🚀 go-pugleaf

On Wed, 11 Jan 2012 10:43:15 -0800, John Larkin
<jjlarkin@highNOTlandTHIStechnologyPART.com> wrote:

>On Tue, 10 Jan 2012 18:02:50 -0800 (PST), Bill Sloman
><bill.sloman@gmail.com> wrote:
>
>>On Jan 10, 4:55�pm, John Devereux <j...@devereux.me.uk> wrote:
>>> Robert Macy <robert.a.m...@gmail.com> writes:
>>> > On Jan 10, 2:28�am,BillSloman<bill.slo...@ieee.org> wrote:
>>> >> On Jan 10, 7:47�am, "David L. Jones" <altz...@gmail.com> wrote:
>>>
>>> >> > Just thought some might be interested in hearing our recent guest on
>>> >> > our Amp Hour radio show, Dr Howard Johnson of "Handbook of Black
>>> >> > Magic" fame:http://www.theamphour.com/2012/01/10/the-amp-hour-77-winsome-waveform...
>>>
>>> >> > Lots of history of the book, signal integrity, Gigabit Ethernet
>>> >> > development, 90 degree PCB bends, audiophoolery, and a whole bunch of
>>> >> > other talk over almost 1 1/12 hours.
>>>
>>> >> "Black Magic" is more notorious than famous. I own both it and it's
>>> >> follow-up, and both have got some useful content but they are badly
>>> >> organised and what useful content they do contain is hard to find.
>>>
>>> >> The field is still waiting for a decent textbook on high speed circuit
>>> >> design and layout.
>>>
>>> >> This is one of the few matters on which John Larkin and I seem to
>>> >> agree.
>>>
>>> >> --
>>> >>BillSloman, Nijmegen
>>>
>>> > Perhaps, it is time for the first ever 'conference' book written by a
>>> > consortium of engineers/scientists.
>>>
>>> > Put my name in for proffreading. �:)
>>>
>>> Great idea. Perhaps John Larkin, Jim Thompson and Bill Sloman could
>>> collaborate on it.
>>>
>>> Sure that will work out well... :)
>>
>>I'm not sure what Jim Thompson might contribute. I've seen papers that
>>worry about the characteristic impedance of connections on the silicon
>>(or whatever) inside integrated circuits, 

Written by clueless PhD's trying the publish or perish route :-)

>>but I don't have the feeling
>>that Jim designs stuff that's big enough and fast enough for him to
>>need to know much about it.

What a fundamental fathead you are, Slowman.  Even Larkin knows I've
designed quite a bit of PECL.

I have chips out there, commercial successes, running at 5GHz.

>
>I get the impression that most interconnects inside ICs are primarily
>distributed R-C things, not real transmission lines at all.
>Propagation speed of interconnects is a big deal in routing fast logic
>chips, but the speed of light isn't the issue.
>
>>
>>Motorola's ECL applications notes on board layout were rather useful,
>
>Just don't trust their microstrip equation!
>
>John
		
                                        ...Jim Thompson
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| James E.Thompson, CTO                            |    mens     |
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