Method and system for controlling capacitive load for ring oscillator
AssigneeSamsung Electronics Co., Ltd.
InventorsMohit Singh CHOUDHARY, Praveen RATHEE, Mohd AQUIF, Vishnu KALYANAMAHADEVI GOPALAN JAWARLAL
Life of this patent
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Abstract
A method for controlling a capacitive load for a ring oscillator may include determining, using a comparator bank, at least one Process Voltage and Temperature (PVT) condition of the ring oscillator based on a ring top voltage, the comparator bank including a first comparator and a second comparator, and the ring oscillator including a plurality of stages, and controlling, using processing circuitry, a capacitive load of the ring oscillator based on the determined at least one PVT condition, the capacitive load connected at an output of each stage of the plurality of stages of the ring oscillator.
Claims20
A method for operating a ring oscillator, the method comprising:
- determining, using a comparator bank, at least one Process Voltage and Temperature (PVT) condition of the ring oscillator based on a ring top voltage, the comparator bank including a first comparator and a second comparator, and the ring oscillator including a plurality of stages;
- and
- controlling, using processing circuitry, a capacitive load of the ring oscillator based on the determined at least one PVT condition, the capacitive load connected at an output of each stage of the plurality of stages of the ring oscillator.
A system for controlling a ring oscillator, the system comprising:
- a ring oscillator included in a Phase Locked Loop (PLL), the ring oscillator including a plurality of stages;
- a comparator bank configured to determine at least one Process Voltage and Temperature (PVT) condition based on a ring top voltage in the ring oscillator, the comparator bank including a first comparator and a second comparator;
- and
- processing circuitry connected to the ring oscillator, the processing circuitry configured to control a capacitive load connected at an output of each stage of the plurality of stages of the ring oscillator based on an output of the comparator bank.
A device comprising:
- a ring oscillator including a plurality of stages;
- a comparator bank configured to determine at least one Process Voltage and Temperature (PVT) condition based on a ring top voltage in the ring oscillator, the comparator bank including a first comparator and a second comparator;
- and
- processing circuitry connected to the ring oscillator, the processing circuitry configured to control a capacitive load connected at an output of each stage of the plurality of stages of the ring oscillator based on an output of the comparator bank.
Dependencies are inferred from the claim text.