🚀 go-pugleaf

	
	I'd Guess it's something to do with minimising Electromagnetic
	Interferance (EMI).

	As I recall (this is from a year or so back so please tolerate any
	errors of menmory) as the clock frequency of a board (or bandwidth
	in the case of analogue) increases the more prone to EMI they become
	and the more EMI they generate.

	This is the reason for the use of Ground planes on fast analogue boards
	and the use of microstrip board (though problems with stray capacitence
	and inductance does have a deal to do with it.

	If the above is wrong blame my electromagnetics lecturer as this is just
	what he told us OK! :-)

-- 
				Stephen Booth

--

   |----------------------------------------------------------------------|
   | University of Keele, Keele       |            u9a36@uk.ac.keele.seq1 |
   | All normal disclaimers apply     |            u9a36@seq1.keele.ac.uk |
   |----------------------------------------------------------------------|

                        STOP CAPITAL PUNISHMENT NOW