RE: lug-bg: About modmes

[gashti_dolu@xxxxxxxxx (gggg ggg)]

ne neeee,
az napravih spravka za tezi neshta oshte predi da
popitam, no vaprosami e drug i pri tova dosta
prosti4ak:
kakvi sa normalnite stoinosti ot standarta na BTK za
razli4nite linii? za M1040 naprimer ,koiato veroiatno
vsi4ki vav tozi list polzvat?

georgi

--- Boyan Krosnov <bkrosnov@xxxxxxxxx> wrote:
> Hi,
> Pyrwo ne mojesh da merish nishto oswen otnoshenie na
> niwa, otnoshenie na
> moshtnosti i t.n. w dB
> 
> Mojesh da merish moshtnost w dBm koeto e neshto
> drugo, plz ne byrkajte tezi
> edinici.
> Mnogo modemi imat Margin pokazanie w dB koeto
> oznachawa otnoshenieto m/u
> tekushtata moshtnost na signala i moshtnostta
> dostatychna za osyshtestwqwane
> na nqkakwa wryzka izobshto.
> W decibeli mojesh da merish i zatihwane na liniq.
> 
> dB za otnoshenie na moshtnosti se smqta taka
> A[dB]=10*lg(p1/p2)
> za moshtnost
> P[dBm]=10*lg(p/1mW)
> 
> Regards,
> --
> Boyan Krosnov (http://www.nat.bg/~bkrosnov)
> Network Administrator
> Lirex BG Ltd. 
> 
> > -----Original Message-----
> > From: gggg ggg [mailto:gashti_dolu@xxxxxxxxx]
> > Sent: Friday, November 10, 2000 12:39 AM
> > To: lug-bg@xxxxxxxxxxxxxxxxxx
> > Subject: Re: lug-bg: About modmes
> > 
> > 
> > kato se zagovori za LL lines , niakoi da znae
> kakuv e
> > standarta na BTK v decibeli [dB] za LL , zashtoto
> imam
> > edna naeta s dve modem4eta,koito pokazvat
> sastoianieto
> > na liniata v decibeli ?
> > 
> > g.
> > 
> > 
> > > 
> > > > Nqkoj puskal li e wrazka po dwa modema po
> kabel
> > > (bez da minawa prez BTK 
> > > t.e.
> > > > centrala) direktno?
> > > 
> > > >
> > >
> >
>
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> > Otpiswaneto RABOTI !!! :
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> 

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