Filter auto-calibration using multi-clock generator

A method for auto-calibrating a filter, comprising:

• determining a channel setting;
• generating a first variable frequency signal utilizing a multi-clock generator based on the channel setting;
• generating an in-phase component and a quadrature component of the first variable frequency signal using a quadrature signal generator;
• generating an in-phase component and a quadrature component of a quadrature signal from a received signal other than the first variable frequency signal using a mixer;
• and
• executing auto-calibration of the filter by an auto-calibration control module coupled to the multi-clock generator, the multi-clock generator configured to supply the in-phase component and quadrature component of the first variable frequency signal to the auto-calibration control module and the filter,
• wherein the filter is further configured to filter the in-phase and quadrature components of the quadrature signal generated by the mixer.

An integrated circuit including a filter auto-calibration system, the filter auto-calibration system comprising:

• a multi-clock module including a multi-clock generator and a frequency synthesizer, wherein the frequency synthesizer is configured to supply a first variable frequency signal to the multi-clock generator based on a channel setting, the multi-clock generator is configured to generate a second variable frequency signal based on the channel setting, and the multi-clock generator comprises a multi-modulus divider and a quadrature signal generator configured to generate an in-phase component and a quadrature component of the second variable frequency signal;
• a mixer configured to generate an in-phase component and a quadrature component of a quadrature signal from a received signal other than the first and second variable frequency signals;
• at least one filter to be calibrated, wherein the at least one filter is further configured to filter the in-phase and quadrature components of the quadrature signal generated by the mixer;
• and
• an auto-calibration control module that is configured to control calibration of the at least one filter based on the channel setting.