Patent ID: 7155182
Filing Date: 2006-12-26
Classification: H03B,H03F,H03J

Abstract:
1. A device for high-frequency and/or radio-frequency tuning comprising a single IC-package having an rf input port and an rf output port with a signal path therebetween, said package containing: a first variable capacitor connected in the signal path between the input and output ports, having its first electrode connected to the input port and its second electrode connected to the output port, the first variable capacitor being controllable via a control path isolated from the signal path; a plurality of second fixed capacitors; and a plurality of digitally controllable switching means for individually connecting and disconnecting said second fixed capacitors into or from the signal path, in parallel to and across the first variable capacitor, the second fixed capacitors being arranged in a logarithmic scale, and the first variable capacitor matching the lowest range of the logarithmic scale; and the first and second capacitors and switching means being fabricated as a single integrated MEMS technology arrangement.