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Planar Radiating Oscillator Using Butterfly-Shaped Patch Element and Spatial Power-Combining Array

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Abstract

A planar radiating oscillator using a butterfly-shaped patch element is described. To obtain an injection-locking range that can be changed and low cross-polarization, we used a butterfly-shaped patch. The patch element was able to change the injection-locking range while maintaining low cross-polarization, and two types of patch were compared. As one application, we designed and fabricated 1x2, 2x1 and 2x2 spatial power-combining arrays by using radiative mutual coupling. The 2x2 array was successfully operated with a single-bias supply without using a 3-D (three-dimensional) Fabry-Perot cavity. An equivalent isotropic radiated power of 2.5 W was measured at X-band.

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Authors and Affiliations

  1. University of Electro-Communications, 1-5-1, Choufugaoka, Choufu-shi, Tokyo, 182-8585, Japan

    Masami Murata & Akiko Kishi

  2. Communications Research Laboratory, Ministry of Posts and Telecommunications, 4-2-1 Nukui-Kitamachi, Koganei-shi, Tokyo, 184-8795, Japan

    Masami Murata, Akiko Kishi, Shingo Ohmori & Toshiaki Matsui

Authors
  1. Masami Murata
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  2. Akiko Kishi
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  3. Shingo Ohmori
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  4. Toshiaki Matsui
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Murata, M., Kishi, A., Ohmori, S. et al. Planar Radiating Oscillator Using Butterfly-Shaped Patch Element and Spatial Power-Combining Array. International Journal of Infrared and Millimeter Waves 21, 1529–1540 (2000). https://doi.org/10.1023/A:1026473427815

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  • DOI: https://doi.org/10.1023/A:1026473427815

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