Universal tuning and matching device

• US 20030218514A1
• Filed: 04/21/2003
• Published: 11/27/2003
• Est. Priority Date: 05/22/2002
• Status: Abandoned Application

• Current Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Original Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Inventors: Fischer, Georg, Eckl, Wolfgang Franz, Kaminski, Gerhard
• Application Number:
  US10/419,419
• Publication Number:
  US 20030218514A1
• Time in Patent Office: Days
• US Class Current: 333/32
• CPC Class Codes: H03H 7/0115 comprising only inductors and capacitors H03H7/075, H03H7/09, H03H7/12, H03H7/13 take precedence

Abstract

A universal tuning and matching device for providing increased reconfiguration flexibility for high frequency or radio frequency signal transmission systems and/or applications by simultaneously reducing undesirable parasitic influences. The device for high frequency tuning and/or matching may be incorporated within one IC-package at least two capacitors (C₁, C₂, C₃) and two inductors (L₁, L₂, L₃), at least one signal path with at least one input and one output port (RF-port1, RF-port2, RF-prot3) and controllable switching means (1_C1, 1_C2, 1_C3, 1_L1, 1_L2, 1_L3) for individually connecting and disconnecting at least one of the capacitors (C₁, C₂, C₃) and/or at least of the inductors (L₁, L₂, L₃) into the signal path or from the signal path.

Claims

1. A device for high-frequency and/or radio-frequency tuning and/or matching comprising within one IC-package at least two capacitors and at least two inductors, at least one signal path providing at least one input and one output port and at least one controllable switching means for individually connecting and disconnecting at least one of the capacitors and/or at least one of the inductors into the signal path or from the signal path.

2. The device of claim 1, further comprising at least one control signal path isolated from the RF-signal path into which the at least one capacitor and/or inductor is connectable for controlling the switching means and/or for controlling at least one tunable component incorporated in the device.

3. The device of claim 2, further comprising a separate control path for each tunable component and/or at least one control bus for controlling a plurality of switching means.

4. The device of claim 3, wherein the at least one control bus for the plurality of switching means is based on a sufficient number of bits for controlling each of the of switching means individually and/or wherein the at least one control bus is connectable to an EPROM or EEPROM and/or wherein the at least one path for controlling the tunable components is adapted to be controllable via an analogue voltage or via a digital to analogue converter.

5. The device of claim 1, wherein the switching means respectively comprises an actuator for driving a contact element of the switching means to close or open the switching means.

6. The device of claim 1, wherein the switching means respectively comprises an actuating mechanism based on an electrostatic, piezoelectric, thermal, magnetic or bimetallic actuator functionality and/or at least one of said at least two inductors is based on a spiral hollow inductor and/or wherein a tunable capacitor has an effective area which can be varied by changing the distance between at least two plates or the degree of engagement of fingers of a comb-like structure.

7. The device of claim 1, wherein the controllable switching means is produced as MEMS RF-switch means and the device comprises at least one MEMS varactor and at least one MEMS variometer.

8. The device of claim 1, produced by using a Micro-Electro-Mechanical-Systems (MEMS) technology, in particular produced by employing a bulk micromachining and/or a surface micromachining technology.

9. The device of claim 1, further comprising six controllable RF-switches, two fixed capacitors, two fixed inductors, one tunable capacitor and one tunable inductor and a RF-signal path providing three RF-ports at an outer IC-package surface for the interconnecting with a further component.

10. An apparatus comprising at least two devices according to claim 1, wherein said two devices are electrically connected with each other.