Microelectromechanical gyroscope with compensation of quadrature signal components

A system, comprising:

• a microprocessor;
• and
• a microelectromechanical gyroscope coupled to the microprocessor, the gyroscope including:
• a supporting body;
• a sensing mass coupled to the supporting body and movable with respect to the supporting body according to a driving axis and a sensing axis;
• a driving circuit that drives the sensing mass by a driving signal to maintain the sensing mass in oscillation according to the driving axis, the driving circuit including a clock generator that generates and outputs a compensation conversion signal and a reading conversion signal, each of the driving signal, the compensation conversion signal, and the reading conversion signal are separate signals output by the driving circuit;
• a reading circuit coupled to the sensing mass, the reading circuit generates an internal transduction signal representative of a position of the sensing mass according to the sensing axis, receives the reading conversion signal, and generates an output signal representative of an angular speed of the supporting body based on the transduction signal and the reading conversion signal;
• and
• a compensation circuit coupled to the reading circuit in a feedback loop, the compensation circuit receives the transduction signal and the compensation conversion signal, and generates a compensation signal based on the received transduction signal and the compensation conversion signal.

A method, comprising:

• generating, by a driving circuit, a driving signal;
• driving a sensing mass by the driving signal to maintain the sensing mass in oscillation according to a driving axis with a driving frequency, the sensing mass being coupled to a supporting body and movable with respect to the supporting body according to a driving axis and a sensing axis;
• generating, by the driving circuit, a compensation conversion signal and a reading conversion signal, each of the driving signal, the compensation conversion signal, and the reading conversion signal being separate signals output by the driving circuit;
• generating, by a reading circuit coupled to the sensing mass, a transduction signal representative of a position of the sensing mass according to the sensing axis;
• and
• generating, by a compensation circuit, a compensation signal based on the transduction signal and the compensation conversion signal.