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US 2026/0254447 A1Published application
Methods and apparatus to interpolate between voltages in a delay domain
OwnerNeeraj Shrivastava, Girish O +1inventors
InventorsNeeraj Shrivastava, Girish O, Rishi Soundararajan
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Abstract
An example apparatus includes: first voltage comparator having an input and an output; second voltage comparator having an input and an output, the input of the second voltage comparator coupled to the input of the first voltage comparator; and delay comparator having a first input and a second input, the first input of the delay comparator coupled to the output of the first voltage comparator, the second input of the delay comparator coupled to the output of the second voltage comparator.
Claims20
An apparatus comprising:
- first voltage comparator having an input and an output;
- second voltage comparator having an input and an output, the input of the second voltage comparator coupled to the input of the first voltage comparator;
- and
- delay comparator having a first input and a second input, the first input of the delay comparator coupled to the output of the first voltage comparator, the second input of the delay comparator coupled to the output of the second voltage comparator.
1 more element
An apparatus comprising:
- reference generation circuitry having a first output and a second output;
- a voltage comparator stage having a first input, a second input, a first output, and a second output, the first input of the voltage comparator stage coupled to the first output of the reference generation circuitry, the second input of the voltage comparator stage coupled to the second output of the reference generation circuitry;
- and
- a delay comparator stage having a first input and a second input, the first input of the delay comparator stage coupled to the first output of the voltage comparator stage, the second input of the delay comparator stage coupled to the second output of the voltage comparator stage.
1 more element
An apparatus comprising:
- analog-to-digital converter (ADC) circuitry including:
- a voltage comparator stage having an input, a sign output, a first delay output, and a second delay output;
- and
- a delay comparator stage having a first input, a second input, and a sign output, the first input of the delay comparator stage coupled to the first delay output of the voltage comparator stage, the second input of the delay comparator stage coupled to the second delay output of the voltage comparator stage;
- a digital-to-analog converter (DAC) having an input and an output, the input of the DAC coupled to the sign output of the voltage comparator stage and the sign output of the delay comparator stage;
- and
- amplifier having an input coupled to the input of the voltage comparator stage and the output of the DAC.
4 more elements
Dependencies are inferred from the claim text.