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From: "Edward Rawde" <invalid@invalid.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Interview Question (your Sunday ruined part 2)
Date: Mon, 21 Oct 2024 15:31:45 -0400
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"john larkin" <jl@glen--canyon.com> wrote in message news:jgadhjl2uj77q3gdls2tfjrdu5qe8j9vgp@4ax.com...
> On Mon, 21 Oct 2024 17:24:35 +0100, liz@poppyrecords.invalid.invalid
> (Liz Tuddenham) wrote:
>
>>john larkin <JL@gct.com> wrote:
>>
>>> On Mon, 21 Oct 2024 11:57:33 +0100, liz@poppyrecords.invalid.invalid
>>> (Liz Tuddenham) wrote:
>>>
>>> >Edward Rawde <invalid@invalid.invalid> wrote:
>>> >
>>> >> "john larkin" <JL@gct.com> wrote in message
>>> >news:risahjpn2kfue87dqm6t2461a966ncv9in@4ax.com...
>>> >
>>> >[...] > >
>>> >> > Maybe european decimal points slide off drawings and fall on the
>>> >> > floor. Robust American decimal points and schematic connect dots don't
>>> >> > do that.
>>> >>
>>> >> I wasn't aware that there was a difference between European and american
>>> >> decimal points.
>>> >
>>> >There is a difference between English-speking ones and French-speaking
>>> >ones: the French ones look like commas.
>>>
>>> Do French engineers use the same convention on their schematics?
>>
>>I don't know, but the comma is in everyday use as a decimal point.
>>
>>> I can't recall ever seeing a French schematic, actually.
>>
>>I can - and it was dreadful !  It was of a laboratory R.F. signal
>>generator and they had put the earthing point in the centre with the
>>various sections of the circuit radiating like the spokes of a wheel
>>around it.  The HT line ran around the outside.
>>
>>I don't think they do it like that nowadays.
>
> There are people, even gigabuck organizations, who are obsessed with
> single-point grounding.

Decoupling capacitors such as 0.1uF everywhere can also be an obsession.
Remove them from many (not all) circuits with no change in performance.

>
> That gets crazy fast.
>