【摘要】 介绍了一种用通用集成数字锁相环电路设计的可程控宽变频的低频数字锁相环频率合成器。它具有电路简单、成本低、可程控和频率输出可灵活配置等特点 ,可作为一般智能化仪器的低频信号源更多还原

【Abstract】 Introduced a frequency synthesizer of with programmable-control and wideband exchanging frequency that is designed by common integrated digital phase-locked loop circuit It has the characteristics that circuit is simple; cost islow; it is controlled by programs; can flexibly distribute the output of frequency and so on, can use it as signal source of low frequency in common intelligent instruments更多还原