A new advanced method to constitute a multiple point frequency synthesizer by using large scale PLL frequency IC controlled by single chipmicrocomputer is presented. 用單片機控制大規模集成鎖相環(huán)頻率合成電路來(lái)構成多頻點(diǎn)頻率合成器,使大規模集成鎖相環(huán)頻率合成電路的功能得到充分發(fā)揮。