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A 4-bit switched-line phase shifter based on MEMS switches

机译:基于MEMS开关的4位交换线移相器

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This paper presented a 4-bit switched-line phase shifter based on the metal-contact SPDT RF MEMS switches. The phase shift module was fabricated on a 20mil RO4350 substrate and mounted with its driver module on an Aluminum platform. This electrically tunable phase shifter is suitable for taking place of mechanical phase shifters used in base station. Measurements indicated a maximum phase shift of 75 degree with a step of 5 degree, a maximum insertion loss of 0.89dB and a minimum return loss of 13.4dB at 2.7GHz. The phase accuracy is within 2 degree at 2.7 GHz.
机译:本文介绍了基于金属接触SPDT RF MEMS开关的4位开关线移相器。相移模块在20mil RO4350基板上制造,并在铝平台上安装其驱动器模块。该电可调谐移相器适用于在基站中使用的机械相移器。测量指示75度的最大相移,步长5度,最大插入损耗为0.89dB,最小回报损失为13.4dB。相位精度在2.7 GHz的2度内。

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