Results 31 to 40 of about 10,285 (303)

260 GHz broadband power amplifier MMIC [PDF]

open access: yes, 2022
S.232-235This paper presents a broadband H-Band (220 -325 GHz) power amplifier in a 35nm InGaAs-based metamorphic high electron mobility transistor technology.
Leuther, Arnulf   +4 more
core  

Design of S band power amplifier based on the GaN HEMT

open access: yesDianzi Jishu Yingyong, 2019
This paper uses internal matching technology and the cell structure of a single cell to design and implement a design of 3.8~4.2 GHz power amplifier. The amplifier is based on a GaN HEMT independently developed by Nanjing Electronic Device Institute.
Zhang Shuyuan, Zhong Shichang
doaj   +1 more source

Circuits and Systems for Wireless Concurrent Communication [PDF]

open access: yes, 2009
Concurrency is a special kind of analog circuit parallelism that uses a single circuit with necessary bandwidth to process multiple signals at the same time. Concurrent radios offer a higher data rate and improved system diversity.
Wang, Yu-Jiu
core   +1 more source

Ku-band 500W Amplitude-phase Coherence Pulsed MPM for Ocean Exploration [PDF]

open access: yesE3S Web of Conferences, 2021
The spatial high-resolution synthetic aperture radar (SAR) for ocean exploration puts forward higher requirement for output power and amplitude-phase consistency of the pulsed TWT amplifier.
Huang Weibo   +4 more
doaj   +1 more source

Investigation of Ways of Dynamic Range Expansion for Broadband Receiver Microwave Devices in Multi-Signal Mode

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2018
The article investigates ways to expand the dynamic range of broadband microwave receiving devices. The task is to lim-it the output signals while increasing the upper boundary of the dynamic range by the criterion of the thirdorder inter-modulation ...
S. A. Bogdanov   +3 more
doaj   +1 more source

A wideband cryogenic microwave low-noise amplifier

open access: yesBeilstein Journal of Nanotechnology, 2020
A broadband low-noise four-stage high-electron-mobility transistor amplifier was designed and characterized in a cryogen-free dilution refrigerator at the 3.8 K temperature stage. The obtained power dissipation of the amplifier is below 20 mW.
Boris I. Ivanov   +7 more
doaj   +1 more source

Broadband, Continuous-Wave, Mid-Infrared Generation Based on ASE Fiber Source

open access: yesPhotonics, 2022
The research reports broadband, continuous-wave (CW), mid-infrared generation based on an optical parametric oscillator (OPO), pumped by an amplified spontaneous emission (ASE) fiber source.
Kaifeng Wang   +5 more
doaj   +1 more source

A Broadband Doherty Power Amplifier With Hybrid Class-EFJ Mode [PDF]

open access: yes, 2021
This paper proposes a method that employs novel hybrid continuous class-EFJ power amplifiers (PAs) as carrier PA to design a broadband high-efficiency Doherty power amplifier (DPA). Bandwidth characteristic of the proposed DPA is analyzed in detail.
Cheng, Z   +4 more
core   +1 more source

A Broadband Doherty Power Amplifier for Sub-6GHz 5G Applications

open access: yesIEEE Access, 2023
This paper presents a novel and accurate procedure for designing a Doherty power amplifier (DPA) for wireless systems. The method is based on a systematic approach to designing the matching networks of both Main and Auxiliary devices, which employs an ...
Mohammad Shahmoradi   +4 more
doaj   +1 more source

Simulation of RF MEMS based matching networks and a single pole double throw switch for Multiband T/R Modules [PDF]

open access: yesAdvances in Radio Science, 2013
This work presents concepts and designs for two essential components of a frequency agile transmit and receive module based on Radio Frequency Micro Electro Mechanical System (RF MEMS) switches for the frequency range from 3.5 GHz up to 8.5 GHz.
S. A. Figur   +4 more
doaj   +1 more source

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