Zobrazeno 1 - 10
of 23
pro vyhledávání: '"N.J. Kolias"'
Autor:
N.J. Kolias
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 45:1204-1207
A quasi-optical amplifier array designed for Ku-band operation is presented. Orthogonal monopole-probe antennas are used to couple the power into, and out from, an array of microstrip-based amplifiers. The array has a gain of 5.4 dB at 16.4 GHz using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cda2597bdea29e2a4376e9f27a6316f
https://doi.org/10.1109/22.618408
https://doi.org/10.1109/22.618408
Autor:
Richard C. Compton, N.J. Kolias
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 44:963-966
Much of the active array work reported to date has been directed toward the demonstration of prototypes at low-power levels. Analysis results presented here show that overheating failures will occur as these arrays are scaled to reasonable output pow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5de4698b824abf9f480622cb7d73b69
https://doi.org/10.1109/22.506637
https://doi.org/10.1109/22.506637
Publikováno v:
IEEE Microwave and Guided Wave Letters. 6:138-140
Infinite periodic grid structures excited by normally incident beams are analyzed using finite-difference time-domain (FDTD), with Berenger's PML (perfectly matched layer) absorbing boundary condition used to terminate the computation domain along th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c506be10387bef454ad66ad0c89f69a
https://doi.org/10.1109/75.481092
https://doi.org/10.1109/75.481092
Publikováno v:
GaAs IC Symposium IEEE Gallium Arsenide Integrated Circuit Symposium. 18th Annual Technical Digest 1996.
Millimeter-wave radios are becoming an increasingly competitive alternative to traditional twisted-pair, cable, and fiber technologies. New spectrum bands are being allocated to allow for the commercial development of local, cellular-like communicati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0355769c8c7e9f73b6a49ba7fbc0ea94
https://doi.org/10.1109/gaas.1996.567873
https://doi.org/10.1109/gaas.1996.567873
Publikováno v:
Proceedings IEEE/Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits.
We have fabricated for the first time cantilevered, tunable, out of the plane transmission lines and demonstrated the active change of impedance levels using banks of finger capacitors as motors. The tunable lines are fabricated in a coplanar wavegui
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b8ec1a97e2f789a6ad4353ccd8b4708
https://doi.org/10.1109/cornel.1995.482436
https://doi.org/10.1109/cornel.1995.482436
Autor:
Richard C. Compton, N.J. Kolias
Publikováno v:
Proceedings of 1995 IEEE MTT-S International Microwave Symposium.
A low-loss quasi-optical Ka-band polarization rotator array with 18% bandwidth has been designed and tested. Each cell of the array consists of a pair of input probe antennas connected via microstrip lines to orthogonally oriented output probe antenn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8cdec4513f3b8facdd0aefab22a8ab8
https://doi.org/10.1109/mwsym.1995.405993
https://doi.org/10.1109/mwsym.1995.405993
Autor:
Richard C. Compton, N.J. Kolias
Publikováno v:
IEEE Microwave and Guided Wave Letters. 3:330-332
A microwave scale model of an amplifying element suitable for millimeter-wave quasi-optical arrays is presented. Power is guided into the amplifier by short sections of waveguide and then fed into a microstrip based MESFET amplifier with an E-field p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0722cae6e87ae6a4c590d55c890d5898
https://doi.org/10.1109/75.244869
https://doi.org/10.1109/75.244869
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