>I don't have the begining of this message string but. It may be possible to
>create this by using the propagation delay of a logic gate(s). e.g. using
an
>AND gate, simply connect both inputs together and your output will be your
>input delayed by the propogation time.

The trouble is that he only needs the delay in the turn-on direction, it
will need to turn off immediately. The usual way to do this is with an AND
gate which has a very short RC time constant between the inputs. The input
directly connected to the control signal turns the output off immediately,
and the RC delay on the other input provides the delay that stops both
inputs going to the true state simultaneously, and hence the output is
delayed slightly before going true.

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