doaj   +1 more source

: Linearity Enhanced High Efficiency Power Amplifier

open access: yes, 2022
This paper presents a new class of power amplifier (PA) - Class-iF- 1 - resolving the highly nonlinear double inflection characteristics in the conventional Class-F- 1 PA.
Zhu, Anding   +7 more
core   +2 more sources

Investigation of power amplifier performance under load mismatch conditions [PDF]

open access: yes, 2021
The time-varying loading conditions that power amplifiers (PAs) experience in active antenna systems degrade their overall performance. Consequently, the design of linear and highly-efficient PAs under mismatch is more important than ever. In this paper,
Fager, Christian   +8 more
core   +1 more source

A Stable and Fast-Transient Performance Switched-Mode Power Amplifier for a Power Hardware in the Loop (PHIL) System

open access: yesEnergies, 2017
Power Hardware in the Loop (PHIL) systems are used to test a power system with the help of combined software and hardware. Generally, to construct a PHIL system, a switched-mode power amplifier that has a stable performance is used, because of their ...
Jianjun Sun   +5 more
doaj   +1 more source

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