Sujet : Re: A Complex Metaphysical Conundrum
De : jeroen (at) *nospam* nospam.please (Jeroen Belleman)
Groupes : sci.electronics.designDate : 12. Apr 2024, 08:56:51
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <uvapg8$28244$1@dont-email.me>
References : 1 2 3 4
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On 4/12/24 08:15, Jasen Betts wrote:
On 2024-04-11, Cursitor Doom <cd@notformail.com> wrote:
On Thu, 11 Apr 2024 06:38:30 -0000 (UTC), Jasen Betts
<usenet@revmaps.no-ip.org> wrote:
>
On 2024-04-10, Cursitor Doom <cd@notformail.com> 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.
>
db is a logarythmic ratio. an increase from +3dBmV to +5dBmV is an increase by 2dB
(not 2dBmV)
>
Adding 2dBmV to +3dBmV will not get you +5dBmV because it's a
logarythmic scale.
>
The question does require a "correct/incorrect" answer. It's a binary
choice. Your answer is....?
My answer is still "db is a logarythmic ratio. an increase from +3dBmV to +5dBmV is
an increase by 2dB"
It's "logarithmic".
Jeroen Belleman
A Complex Metaphysical Conundrum
Re: A Complex Metaphysical Conundrum
