Path: ...!weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Cursitor Doom Newsgroups: sci.electronics.design Subject: Re: A Complex Metaphysical Conundrum Date: Thu, 11 Apr 2024 16:20:28 +0100 Organization: A noiseless patient Spider Lines: 46 Message-ID: <0svf1jlfc6c9628bmu16psve0lok99cb4b@4ax.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Date: Thu, 11 Apr 2024 17:20:29 +0200 (CEST) Injection-Info: dont-email.me; posting-host="3ee569d00c4084ce2e4c35b0d486ea2c"; logging-data="1852869"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/4F8sDtYwBPybjbpFTafSIXzaA4nw7Kcs=" User-Agent: ForteAgent/8.00.32.1272 Cancel-Lock: sha1:4QbF+jJ7NmQfJzF8OC9BgZrNzb4= Bytes: 2671 On Thu, 11 Apr 2024 08:15:07 -0700, John Larkin wrote: >On Thu, 11 Apr 2024 16:16:20 +0200, Jeroen Belleman > wrote: > >>On 4/11/24 14:58, Cursitor Doom wrote: >>> On Thu, 11 Apr 2024 09:50:14 +0200, Jeroen Belleman >>> wrote: >>> >>>> On 4/10/24 23:42, Cursitor Doom wrote: >>>>> On Wed, 10 Apr 2024 23:11:53 +0200, Jeroen Belleman >>>>> 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.