We need to amplify weak signal witn -110 dBm strength. Will such low signal be acceptable for AD8330's input? Or we need to preamplify this signal before AD8330? Amplification will be set to +40 dB.
Sorry for the belated reply but we had some issues with the forwarding of questions from this community that have been resolved. I wanted to post an answer in the event it will help someone else with a similar question.
-110dBm is about 0.7uV rms, so would be swamped by noise. Most liekly you would need a nice low-noise preamp first to achieve an acceptably low noise output (the noise spec. is 5nV/rtHz).
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