数控振荡器是各种数字频率合成器和数字信号发生器的核心器件 .应用现场可编程器件进行数控振荡器的设计是一种新的技术 ,设计中提出了一种应用硬件描述语言的数控振荡器设计方案 ,给出了仿真结果 ,仿真结果表明该设计达到了预期要求 .通过对其参数进行分析为进一步设计高性能的数控振荡器指出了方向 Numerical control oscillator is the core of all kinds of digital frequency synthesizer and digital signal generator.It is a new technology to design the numerical control oscillator by using field programmable devices.It presents a kind of numerical control oscillation using hardware description language The simulation results show that the design meets the expected requirements.Analysis of its parameters points out the direction of further design of high performance NC oscillator