Results 41 to 50 of about 2,069 (221)

Design and optimisation of high‐efficient class‐F ULP‐PA using envelope tracking supply bias control for long‐range low power wireless local area network IEEE 802.11ah standard using 65 nm CMOS technology

open access: yesIET Circuits, Devices &Systems, Volume 16, Issue 7, Page 553-568, October 2022., 2022
Abstract This article presents the design and optimisation of a sub‐1 GHz class‐F ultra‐low power (ULP) power amplifier (PA) in 65 nm Complementary Metal Oxide Semiconductor (CMOS) technology. An envelope tracking (ET) supply biasing technique is adopted to improve the efficiency of class‐F PA.
Muhammad Ovais Akhter   +2 more
wiley   +1 more source

The design of a DC-30 GHz GaAs pHEMT distributed power amplifier

open access: yesDianzi Jishu Yingyong, 2018
This paper describes a distributed power amplifier(DA) which was developed using 0.25 μm GaAs pHEMT process. The process of its circuit design and optimization is presented in details. Gain flatness in the low frequency range of this DA has a significant
Liu Yanpeng, Wei Qidi, Zhang Guohao
doaj   +1 more source

EMISSION PROCESSES OF QUANTUM WELL INTERACTION WITH DELTA-LAYER IN pHEMT-HETEROSTRUCTURES

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2018
The paper provides experimental and theoretical study of pHEMT heterostructures with quantum well (QW) AlGaAs/InGaAs/GaAs and delta-doped layer used as active layers for fabrication of 4-18 GHz transistors.
Yana V. Ivanova   +2 more
doaj   +1 more source

Development of a New pHEMT-Based Electrostatic Discharge Protection Structure

open access: yes, 2011
Electrostatic discharge (ESD) protection structures in the GaAs technology are commonly constructed using enhancement-mode single-gate (SG) pseudomorphic high-electron mobility transistor (pHEMT) devices.
Juin J. Liou   +7 more
core   +2 more sources

High Conversion Gain Self-Oscillating Mixer for 5G mm-wave Applications

open access: yesASM Science Journal, 2022
We develop in this paper, a high conversion gain self-oscillating mixer (SOM) for 5G mm-wave applications using commercial 0.15µm GaAs PHEMT from UMS foundry.
Abdelhafid ES-SAQY   +6 more
doaj   +1 more source

Performance Improvement of Microwave Vector Modulator Through Coupler Characteristic Impedance Optimization and Bond-Wire Inductance Utilization

open access: yesIEEE Access, 2019
An improved technique for the design of an unbalanced analog reflection-type on-chip vector modulator is presented. At microwave frequencies, voltage-controlled high-electron-mobility transistor (HEMT) like pseudomorphic HEMT (pHEMT) is often chosen as ...
Chen Chen   +5 more
doaj   +1 more source

6–18 GHz GaAs pHEMT Broadband Power Amplifier Based on Dual-Frequency Selective Impedance Matching Technique

open access: yesIEEE Access, 2019
This paper presents a broadband gallium-arsenide pseudomorphic high-electron-mobilitytransistor (GaAs pHEMT) power amplifier integrated circuit (PAIC) based on a dual-frequency selective impedance matching technique for warfare applications.
Hwiseob Lee   +5 more
doaj   +1 more source

The design and testing issues of radiation tolerant microwave amplifiers implemented in the domestic GaAs pHEMT 0.5 μm process [PDF]

open access: yesITM Web of Conferences, 2019
The investigation results of the possibility of manufacturing radiation tolerant microwave amplifiers implementing in domestic GaAs D-mode pHEMT 0.5 μm process are presented in this work.
Sotskov Denis   +4 more
doaj   +1 more source

RF analysis of aggressively scaled pHEMTs [PDF]

open access: yes30th European Solid-State Device Research Conference, 2000
No abstract avaliable.
Kalna, K.   +4 more
openaire   +1 more source

Enhancement/Depletion Mode InGaP/AlGaAs PHEMT Process for High Efficiency Power Amplifiers [PDF]

open access: yes, 2000
An integrated enhancement/depletion mode InGaP/AlGaAs power PHEMT process is demonstrated for various single- and dual-supply high efficiency power amplifiers. This technology utilizes excellent etch selectivity and surface charge screening properties of
Tkachenko, Y.   +3 more
core   +1 more source

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