Path: ...!2.eu.feeder.erje.net!feeder.erje.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail From: "Edward Rawde" Newsgroups: sci.electronics.design Subject: Re: A Complex Metaphysical Conundrum Date: Thu, 11 Apr 2024 11:58:02 -0400 Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com) Lines: 97 Message-ID: References: <76nf1j9j04rknbh5kgta74nteeeht3303n@4ax.com> Injection-Date: Thu, 11 Apr 2024 15:58:03 -0000 (UTC) Injection-Info: nnrp.usenet.blueworldhosting.com; logging-data="48107"; mail-complaints-to="usenet@blueworldhosting.com" Cancel-Lock: sha1:sFv8N3ehT1PdI+jgA0IkUWYzSl0= sha256:bam3xF4bGO6Ls9PESuosZ8unLeL3rVY7afjHwEnATqE= sha1:Jp+aTZdPAfRo/lNGnfigrY/D67M= sha256:GRcIpej9L6+ADKbgcnbnyBiSHXuCfcD5hihAlG0nPkI= X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-Priority: 3 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-MSMail-Priority: Normal X-RFC2646: Format=Flowed; Original Bytes: 4865 "Cursitor Doom" wrote in message news:76nf1j9j04rknbh5kgta74nteeeht3303n@4ax.com... > On Wed, 10 Apr 2024 21:10:59 -0400, "Edward Rawde" > wrote: > >> >>"Cursitor Doom" wrote in message >>news:cs4e1j5ohhb7fpcmnft14ad6pv66jtvi34@4ax.com... >>> On Wed, 10 Apr 2024 18:18:21 -0400, "Edward Rawde" >>> wrote: >>> >>>>"Cursitor Doom" wrote in message >>>>news:i52e1j9ctjqi1k1m9ej1aid2493foetnsq@4ax.com... >>>>> On Wed, 10 Apr 2024 16:11:39 -0400, "Edward Rawde" >>>>> wrote: >>>>> >>>>>>"john larkin" wrote in message >>>>>>news:v6sd1j1sr89ntc214dku5u5e04pks5toud@4ax.com... >>>>>>> On Wed, 10 Apr 2024 15:57:55 -0400, "Edward Rawde" >>>>>>> wrote: >>>>>>> >>>>>>>>"Cursitor Doom" wrote in message >>>>>>>>news:c6hd1jdjimga6ifo7b0kv7bqfj9750lbk3@4ax.com... >>>>>>>>> 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. >>>>>>>> >>>>>>>>Changing a signal level can be thought of as multiplying the signal >>>>>>>>by >>>>>>>>a >>>>>>>>constant. >>>>>>> >>>>>>> You can change something by adding, too. >>>>>>> >>>>>> >>>>>>I haven't looked at it in detail but a bit of playing with a search >>>>>>engine >>>>>>finds the question here: >>>>>>https://broadbandlibrary.com/wise-and-mighty-decibel/ >>>>>> >>>>> >>>>> Jeez, when I said, "No Googling" I didn't seriously think anyone here >>>>> would be dumb enough to need to actually do so! :-D >>>> >>>>I don't see any mention of any search engine in your first post. >>>> >>>>I tend to agree with John Larkin on this. >>>> >>>>If a student can use a meter to see that a signal which was 3 somethings >>>>is >>>>now 5 somethings (depending on what is being measured) then I give them >>>>a >>>>pass. >>> >>> So going back to the orginal question as stated, you're saying the >>> statement in quotes is *correct* then. Nice to have a straight answer. >> >>If you mean that do I think that something increases by 2 when it goes >>from >>3 to 5 then yes that seems reasonable to me. > > I'm afraid that's not exactly the question, though. > Here's what was asked again: > > Q: Is this statement correct: 'The signal level at the modem input > increased by 2dBmV going from +3dBmV to +5dBmV.' > > You've already nailed your colours to the mast with your opinion that > the statement is correct. Are you happy with that or would you like to > change your mind? What's wrong with the mind I already have? My opinion is in my first reply to you. Do the students who take this exam do any practical work or just sit in class? > > I'll be posting 'the answer' in about 5 hours' time for those who have > yet to stick their heads above the parapet and might be tempted to > participate. It's been a bit deafeningly quiet so far. ;-) > >> >>You can also multiply it by 5/3 to get the same effect if you want. I >>don't >>mind. >>