The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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The Characteristics of MMIC Phase Shifter with Lange Coupler

Lange 커플러를 이용한 MMIC 위상변위기 특성

  • Published : 2003.02.01
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Abstract

This paper proposed a simple 180$^{\circ}$ MMIC phase shifter for wideband application. The phase shifter simply consists of a Lange coupler and two GaAs PIN diodes. The measured performance of the phase shifter in the 2 to 6 GHz band shows a maximum phase error of less than 13$^{\circ}$, maximum 3.2 dB insertion loss, and minimum 6.3 dB return loss.

광대역에서 동작되는 간단한 180$^{\circ}$ MMIC 위상변위기를 제안하였다. 제안된 회로는 1개의 Lange 커플러와 2개의 PIN 다이오드만으로 구성되어 있다. 2-6 GHz 대역에서 측정된 위상변위기는 최대 위상오차가 13$^{\circ}$이며 3.2 dB의 최대 삽입손실과 6.3 dB의 최소 반사손실을 보였다.

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References

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