【摘要】 最常见的数字调频信号是二元数据信号的频移调制信号FS,结合PSPICE软件分析了频移调制原理;借助EWB软件,根据基本电子电路原理。用分立元器件设计了一种简单的FS调制电路。该设计充分利用电脑辅助设计,使原理可视化,且便于元器件参数的调整,使成本降低,为设计带来极大方便。更多还原

【Abstract】 The most common digital FM signal is binary data signals of frequency shift modulation signal FS.The principle of FS modulation with PSPICE software is analyzed,and according to the basic principle of electronic circuit,with the help of EWB software designs a simple circuit of FS modulation is presented,using discrete components.The design takes full advantage of computer-aided design,making the principle visual,and component parameters adjustment user-friendly.As a result,the cost is reduced,and great convenience is got.更多还原