【摘要】 因为设计高精度的闭环激磁电源正、余弦精密基准是保证闭环激磁电源性能指标的 关键，所以采用可靠的分频技术和可编程逻辑芯片技术，以确保设计电路的稳定性和可靠性．运 行实践证明：该设计方法能满足系统精度指标的要求．更多还原

【Abstract】 It is the key factor of guaranteeing the performance index of the excitation power supply system that has been designed for the sine and cosine precision reference of high precision excitation power supply with closed loop control. The paper adopts reliable frequency division technique and programmable logic device technique, insures the stability and reliability of designed circuits. The long period usage indicates the validity of the design method and satisfies the requirements of the system precision index.更多还原