This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
https://e2e.ti.com/support/clock-timing-group/clock-and-timing/f/clock-timing-forum/755266/cdcm6208-cdcm6208-lock-up-time-measurement-variation
您好！
我的客户正在使用 CDCM6208、fPFD=40KHz 并测量锁定时间。
根据计算、从步骤3到步骤5需要6.4秒。
它们观察~6.5s 的锁定时间、但有时为~一半、3.2秒。
什么可能是根本原因？
如果加电后的默认 VCO 范围恰好匹配所需值、可以跳过步骤5 (VCO 校准)吗？
此致、
希拉诺
