I would like to phase shift a square wave pulse train. Retard it by 90
degrees.

I can't seem to think of any way to do this. I had read that an or gate
would retard it some.
I'd need quite a few of them though and the shift would vary for
different frequencies.

Actually, I'm still trying to figure out how to multiply a clock pulse.
If I take my clock pulse, xor it with it's 90 degree retartded friend, I
would double my
original clock.

Just can't seem to figure out how I'm going to get "more" out of
something than what I'm putting in.
(similar project in the works concerning my wallet. that's not going so
well either):)

Erik



Nigel Orr wrote:
>
> At 06:22 20/05/99 -0500, you wrote:
> >I'm looking for a means of phase shifting a square wave clock pulse by
> >90 degrees.
>
> If it is a constant frequency, then just add a delay, of t/4, where t is
> the period of the pulse.
>
> If it could be some unknown frequency, it's more difficult- more details
> would be needed.
>
> Nigel