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请教一下，
关于CD4046A 想锁一个100K 的方波信号，R1,R2需要怎么配置？目前R1=10K,R2=10K,C1=1.5nF，无法锁住相位；R3,C3的滤波器一定要加吗
对的,是TI的产品，CD74HCT4046A ；
