[time-nuts] Why are 1PPS signals so skinny?

[Azelio Boriani]

Feed a 5V 1Hz square wave into a 50OHM load and look at the power drain. Do
the same with a 100uS pulse and smile at the difference.

On Mon, May 14, 2012 at 5:23 PM, Mark Sims <holrum at hotmail.com> wrote:

>
> My first inclination,  if I were building a timing receiver,  would be to
> make the PPS output a nice,  symmetrical square wave.   But pretty much all
> GPS timing receivers output an anorexic,  dinky little heroin addicted
> supermodel sized pulse (from 1 to 150uS wide is typical).
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