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AD8368 OIP3 drop from 30dBm to 20dBm

Question asked by RFyangyang on Sep 9, 2016
Latest reply on Sep 9, 2016 by RFyangyang

Hi,recently our customer designing IF VGA module,AD8368 designed in,fIF=40MHz.

However,5% module(150pcs) OIP3 performance has gone bad(only 20dBm) than the testing data of a few hours ago.

And After testing found that gain,voltage and current are all normal.

The OIP3 is normal(>30dBm) after replacement with the new chip AD8368.

Can you help support some suggestions about the chip damage?Thanks!