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- Title
Compact Sequential Feeding Network Using Two-Double-Sided Couplers with Quadruple Output Ports.
- Authors
Wu, Yongle; Qu, Meijun; Li, Mingxing; Zhang, Bo; Liu, Yuanan
- Abstract
A compact broadband sequential feeding network designed for a wideband circular antenna is simulated and fabricated, where the 50-Ω input is equally divided into four 50-Ω outputs with equal amplitude and 90° successive shifts. This series-type feed network just composes of two double-sided couplers which have been further reduced to a great degree by meandering the microstrips. The measured 10-dB impedance bandwidth is 39% from 1.71 to 2.54 GHz, and the phase difference between two arbitrary adjacent ports is 90° ± 4.7° over the 1.75-2.35 GHz range. Note that the measurements agree reasonably well with the simulations.
- Subjects
BROADBAND communication systems; OPTICAL couplers; WAVEGUIDE couplers; MICROSTRIP couplers; QUADRUPLE systems (Combinatorics)
- Publication
Plasmonics, 2018, Vol 13, Issue 1, p293
- ISSN
1557-1955
- Publication type
Article
- DOI
10.1007/s11468-017-0513-5