Method and apparatus for adapting a variable impedance network
AssigneeNXP USA, Inc.
InventorsKeith Manssen, Matthew Russell Greene
Life of this patent
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Abstract
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 comprising a plurality of fixed capacitors coupled to a plurality of switches. The plurality of switches can be controlled by the plurality of control signals to manage a tunable range of reactance of the array of tunable switched capacitors. Additionally, the array of tunable switched capacitors is adapted to have non-uniform quality (Q) factors. Additional embodiments are disclosed.
Claims20
A device comprising:
- a tunable matching network on a single die, the tunable matching network including a plurality of signal switches,
- wherein the plurality of signal switches are configurable to provide a first matching network and a separate second matching network having respectively a low-frequency signal path and a high-frequency signal path,
- wherein the single die has a plurality of ports for coupling to an input and an output of the first matching network and to an input and an output of the second matching network;
- wherein one or both of the low-frequency signal path and the high-frequency signal path comprises a tunable network;
- and
- wherein an input switch of the plurality of signal switches is directly coupled to an input port of the plurality of ports and an output switch of the plurality of signal switches is directly coupled to an output port of the plurality of ports.
A device comprising:
- a tunable matching network on a single die, the tunable matching network including a plurality of signal switches,
- wherein the plurality of signal switches are configurable to provide a first tunable matching network and a separate second tunable matching network having respectively a low-frequency signal path and a high-frequency signal path, and to divert a signal to one of the low-frequency signal path or the high-frequency signal path, in accordance with a frequency of the signal;
- and
- wherein an input switch of the plurality of signal switches is directly coupled to an input port of the plurality of ports and an output switch of the plurality of signal switches is directly coupled to an output port of the plurality of ports.
A device comprising:
- a tunable matching network on a single die, the tunable matching network including a plurality of signal switches,
- wherein the plurality of signal switches are configurable to provide in the tunable matching network a first signal path and a separate second signal path, the first signal path and the second signal path respectively comprising a low-frequency signal path and a high-frequency signal path,
- wherein the single die has a plurality of ports for coupling to an input and an output of the first signal path and to an input and an output of the second signal path;
- wherein the plurality of signal switches are configured to divert a signal to one of the low-frequency signal path or the high-frequency signal path, in accordance with a frequency of the signal;
- and
- wherein an input switch of the plurality of signal switches is directly coupled to an input port of the plurality of ports and an output switch of the plurality of signal switches is directly coupled to an output port of the plurality of ports.
Dependencies are inferred from the claim text.