On Sun, 14 Mar 2004 14:30:28 +1000, Tony wrote:

Even worse than that - relying on simple reasoning (no maths),
the 5th will be COMPLETELY suppressed when the input's rising
and falling edges are spaced so they correspond in time with the
SAME point in the 5th harmonic waveform,

Nicely put.

Something like Fourier analysis can be an equation that you can apply,
or a reality you can visualize. When it becomes "simple reasoning" is
when you truly understand it.

I suppose that if a being were infinitely intelligent, it wouldn't
need any math; everything would be obvious.

John