Results 111 to 120 of about 17,794 (219)

C/Ka Concurrent Dual-Band GaN MMIC Based on Shorted Quarter-Wavelength Line Topology

open access: yesIEEE Journal of Microwaves
This paper presents a novel design method for a dual-band power amplifier (PA) with widely-spaced frequency bands, suitable for concurrent sub-6 GHz and millimeter-wave 5G band operation.
Adam T Der, Taylor Wallis Barton
doaj   +1 more source

Integrated Transversal Equalizers in High-Speed Fiber-Optic Systems [PDF]

open access: yes, 2003
Intersymbol interference (ISI) caused by intermodal dispersion in multimode fibers is the major limiting factor in the achievable data rate or transmission distance in high-speed multimode fiber-optic links for local area networks applications.
Gowda, Sudhir   +6 more
core  

An assessment of technology alternatives for telecommunications and information management for the space exploration initiative [PDF]

open access: yes
On the 20th anniversary of the Apollo 11 lunar landing, President Bush set forth ambitious goals for expanding human presence in the solar system. The Space Exploration Initiative (SEI) addresses these goals beginning with Space Station Freedom, followed
Ponchak, Denise S., Zuzek, John E.
core   +1 more source

Stability, Mounting, and Measurement Considerations for High-Power GaN MMIC Amplifiers. [PDF]

open access: yesSensors (Basel), 2023
González-Posadas V   +4 more
europepmc   +1 more source

A 32-GHz phased array transmit feed for spacecraft telecommunications [PDF]

open access: yes
A 21-element phased array transmit feed was demonstrated as part of an effort to develop and evaluate state-of-the-art transmitter and receiver components at 32 and 34 GHz for future deep-space missions.
Crist, R. A.   +5 more
core   +1 more source

Characterization of MMIC devices for active array antennas [PDF]

open access: yes
Certain aspects of monolithic microwave integrated circuit (MMIC) interconnectivity were investigated. Considerations that lead to preserving the inherently reproducible characteristics of the MMIC are proposed. It is shown that at radio frequencies (RF)
Farr, E., Mittra, R., Smetana, J.
core   +1 more source

Technology achievements and projections for communication satellites of the future [PDF]

open access: yes
Multibeam systems of the future using monolithic microwave integrated circuits to provide phase control and power gain are contrasted with discrete microwave power amplifiers from 10 to 75 W and their associated waveguide feeds, phase shifters and power ...
Bagwell, J. W.
core   +1 more source

A design concept for an MMIC microstrip phased array [PDF]

open access: yes
A conceptual design for a microstrip phased array with monolithic microwave integrated circuit (MMIC) amplitude and phase controls is described. The MMIC devices used are 20 GHz variable power amplifiers and variable phase shifters recently developed by ...
Acosta, R., Lee, R. Q., Smetana, J.
core   +1 more source

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