Topband: Ohmic resistance question

[Artek Manuals]

As I suspected ..... thy "digging implement" tis naught but a spade 
..... !!!!!

Dave
NR1DX

On 11/23/2019 11:42 PM, Jim Brown wrote:
> On 11/23/2019 8:04 PM, GEORGE WALLNER wrote:
>> I think the question was meant as a joke, as it is called "galvanic 
>> isolation".
>
> Almost 20 years ago, an international group of engineers that made up 
> the Working Group of which I was Vice-Chair went around about 
> "galvanic isolation" while writing AES Standards for EMC. The result 
> of our discussions was that the term had no real meaning because no 
> one could produce a real definition for it in the literature.
>
> Likewise, NR1DX was right to question "Ohmic Isolation."� If we mean 
> DC isolation, we should say so. If we mean that there is a two-winding 
> transformer to minimize common mode current, we should say that. Too 
> many words like "ground" and "balun" have multiple meanings -- they 
> are confusing, obscure how things work, and cause people to do the 
> wrong things to solve problems.
>
> 73, Jim K9YC

-- 
Dave
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