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0-10v Servo Control with 7i76E

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2 years 7 months ago - 2 years 7 months ago #295056 by chris@cnc
Replied by chris@cnc on topic 0-10v Servo Control with 7i76E
I check this on my noise nightmare. 10V Signal and out at 4K and 8K.   0,4V max
Last edit: 2 years 7 months ago by chris@cnc.
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2 years 7 months ago #295082 by besriworld
Replied by besriworld on topic 0-10v Servo Control with 7i76E
Thank you for sharing! After simulating the circuit, I changed some resistors. Now I have a faster reaction. It seems that the main problem in my scheme is that I use a common power supply. I have 35mV (Pk to Pk) ripple in the 5V power supply. Do you have any ideas for reducing in power supply ripple or other easy modification in board?

 

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2 years 7 months ago #295083 by PCW
Replied by PCW on topic 0-10v Servo Control with 7i76E
Yes, use a buffer powered by a reference voltage to provide
noise free, accurate voltage PWM
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