US 2026/0230045 A1 · METHODS AND APPARATUS TO CALIBRATE VOLTAGE-TO-DELAY CONVERSIONS

Abstract

An example apparatus includes: first amplifier circuitry having a first output and a second output; second amplifier circuitry having an output; first transistor circuitry having a first terminal and a control terminal; second transistor circuitry having a first terminal and a control terminal, the control terminal of the second transistor circuitry coupled to the output of the second amplifier circuitry and the control terminal of the first transistor circuitry; and voltage-to-delay circuitry having a first input and a second input, the first input of the voltage-to-delay circuitry coupled to the first output of the first amplifier circuitry and the first terminal of the first transistor circuitry, the second input of the voltage-to-delay circuitry coupled to the second output of the first amplifier circuitry and the first terminal of the second transistor circuitry.

Claims20

Dependent claims

An apparatus comprising:

first amplifier circuitry having a first output and a second output;
second amplifier circuitry having an output;
first transistor circuitry having a first terminal and a control terminal;
second transistor circuitry having a first terminal and a control terminal, the control terminal of the second transistor circuitry coupled to the output of the second amplifier circuitry and the control terminal of the first transistor circuitry;
and
voltage-to-delay circuitry having a first input and a second input, the first input of the voltage-to-delay circuitry coupled to the first output of the first amplifier circuitry and the first terminal of the first transistor circuitry, the second input of the voltage-to-delay circuitry coupled to the second output of the first amplifier circuitry and the first terminal of the second transistor circuitry.

3 more elements

An apparatus comprising:

amplifier circuitry having a first input, a second input, a first output, and a second output;
voltage-to-delay circuitry having a first input and a second input;
pulse generator circuitry having a first input and a second input;
and
calibration circuitry having a first input, a second input, a first output, and a second output, the first input of the calibration circuitry coupled to the first input of the amplifier circuitry, the second input of the calibration circuitry coupled to the second input of the amplifier circuitry, the first output of the calibration circuitry coupled to the first output of the amplifier circuitry, the first input of the voltage-to-delay circuitry, and the first input of the pulse generator circuitry, the second output of the calibration circuitry coupled to the second output of the amplifier circuitry, the second input of the voltage-to-delay circuitry, and the second input of the pulse generator circuitry.

2 more elements

An apparatus comprising:

amplifier circuitry having an input and an output;
voltage-to-delay circuitry having an input;
calibration circuitry having an input and an output, the input of the calibration circuitry coupled to the input of the amplifier circuitry, the output of the calibration circuitry coupled to the output of the amplifier circuitry and the input of the voltage-to-delay circuitry, the calibration circuitry configured to:
adjust a common mode voltage at the output of the amplifier circuitry corresponding to an offset correction value;
and
adjust the common mode voltage at the output of the amplifier circuitry corresponding to a gain correction value.

3 more elements

Dependencies are inferred from the claim text.

Methods and apparatus to calibrate voltage-to-delay conversions

Life of this patent

Methods and apparatus to calibrate voltage-to-delay conversions

Life of this patent

Abstract

Claims20