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The constants b and c of CN0338

Category: Datasheet/Specs
Product Number: CN0338

Dear ADI Expert,

         I'm a DFAE,My customer is evaluating the CN0338 circuit.The ranges of b and c are defined in the CN0338 reference code,and b:0.1-10,c:0-10.

When using the "modified Beer-Lambert's law",How can i calculate the values of b and c? The reference manual does not give a detailed explanation,

Looking forward to your reply,thanks.

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    •  Analog Employees 
    Mar 12, 2024 +1 verified

    Hi  ,

    The "b" constant can be calculated using the formula indicated in the circuit note.

    Now that you have the "b" constant, to get the "c" constant, you may plot the…