PRx UMTS 1900 PRx UMTS 2100 PRx UMTS PA UMTS
نویسندگان
چکیده
Digital Object Identifier 10.1109/MMM.2009.933592 R adio frequency (RF) microelectromechanical systems (MEMS) switches and varactors, developed in 1996–2002 for lowloss switching/routing circuits and X-band (8–12 GHz) to millimeter-wave (mm-wave) (30–120 GHz) phase shifters, have seen increasing applications in tunable fi lters, tunable antennas, and reconfi gurable matching networks. RF MEMS devices are well covered in [1] and [2] and consist of four different designs (Figure 1): Metal-contact switches 1) with excellent performance from dc to 100 GHz (see Radant MEMS [3]).
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