전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제56권10호
  • /
  • Pages.1807-1813
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  • 2007
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

용량 조정형 능동 집적 배열 안테나의 제작과 방사 방향 주사 특성

Fabrication of the Capacitance Controlled Active Integrated Phased Array Antenna and It's Scanning Characteristics

  • 발행 : 2007.10.01
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초록

This paper deals with extending the variable natural oscillation frequency range of an active integrated FET oscillator. In this paper, we conform experimentally that the variable range of the natural oscillation frequency is expanded about three times in the oscillator controlled by the varactor diode. When the frequency difference is given to the oscillators in the two element antenna system, phase difference appeared between the oscillators. The 2-, 3-, 4-, 5-element patch antenna arrays are composed for the beam scanning experiments. All the above patch antennas show good phased array characteristics. The range of the scanning angle is about $30^{\circ}$, and the radiation power is gradually increased from $50{\mu}W\;to\;200{\mu}W$. The radiation patterns we sharpened as the number of elements is increased.

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참고문헌

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