Sujet : Re: A Complex Metaphysical Conundrum
De : jeroen (at) *nospam* nospam.please (Jeroen Belleman)
Groupes : sci.electronics.designDate : 11. Apr 2024, 16:16:20
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <uv8rbq$1nod1$1@dont-email.me>
References : 1 2 3 4 5
User-Agent : Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0
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.
Granted, dBs weren't invented for making that easy.
Jeroen Belleman
A Complex Metaphysical Conundrum
Re: A Complex Metaphysical Conundrum
