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ADN8831 of PID parameter

Question asked by benhua159@163.com on Nov 20, 2017
Latest reply on Nov 20, 2017 by ytu

I use ADN8831 to control temperature of Laser , use oscilloscope measure output of laser and TEC pin。

 

 

 

the yellow curve is the output of laser ,the green curve is current of the TEC. From picture two ,has a high frequence signal disturb the output of laser .how to change picture one parameter to zoom in or zoom out green signal of picture two ? And change which parameter to zoom in or zoom out picture three ?

 

 

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