Patent ID: 6816714
Filing Date: 2004-11-09
Classification: G01R,H01G,H01L,H01P,H03B,H03F,H03H,H03J,H03L,H04B

Abstract:
A tunable antenna interface unit comprising:a multiplexer, comprising: a ferro-electric tunable component, the component comprising a capacitor; a substrate mechanically coupled to the capacitor; a control line operably coupled to the ferro-electric component; a control source electrically coupled to the control line, the control source configured to transmit a control signal on the control line; wherein the ferro-electric component, responsive to the control signal, adjusts a resonant frequency of the multiplexer; a power amplifier mechanically coupled to the substrate, the power amplifier comprising a transistor; a power amplifier output matching circuit coupled between the multiplexer and the power amplifier and mechanically coupled to the substrate.