Sujet : Re: A Complex Metaphysical Conundrum
De : invalid (at) *nospam* invalid.invalid (Edward Rawde)
Groupes : sci.electronics.designDate : 11. Apr 2024, 18:06:57
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"John Larkin" <
jjSNIPlarkin@highNONOlandtechnology.com> wrote in message
news:sr0g1jd1bc8m0p73528k2rsro5hi0v7is3@4ax.com...On Thu, 11 Apr 2024 16:20:28 +0100, Cursitor Doom <cd@notformail.com>
wrote:
>
On Thu, 11 Apr 2024 08:15:07 -0700, John Larkin
<jjSNIPlarkin@highNONOlandtechnology.com> wrote:
>
On Thu, 11 Apr 2024 16:16:20 +0200, Jeroen Belleman
<jeroen@nospam.please> wrote:
>
On 4/11/24 14:58, Cursitor Doom wrote:
On Thu, 11 Apr 2024 09:50:14 +0200, Jeroen Belleman
<jeroen@nospam.please> wrote:
>
On 4/10/24 23:42, Cursitor Doom wrote:
On Wed, 10 Apr 2024 23:11:53 +0200, Jeroen Belleman
<jeroen@nospam.please> wrote:
>
On 4/10/24 19:02, Cursitor Doom wrote:
Gentlemen,
>
This is an exam question that trips up even some of the best
students.
See what you make of it!
>
Q: Is this statement correct: 'The signal level at the modem input
increased by 2dBmV going from +3dBmV to +5dBmV.'
>
Your pal, CD.
>
Haven't we had a discussion about this already some four years ago?
Weren't you Don Kuenz then?
>
Jeroen Belleman
>
I don't recall any such discussion and no, I'm not Don Kuenz either.
>
Allright then. The statement is wrong. An increase is in dB, not
in dBmV.
>
>
Nice, unequivocal answer there, Jeroen; many thanks.
>
If you really want to open a can of worms, consider what might
happen when you *add* a 2dBmV and a 3dBmV signal together.
>
The sum could be 1 dBmV.
>
If out of phase, or
>
If taught by the Nu Mathematics.
>
What is -2 volts in dBmV?
>
Probably unhandled exception in log function or something like that :)
A Complex Metaphysical Conundrum
Re: A Complex Metaphysical Conundrum
