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AD9837 just outputs 1Mhz sine with a 7mv VPP?

Question asked by gongli1991@sina.cn on Jan 22, 2016
Latest reply on Jan 28, 2016 by gongli1991@sina.cn

i set MCLK speed with 16Mhz and 5V power supply.

 

when 9837 ouputs 1Khz sine,its VPP is 0.6v and the sine has a 0.3v DC offset.

 

But,when i wanna get 1Mhz sine,its VPP is 7mv and it has a 0.3v DC offset.  Is it  right?

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