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From: "Brill Pappin"
Subject: Re: Ground loops?
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Date: Sun, 15 Sep 2002 17:27:00 GMT
NNTP-Posting-Date: Sun, 15 Sep 2002 13:27:00 EDT
> >- Use buffers/inverters between boards... mostly this would not be a
> This one has some promise. Single-ended buffers won't buy you anything,
> but differential buffer/drivers and receivers will work very well for both
> digital and analog signals.
You mean as in CAN... I actually need to run all the lines in the bus
> It's also possible to convert *all* the analog and digital signals into
> and out of an individual board into digital signals and send them to
> with a multi-drop scheme like RS-485 or CAN BUS or even ethernet.
I'd love to you something like that, but I don't think it'll work well for
> Add to that a higher Vcc supply on the "bus" and individual local Vcc
> regulators on each board and you begin to get something with a proven
> record for not having noise or cross-talk problems.
This one I *can* do, and its likely what I will do... I do still have to
jumper the signal lines however.
I'm starting to thing it would be worth separating the signal lines and the
power lines in to two separate connections... its a little "messy" but it
would mean I could take extra measures such as shielding the power lines
separate from the signal line... etc.
- Brill Pappin
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