obsidian-notes/射频/时钟参考/HMC1031.md
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---
title: HMC1031
updated: 2022-01-11 03:02:26Z
created: 2022-01-08 13:17:42Z
---
利用窄带(**BW<<1kHz**特性较差的10MHz参考也可获得较好的100MHz信号此时1k10k的相噪特性主要由VCO决定推荐VCO为CVHD-950
![锁相后的相噪.png](../../../_resources/锁相后的相噪.png)
原理参见
[时钟#双环路PLL](../PLL/时钟.md#双环路pll)