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Hump seen in the ADA4930 Noise Profile

Question asked by Dwijen.Pandya on Aug 9, 2016
Latest reply on Sep 2, 2016 by tcollins


I am plotting noise output from the ADA4930. The output is converted to single ended using ideal transformer.

As you can see in the attached figure, there is hump in the output noise profile. Can you explain presence of this hump and way to eliminate it?


Attach here is  the

Noise Plot in noisehump.png

Circuit in circuit.jpg

ADIsinPE simulation file in ADA4930_CL_2k.wxsch


Thanks in Advance,

Dwijen Pandya

Qualcomm Inc