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PreAMP for photodoode

Question asked by Kevin1102 on Mar 18, 2013
Latest reply on Mar 20, 2013 by Emman.A

We will detect the intensity of light (optical power), adopt photo diode output current signal.
The intensity of the optical power from the 5dBm ~-60dBm, corresponding to the current signal from 3mA ~ 1nA.

Should adopt ADI Log AMP or others to design preAMP?

Have any reference design or circuit from Labs to speed up design-in?

Attachment is our photo diode specification.

Regard,

 

Kevin

 

 

 


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