Hi ADI expert,
In order to prevent the "Excessive Interference", Could you help to provide about related design guide for LED and Photo-diode spacing design?
I am not sure what you mean by "excessive interference". The most critical factor with LED to PD spacing is going to depend on what wavelengths you're using and what the measurement location is on the body. If you can give more information about what you're trying to measure and where then I can give you a better answer. Also, please explain what you mean by "excessive interference".
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