Re: 3 dB bandwidth

Guy Macon wrote:

> Adrian Tuddenham wrote:
> >
> >Guy Macon <_see.web.page_@xxxxxxxxxxxxxxxxxx> wrote:
> >
> >> The formula for calculating power decibels is:
> >>
> >> Po
> >> G = 10 log10 ----
> >> Pi
> >>
> >> Where
> >> G = Gain in dB
> >> Po = Power output from the device
> >> Pi = Power input to the device
> >
> >That is the formula for calculating decibels, decibels are defined with
> >respect to power.
> >
> >
> >> The formula for calculating voltage decibels is:
> >[...]
> >
> >There is no such thing as a 'voltage decibel' so please avoid using the
> >expression, it can only lead to confusion and sloppy thinking.
>
> I agree 100%. I was trying to accomodate the existing sloppy
> thinking of certain ignorant induhviduals, but I see now that doing
> so was a mistake; they just run in cyircles shouting "0.5 is -6dB!
> 0.5 is -6dB!" and flaming anyone who tries to educate them.
>
> Thank you for the excellent advice.

Hahahahahahaha ! You got caught with your pants down and instead of blushing
and going away quietly you simply continued broadcasting your insanity all
over the place !

Aren't you the guy who took over *moderating* an ng recently ?

God help whoever posts there !

Graham


.

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