I think the confusion exists because we insist on calling too many things
"ground". To me, ground is earth. In electrical circuits (AC,DC,RF) there is
return. I doubt the world is gonna adapt my view.
73, Mike NF4L
> On Jan 19, 2015, at 9:29 PM, James Duffey <jamesduffey@comcast.net> wrote:
>
> Even though a perfect ground, RF or otherwise, does not exist in practice,
> the RF ground is not a myth. At least not a myth in the same sense that Thor,
> Zeus, just taxes, and Chupacabra are a myth. The RF ground is a useful
> theoretical construct. This theoretical construct is a result of solid
> thinking. Given that it is hard to realize in practice, but it does have its
> use in understanding current flow in RF circuits, the practical problems in
> implementing a useful ground, and why we have problems in circuits that we
> don’t think should have problems. Simply put, an RF ground is an infinite
> source or sink of carriers, delivered or received with minimal delay. That of
> course is not realizable, but understanding why the carriers cannot be
> delivered or absorbed with minimal delay helps a great deal in understanding
> the practical implementation of circuits we design.
>
> In more general terms, theory is not myth, even if it cannot be realized in
> practice. - Duffey KK6MC
>
>
> On Jan 19, 2015, at 3:37 PM, K9YC through towertalk-request@contesting.com
> wrote:
>
>> The real issue is that the concept of "RF Ground" is a myth and the
>> result of fuzzy thinking.
>
> --
> KK6MC
> James Duffey
> Cedar Crest NM
>
>
>
>
>
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