Capacitance detection and amplitude control circuit suitable for ring type mechanical gyroscope

The invention provides a capacitance detection and amplitude control circuit suitable for a ring-type mechanical gyroscope, and the circuit comprises a carrier wave generation circuit A, a ring-type mechanical gyroscope harmonic oscillator B, an analog switch channel C, a capacitance differential amplifier D, a signal setting E, a signal phase shift F and an amplitude control G. The carrier wave generation circuit A is used for generating a sine/square wave carrier wave signal; the output end of the carrier generation circuit A is connected with the ring type mechanical gyroscope harmonic oscillator B and the analog switch channel C, the output end of the analog switch channel C is sequentially connected with the capacitance differential amplifier D, the signal setting E, the signal phase shift F and the amplitude control G, and the output end of the amplitude control G is connected with the ring type mechanical gyroscope harmonic oscillator B. 本申请提供一种适用于环式机械陀螺的电容检测及幅度控制电路，所述电路包括载波发生电路A、环式机械陀螺谐振子B、模拟开关通道C、电容差