A MEMS reconfigurable matching network for a class AB amplifier

This letter presents the design of a reconfigurable amplifier with an adaptive matching network implemented by shunt MEMS switches. In particular, the MEMS switches are used as capacitive stubs in double-stub matching circuit designs. The effective capacitance of the switches can be varied by switch...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2003-10, Vol.13 (10), p.437-439
Hauptverfasser:	Yumin Lu, Peroulis, D., Mohammadi, S., Katehi, L.P.B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation Adaptive systems Amplifiers Applied sciences Capacitance Circuit design Circuit properties Circuit synthesis Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Frequency Impedance matching Matching Micro- and nanoelectromechanical devices (mems/nems) Micromechanical devices Microswitches Microwaves Networks Plastic packaging Radiofrequency amplifiers Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Switches Switching theory Switching, multiplexing, switched capacity circuits
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Beschreibung
Zusammenfassung:	This letter presents the design of a reconfigurable amplifier with an adaptive matching network implemented by shunt MEMS switches. In particular, the MEMS switches are used as capacitive stubs in double-stub matching circuit designs. The effective capacitance of the switches can be varied by switch activation which results in a change of the matching configuration. The RF response of the adaptive matching network is studied and the power performance of the amplifier is presented.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2003.818523