125 - 211 GHz low noise MMIC amplifier design for radio astronomy [PDF]
, 2019 To achieve the low noise and wide bandwidth required for millimeter wavelength astronomy applications, superconductor-insulator-superconductor (SIS) mixer based receiver systems have typically been used.
Cleary, Kieran +7 more
core +2 more sources
VHF Balanced Amplifier with Lossless Feedbacks
Доклады Белорусского государственного университета информатики и радиоэлектроники, 2022 Today’s practice of developing VHF radio systems paths widely uses MMIC as low-noise amplifiers. This approach is acceptable for radio systems operating in a relatively quiet electromagnetic environment.
I. Y. Malevich, P. V. Zayats
doaj +1 more source
W-Band GaAs HEMT MMIC Subharmonically Pumped Diode Mixers with 20 GHz IF Bandwidth [PDF]
, 2002 Two subharmonically pumped (SHP) diode mixers are designed for wideband W-band RF frequencies, fixed LO frequency operation. These mixers are fabricated on a 4-mil substrate using 0.1- µµµµm GaAs MMIC process.
Chu, Tah-Hsiung +2 more
core +1 more source
Electronic calibrator MMIC with frequency range up to 50 GHz for vector network analyzers in GaAs pHEMT technology [PDF]
ITM Web of Conferences, 2019 This paper presents design, simulation and measurements results of electronic calibrator with frequency range up to 50 GHz in GaAs pHEMT technology. MMIC was fabricated by using in-house 0,5 um pHEMT process.
Danilov Daniil +3 more
doaj +1 more source
Patient Preferences and Understanding of Genome-Wide Cell-Free DNA Screening for Foetal Chromosomal Imbalances: A Survey Study. [PDF]
Prenat DiagnABSTRACT Objective To assess parental preferences, expectations and understanding of genome‐wide cell‐free DNA screening (gwNIPT) in Australia. Method A cross‐sectional survey study utilizing an anonymous electronic questionnaire was conducted across three participating screening services in Australia between September 2023 and November 2024. Questions
Raymond Y +7 more
europepmc +2 more sources
Investigation on de-trapping mechanisms related to non-monotonic kink pattern in GaN HEMT devices
AIP Advances, 2017 This article reports an experimental approach to analyze the kink effect phenomenon which is usually observed during the GaN high electron mobility transistor (HEMT) operation.
Chandan Sharma +5 more
doaj +1 more source
Compact Asymmetrical Quasi-MMIC Doherty Power Amplifier [PDF]
Journal of Electromagnetic Engineering and Science, 2023 This paper presents a compact asymmetrical Doherty power amplifier (PA) based on a quasi-MMIC configuration for 5G sub-6 GHz applications. The proposed Doherty PA is composed of commercial GaN HEMTs and several passive components implemented on a silicon
Hong-Sun Yoon +4 more
doaj +1 more source
Global modeling approach to the design of an MMIC amplifier using Ohmic Electrode-Sharing Technology [PDF]
, 2003 An innovative technique for high--density, high-frequency integrated circuit design is proposed.The procedure exploits the potentialities of a global modeling approach,previously applied only at device level,enabling the circuit designer to explore ...
Cidronali, A. +4 more
core +1 more source
Algorithm for automated visual inspection of MMIC using a classifier based on neural networks [PDF]
ITM Web of Conferences, 2019 We present the algorithm for automated visual inspection of microwave monolithic integrated circuits (MMIC) using computer vision and artificial neural networks.
Shiryaev Boris +3 more
doaj +1 more source
Lymphadenopathy is an independent prognostic factor for patients with Waldenström macroglobulinaemia. [PDF]
Br J HaematolBritish Journal of Haematology, Volume 207, Issue 4, Page 1589-1593, October 2025.
Ntanasis-Stathopoulos I +16 more
europepmc +2 more sources