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The Characteristics of MMIC Phase Shifter with Lange Coupler  

정명득 (국방과학연구소)
박동철 (충남대학교 전파공학과)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.14, no.2, 2003 , pp. 104-110 More about this Journal
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.
Keywords
$\180^{\circ}$; Wideband; MMIC; Phase Shifter; Reflection Type;
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