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放大器专区

问答 AD9361单音频谱输出异常

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AD9361单音频谱输出异常

yzhang on Dec 31, 2021

2412M频点，DDS IP产生3M单音信号，发送后接收到的频谱是这个样子的，BIST模式有测试过，是正常的，烦请大神不吝赐教

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shawn
Jan 4, 2022 +1 verified
bist有测过是指使用bist发射单音相噪比这个好一些？

+1 shawn

on Jan 4, 2022 3:10 AM
bist有测过是指使用bist发射单音相噪比这个好一些？
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0 yzhang on Mar 9, 2022 6:19 AM in reply to shawn

是时钟源的问题，我使用了外部时钟会导致这种情况，后来换成板上晶振就正常了
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