OPERATING DEVICE AND METHOD FOR OPERATING A ROTATION-RATE SENSOR

An operating device for a rotation-rate sensor. A mechanical amplification of a deflection oscillatory motion and/or a phase shift of the deflection oscillatory motion relative to a harmonic drive oscillation of a seismic mass can be determined using an electronic apparatus of the operating device by taking into account at least one drive frequency variable with respect to a characteristic drive frequency of the harmonic drive oscillation of the seismic mass of the rotation-rate sensor and by also taking into account at least one detection frequency variable, which is provided by the operating device itself to the operating device, with respect to a characteristic detection frequency of the deflection oscillatory motion, caused by a Coriolis force, of the seismic mass put into the harmonic drive oscillation or with respect to a difference between the characteristic drive frequency and the characteristic detection frequency.