Measuring range optimization method of current-frequency conversion circuit

The invention relates to the technical field of inertial navigation, and discloses a measuring range optimization method of a current-frequency conversion circuit, so as to solve the technical problem that the measuring range and the volume are compatible in the existing method. The method comprises the following steps: detecting whether the current range and volume of the current-frequency conversion circuit meet expected targets or not, if not, replacing a constant current source of the current circuit with a current source with higher switching frequency, and/or reducing the number of capacitors in the integrating circuit, so as to reduce the switching frequency of the current source; the maximum sampling rate corresponding to the maximum value of the maximum current range is larger than or equal to 40 KHZ, the size meets the expected target, and a digital switch matched with the maximum sampling rate is adopted in the switching circuit. 本发明涉及惯导技术领域，公开一种电流-频率转换电路的量程优化方法，以解决现有方法中量程和体积顾此失彼的技术问题。方法包括：检测电流-频率转