Re: Ground in DC circuits.
- From: "Tom Biasi" <tombiasi@xxxxxxxxxxxxxxxxxxx>
- Date: Tue, 26 Jul 2005 10:07:10 -0400
<freeplatypus@xxxxxxxxx> wrote in message
news:1122385432.831946.220600@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi!
>
> I have some theoretical knowledge of electronic circuits, but when it
> comes to practical, real circuit, there are some issues. The biggest
> problem is grounding. I read several articles about loops, but it is
> not enough.
>
> E.g.
> http://chaokhun.kmitl.ac.th/~kswichit/dcsupply/circuit.gif
>
> 0 V and GND are at the same node. (?) Does it mean that I have to
> connect it to something (to what?) or does this act as ground.
>
> Thanks In Advance.
Hi,
Sometime the symbol for common is taken to mean ground. A ground usually
references the earth somewhere. The schematic you linked uses the symbol to
mean common point. 0V and common are the same in this circuit. You do not
need to connect it to anything.
Very often common will also be grounded.
The terms are used interchangeably sometimes but shouldn't be.
Regards,
Tom
.
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