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How to reduce system noise to below 50uV for AD8233

kimwin107 在 2017-9-5 詢問的問題

ad8233 設計值.png

 

We use two electrode AC leads off detection for circuit configuration and using two-pole, high-pass filter, and two-pole, low-pass filter.    (Frequency response range is 0.05hz to 40Hz)

Measuring the system noise that is around 100uV(clause IEC 60601-2-47 201.12.4.4.106 system noise < 50uV).

Does someone help us to reduce system noise ?

The picture is our design value.

結果