Results 11 to 20 of about 5,748,011 (307)
Review of Efficiency CMOS Class AB Power Amplifier Topology in Gigahertz Frequencies [PDF]
ASM Science Journal, 2022 This paper reviewed the efficiency of CMOS class AB power amplifier topology especially in gigahertz frequencies. CMOS class AB power amplifier is a compromise between class A and class B in terms of linearity and efficiency between 50% to 78.5%. However,
Rohana Sapawi
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: Linearity Enhanced High Efficiency Power Amplifier [PDF]
, 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 +1 more source
Circulator Load Modulated Amplifier: A Non-Reciprocal Wideband and Efficient PA Architecture [PDF]
, 2021 A novel power amplifier (PA) architecure, the Circulator Load Modulated Amplifier (CLMA), is presented and demonstrated. Based on a 3-port non-reciprocal combiner, the CLMA is able to modulate the load of a class-B amplifier by means of controlling the ...
Fager, Christian +5 more
core +1 more source
Efficient Baseband Digital Predistorter Using Lut for Power Amplifier (PA) with Memory Effect [PDF]
American Journal of Electrical and Electronic Engineering, 2014 Modern communications systems will have to integrate multiple radio technologies to support a large number of wireless standards (WLAN, WPAN…). This system should operate with third generation (3G) air interface standards, where non constant envelope modulation formats (MQAM, OFDM…) are required.
B. Feuvrie, M. Diop, Y. Wang
openaire +1 more source
Micromachines, 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
An approach to harmonic load- and source-pull measurements for high-efficiency PA design [PDF]
, 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
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A High Efficiency RF Power Amplifier Using Linearity-Enhanced Method in 40nm Standard CMOS Process
MATEC 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
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IEEE 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
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A wideband 0.9–2.4 GHz 25 W high‐efficiency Gallium Nitride radio frequency power amplifier
Engineering 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
Energies, 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
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