It designs a new kind of DCO for DPLL by using VHDL finite state machine, which has the stable performance by testing and application, gives detailed analysis about how to modulate phase and remove burr.

• 用VHDL有限状态机设计了一种用于数字锁相环的数控振荡器,详细分析了解决相位调整和消除"毛刺"的方法,对设计实现过程中应注意的相关问题也作了具体讨论;