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ADA4817 self-oscillation

Question asked by jiangfux on Jun 9, 2013
Latest reply on Jun 13, 2013 by jiangfux


I use ada4817-1 and adg1414bcpz to convert current to voltage.

But the amplifier self-oscillate at frequency about 80MHz.

How can i cancel the unexpected frequency?


In attchment, ADA4817-1 convert current in DUT to voltage. ADG1414BCPZ used to

select feedback resistor to make gain variable.