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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v71.i2.30
pages 123-135

IMPROVING OF THE BROADBANDNESS FOR THE "PURE" WAVE CONVERSION BY A CASCADE OF STRIP DIAPHRAGMS IN PLANAR WAVEGUIDE

V. V. Shcherbak
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine

RESUMO

Optimization problem is considered for cascades of periodic strip diaphragms to provide efficient energy conversion of the fundamental TE1, 0 -wave to a higher-order wave or energy exchange between TEp, 0 - and TEM, 0 -waves of the higher-order (with a flat-topped response function). The frequency range with high efficiency of such devices is considerably enlarged. This is achieved through the interaction of the TEp, 0 - and TEM, 0 -modes with minimum of their longitudinal beatings' in different resonators (1 and 1 instead of 2 and 1). For this purpose the essentially different distances between diaphragms are chosen. Also, dielectric insertions and other constructional innovations are used.


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