[SI-LIST] Re: Shive wave machine video
- From: <colin_warwick@xxxxxxxxxxx>
- To: <dudi@xxxxxxxxxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Tue, 10 Apr 2012 06:03:18 -0600
Hi Dudi,
Glad you enjoyed it. I'll post more when I find them.
I don't claim these are Shive's league by any means, but here is some shameless
self-promotion of my blog postings that aim to record some "A ha!" moment or
another:
* DFE
http://signal-integrity.tm.agilent.com/2012/decision-feedback-equalizer-beauty-is-in-the-eye/
* EM solvers
http://signal-integrity.tm.agilent.com/2010/maxwells-equations-primer/
* Causal time-domain models from frequency-domain info
http://signal-integrity.tm.agilent.com/2009/kramers-kronig-in-pictures/
* T-line form factors
http://signal-integrity.tm.agilent.com/2009/geometric-form-factor-for-transmission-lines/
* SPICE:
1)
http://signal-integrity.tm.agilent.com/2009/circuit-simulation-part-one-spice-turns-thirty-six/
2)
http://signal-integrity.tm.agilent.com/2009/circuit-simulation-part-two-how-various-components-and-analyses-are-handled/
* Wave propagation vs electron drift
http://signal-integrity.tm.agilent.com/2008/the-electron-the-tortoise-and-the-hare/
* Skin effect gadget
http://signal-integrity.tm.agilent.com/2008/skin-effect-crisis/
* Wavelength gadget
http://signal-integrity.tm.agilent.com/2008/microwave-crisis/
* NRZ spectrum nulls
http://signal-integrity.tm.agilent.com/2008/curious-nulls-in-the-nrz-spectrum/
Hope this helps!
-- Colin
-----Original Message-----
From: Dudi Tash [mailto:dudi@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, April 10, 2012 2:04 AM
To: WARWICK,COLIN (A-Americas,ex1); si-list@xxxxxxxxxxxxx
Subject: RE: Shive wave machine video
Hi Colin,
Thanks for sharing this video.
It's just great :)
Best Regards,
Dgtronix Ltd. I Founder & CEO I Dudi Tash
eFax: +972-3-7256490 I Mobile: +972-54-6345629 I Office: +972-9-9660967
www.dgtronix-tech.com
*This email contains confidential and proprietary information of Dgtronix Ltd.*
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of colin_warwick@xxxxxxxxxxx
Sent: Monday, April 09, 2012 4:25 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Shive wave machine video
Hi si-listers,
My friend Dick Benson shared this gem with me so I'd thought I'd pay it
forward. In this 1959 educational film, Dr. John N. Shive of Bell Labs uses the
Shive wave machine (a mechanical analog of wave propagation e.g. electrical
waves on a transmission line) to visualize:
* Positive and negative reflection of waves from free and clamped ends
* Superposition
* Standing waves, standing wave ratio, and resonance
* Energy loss by impedance mismatching
* Reduction of energy loss by quarter-wave and tapered-section transformers
It's a little longer (26 minutes) than most video clips but it's worth watching
the whole thing because he packs so much in it.
Here's the long link:
http://techchannel.att.com/play-video.cfm/2011/3/7/AT&T-Archives-Similarities-of-Wave-Behavior
..and a shortened one just in case:
http://bit.ly/HDF8Cn
Enjoy!
-- Colin Warwick
Product manager for High Speed Digital, Agilent EEsof EDA
Blog: http://Signal-Integrity.TM.Agilent.com
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