Controller 106 H ated with the communication device, and a matching network having at
least one second tunable element coupled at a feed point of the antenna, wherein the …

US8626083B2 - Method and apparatus for tuning a communication device - Google Patents
US8626083B2 - Method and apparatus for tuning a communication device - Google Patents …

US8620236B2 - Techniques for improved adaptive impedance matching - Google Patents
US8620236B2 - Techniques for improved adaptive impedance matching - Google Patents …

The present disclosure may include, for example, a tunable capacitor having a decoder for
generating a plurality of control signals, and an array of tunable switched capacitors …

(51) Int. Cl A sy hat incorp hings of the p discl HO3H 7/38(2006.01) may include, for
example, an adaptive impedance matching GOIR 27/00(2006.01) network having an RF …

HO3H 7/38(2006.01) may include, for example, an apparatus having an RF match GOIR
27/00(2006.01) ing network including one or more variable reactive elements,(52) US Cl …

US8712340B2 - Method and apparatus for radio antenna frequency tuning - Google Patents
US8712340B2 - Method and apparatus for radio antenna frequency tuning - Google Patents …

(57) ABSTRACT A system that incorporates teachings of the present disclosure may include,
for example, a matching network for a commu nication device having first and second …

A system that incorporates teachings of the present disclosure may include, for example, a
matching network including a tunable reactance circuit configured to be coupled to at least …

(65) Prior Publication Data(57) ABSTRACT US 2011 FOO63O42 A1 Mar 17, 2011 An
embodiment of the present invention provides an appara Related US Application Data tus …