Dynamic tuning of an off voltage-controlled oscillator (VCO) of a multi-core VCO in a reduced-core mode
AssigneeQUALCOMM Incorporated
InventorsAaron Curry, Payam Lajevardi, Emanuele Lopelli, Yanan Wu, Dawei Mai, Zhanjun Bai
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Abstract
Certain aspects of the present disclosure are directed towards methods and apparatus for oscillating signal generation. An example method generally includes: configuring a first voltage-controlled oscillator (VCO) core of a multi-core VCO based on an oscillating frequency of a second VCO core of the multi-core VCO; and generating, via the second VCO core, an oscillating signal with the oscillating frequency, wherein the first VCO core is off while the oscillating signal is generated via the second VCO core.
Claims18
A method for oscillating signal generation, comprising:
- configuring a first voltage-controlled oscillator (VCO) core of a multi-core VCO based on an oscillating frequency of a second VCO core of the multi-core VCO, wherein the first VCO core is separate from the second VCO core, wherein configuring the first VCO core comprises configuring a capacitor bank of the first VCO core coupled between a first output and a second output of the first VCO core;
- and
- generating, via the second VCO core, an oscillating signal with the oscillating frequency, wherein the first VCO core is off while the oscillating signal is generated via the second VCO core.
A multi-core voltage-controlled oscillator (VCO) comprising:
- a first VCO core selectively coupled to one or more outputs of the multi-core VCO, the first VCO core comprising a capacitor bank coupled between a first output and a second output of the first VCO core;
- and
- a second VCO core selectively coupled to the one or more outputs of the multi-core VCO, wherein the first VCO core is separate from the second VCO core, the capacitor bank being capable of being configured based on an oscillating frequency of the second VCO core, wherein the second VCO core is configured to generate an oscillating signal with the oscillating frequency, and wherein the first VCO core is configured to be off while the oscillating signal is generated via the second VCO core.
A wireless device comprising:
- one or more antennas;
- and
- a transmitter or a receiver coupled to the one or more antennas and including a frequency synthesizer, wherein the frequency synthesizer includes a multi-core voltage-controlled oscillator (VCO) comprising:
- a first VCO core selectively coupled to one or more outputs of the multi-core VCO, the first VCO core comprising a capacitor bank coupled between a first output and a second output of the first VCO core;
- and
- a second VCO core selectively coupled to the one or more outputs of the multi-core VCO, wherein the first VCO core is separate from the second VCO core, the capacitor bank being capable of being configured based on an oscillating frequency of the second VCO core, wherein the second VCO core is configured to generate an oscillating signal with the oscillating frequency, and wherein the first VCO core is configured to be off while the oscillating signal is generated via the second VCO core.
Dependencies are inferred from the claim text.