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https://e2e.ti.com/support/clock-timing-group/clock-and-timing/f/clock-timing-forum/817388/lmx2572-about-the-partial-assist-and-close-frequency-assist-mode-usage-of-the-lmx2572
你(们)好
谢谢
赵好、
您是要在1GHz 和1.3GHz 之间进行频率扫描、步长为50MHz 吗？
如果是这种情况、我建议使用近距离频率辅助模式、因为编程更简单、您无需估算三个 VCO 参数。
您只需设置 quick_RECAL_EN=1并照常对器件进行编程。
您可以使用 PLL SIM 来估算锁定时间。 PLL SIM 可从 TI.com 下载。
