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Subject: Re: Seperating Ground lines

Date: 12/20/02 at 2:51 PM
Posted by: Russ Kincaid
E-mail: russlk@netzero.com
Message Posted:

In Reply to: Re: Seperating Ground lines posted by David on 12/19/02 at 7:07 PM:

If your SMPS has an isolating transformer (most likley), and the MCU is isolated from the motor driver by the opto, the grounds do not need to be common, and there should not be a problem. If you are experiencing interference in the MCU, perhaps it needs to be shielded. Try putting it in a metal box.

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