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Author Topic: AC return voltage on DC GND plane  (Read 5340 times)

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Offline anishkgtTopic starter

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    • George Hobby
Re: AC return voltage on DC GND plane
« Reply #25 on: October 27, 2017, 08:49:01 pm »
The chances of that happening would be minimum. After all the end user should have little more sense about it but it is a good point to note.

In that case would it help if the gnd plane isolate from the ac pins on the pcb.


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Online Zero999

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Re: AC return voltage on DC GND plane
« Reply #26 on: October 27, 2017, 10:38:18 pm »
How about a fuse with a low current rating, yet high breaking capacity on the USB connector?
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Offline anishkgtTopic starter

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    • George Hobby
Re: AC return voltage on DC GND plane
« Reply #27 on: October 28, 2017, 11:13:50 am »
Or maybe disable the pcb controls when a usb is connected.


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Equipments: DSO104z, Hakko FX888D, Brymen BM869s
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