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

机译:基于MEMS开关的4位开关线路移相器

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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:本文提出了一种基于金属接触式SPDT RF MEMS开关的4位开关式移相器。相移模块是在20密耳RO4350基板上制造的,并将其驱动器模块安装在铝制平台上。该电可调相移器适合代替基站中使用的机械移相器。测量表明,在2.7GHz频率下,最大相移为75度,步进为5度,最大插入损耗为0.89dB,最小回波损耗为13.4dB。在2.7 GHz时,相位精度在2度以内。

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