Results 51 to 60 of about 223 (167)

The Design and Thermal Reliability Analysis of a High-Efficiency K-Band MMIC Medium-Power Amplifier with Multiharmonic Matching

open access: yesActive and Passive Electronic Components, 2016
A new high-efficiency K-band MMIC medium-power amplifier (PA) is designed with multiharmonic matching using GaAs pHEMT process technology. It has an operation frequency centered at 26 GHz with a bandwidth of 2 GHz.
Y. Shang   +9 more
doaj   +1 more source

An Ultra-Compact On-Chip Reconfigurable Bandpass Filter With Semi-Lumped Topology by Using GaAs pHEMT Technology

open access: yesIEEE Access, 2020
A semi-lumped reconfigurable on-chip bandpass filter with GaAs pHEMT technology is presented in this paper. Three order tunable bandpass filter is designed with serial lumped capacitors, parallel resonators, and reconfigurable components.
Hao-Ran Zhu   +3 more
doaj   +1 more source

A K‐Band 4‐Channel Hybrid‐Packaged Phased‐Array Receiver With 1.6‐dB NF and 60‐dB Transmit Rejection

open access: yesElectronics Letters, Volume 61, Issue 1, January/December 2025.
The design utilizes WLCSP technology to integrate four GaAs LNAs and a 4‐channel CMOS beamformer into a single package for K/Ka‐band SATCOM. The GaAs IC features a 2‐stage self‐biased LNA and a 5th‐order band‐stop filter, achieving a low cascaded NF and high TX rejection.
Bai Song, Yong Fan
wiley   +1 more source

Ka-band GaAs pHEMT Wideband Power Amplifier MMICs

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника
Introduction. Ka-band power amplifier MMICs are essential components of many electronic systems. Their application area covers radar, 5G communication, and test equipment.
Alexander S. Efimov   +4 more
doaj   +1 more source

Miniature Multi-Band Absorptive Bandstop Filter Designs Using Bridged-T Coils

open access: yesIEEE Access, 2018
In this paper, miniature absorptive bandstop filters (ABSFs) with one to three stopbands are demonstrated. First, the proposed single-band ABSF is realized by the introduction of one lossy resonator to a conventional stub bandstop filter, while the ...
En-Wei Chang, Yo-Shen Lin
doaj   +1 more source

A new method to evaluate reliability in GaAs PHEMT's

open access: yesActa Physica Sinica, 2003
This paper analyzes the degradation in GaAs pseudomorphic high electron mobitity transistors (PHEMT's) by measuring the electric characteristics in GaAs PHEMT's before and after stress. The relation between impact ionization rate and maximu m channel electric field is gained.
null Liu Hong-Xia   +4 more
openaire   +1 more source

A 76–81 GHz GaAs pHEMT Transceiver Front‐End MMIC for FMCW Radar System

open access: yesElectronics Letters, Volume 61, Issue 1, January/December 2025.
A 76–81 GHz transceiver front‐end monolithic microwave integrated circuit for W‐band frequency modulated continuous wave radar front‐end miniaturization is fabricated via 0.1 µm GaAs pHEMT technology, integrating mixer, directional coupler, filter and other modules.
Chunyu Pu, Xiaofeng Yang
wiley   +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

Dual-Band Power Amplifier Design at 28/38 GHz for 5G New Radio Applications

open access: yesIEEE Access, 2022
This paper presents the design of a dual-band power amplifier (PA) featuring similar performance at 28 GHz and 38 GHz. In the new radio (NR) of the fifth generation (5G) communication system, the inter-band carrier aggregation technique is commonly ...
Yi-Fan Tsao   +3 more
doaj   +1 more source

Active quasi circulator: Comprehensive review and performance comparison

open access: yesEngineering Reports, Volume 6, Issue 6, June 2024.
To cope up with the increased data transmission rate due to the modern multiband wireless communication systems, the three‐port circulator must be equipped with the ability to operate in different frequency levels while having adequate bandwidth. Thus, designing circulator as an antenna interface device becomes a challenging, particularly active‐quasi ...
Mehedi Hasan   +2 more
wiley   +1 more source

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