Abstract : a design method of using gal to make a constant current source is introduced ， proving a new method of current stabilization by means of driving regulated transformer by a controlling device . experimental results are given to demonstrate effectiveness of the method 文摘:主要介绍以可编程门阵列器件构成恒流源核心控制电路的设计思路，通过机电自控装置驱动可调变压器实现新的稳流方法，实验证明这一方法是可行的。
