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The harmonic output of AD8338

Question asked by Tsingyang on Jun 15, 2016
Latest reply on Jun 21, 2016 by Tsingyang


     I have some questions of AD8338.I use the AD8338 to drive the ADCs.But when I use AD8338 to ampilfy the singal which is at olny 4Mhz frequency,the harmonic wave output of AD8338 is plentiful.The picture is as follow:


      When I amplify FSK signal,then the wave will distort.Can this chip eliminate the harmonic wave and dismiss the distortaion?

My design schemamtic is as follw:Ad8338 design.png

Are there some ways to solve it?Thans a lot for any answers.