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Useful EE Links and Search Engines

by berkeman
Tags: engines, links, search
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berkeman
#1
May19-09, 06:29 PM
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I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for folks to post useful links. The links should be to technical content, and not to paid services.

Good free datasheet search engine: http://www.datasheetpro.com/

Good way to check for availability of chips and other parts: http://www.findchips.com/

Good parametric search capabilities (and to order parts): http://www.digikey.com/

Similar to Digikey: http://www.mouser.com/

US Patent Office Database Search Engine: http://patft.uspto.gov/

Google+Mathematica on steroids -- Wolfram Alpha (W|A): http://www.wolframalpha.com/

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waht
#2
May19-09, 06:50 PM
P: 1,636
Beginner electronics

Beginner projects, tutorials, schematics: http://www.hobbyprojects.com/

Various schematics: http://www.electronics-lab.com/index.html

More simple schematics: http://www.sentex.ca/~mec1995/gadgets/gadgets.htm



Lectures


MIT "Circuits and Electronics:" http://www.youtube.com/watch?v=AfQxyVuLeCs



Radio Frequency



Amateur radio: www.arrl.org

Interesting articles on rf/microwave: http://www.microwaves101.com/

More advanced: http://www.mwrf.com/

Latest developments: http://rfdesign.com/

Heavy on ads, but comprehensive: www.rfcafe.com

Quick air core inductor calculator: http://www.daycounter.com/Calculator...lculator.phtml
m.s.j
#3
Aug2-09, 12:05 AM
P: 219
Power engineering conceptual discussions

http://electrical-riddles.com

ranger
#4
Aug19-09, 06:17 PM
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P: 1,684
Useful EE Links and Search Engines

https://www-a.ti.com/apps/samp/basket.asp - Request TI samples. Also read their FAQ

http://discovercircuits.com/ - All the circuit schematics you will ever need to see theory in action.
jachyra
#5
Aug19-09, 10:06 PM
P: 23
Awesome Java applets of circuits:

http://www.falstad.com/circuit/e-index.html

Go here, and follow instructions if your browser has trouble running the applets:
http://www.falstad.com/circuit/
seouldavid
#6
Nov3-09, 03:49 AM
P: 116
Audio and Video Lectures in Electronics and Electrical Engineering

This provides a good collection of links to audio/video courses and lectures in electronics and electrical engineering from colleges/universities around the world.

http://www.infocobuild.com/education...gineering.html

The courses and lectures include electromagnetics, circuits and electronics, microelectronic circuits, digital electronics, analog/digital integrated circuits, VLSI design, digital signal processing, digital communication, nanoelectronics, power electronics, and more.
shockvalue
#7
Dec8-09, 10:46 AM
P: 6
Quote Quote by berkeman View Post
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for folks to post useful links. The links should be to technical content, and not to paid services.

Good free datasheet search engine: http://www.datasheetpro.com/

Good way to check for availability of chips and other parts: http://www.findchips.com/

Good parametric search capabilities (and to order parts): http://www.digikey.com/

Similar to Digikey: http://www.mouser.com/

US Patent Office Database Search Engine: http://patft.uspto.gov/

Google+Mathematica on steroids -- Wolfram Alpha (W|A): http://www.wolframalpha.com/

.
This is a great thread but let me chime in not necessarily about datasheet search engines but how to get your datasheets picked up by Google, Yahoo and Bing.

When creating or updating your .pdf document (this is the preferred format for most datasheets), you go into the meta data field and enter an appropriate title, description and keywords for the datasheet you would like the search engines to index.

The title is most important. For example, if you are creating or updating an Xray Generator component, the Title would be "Xray Generator and Power Source - Joeblow.com"

The description should be completely relevant, for example: "The xray generators and power sources found on joeblow.com feature ct scanners, security scanners and nuclear medicine devices."

Finally, the keywords would be "xray generator, power source, ct scanner, security scanners, nuclear medicine devices, joeblow"

This is a simplistic view but most data sheets are very technical but always try to put in the title, description and keywords those terms that your larger audience will search on and your datasheets will appear at the top of the search engines and/or will be indexed rapidly.

The above named process is referred to as SEO or search engine optimization, which is the tailoring of your web page or web component so that they will be treated favorably when your website is crawled and indexed. I hope this helps.
shockvalue
#8
Jun4-10, 02:38 AM
P: 6
Quote Quote by shockvalue View Post
This is a great thread but let me chime in not necessarily about datasheet search engines but how to get your datasheets picked up by Google, Yahoo and Bing.

When creating or updating your .pdf document (this is the preferred format for most datasheets), you go into the meta data field and enter an appropriate title, description and keywords for the datasheet you would like the search engines to index.

The title is most important. For example, if you are creating or updating an Xray Generator component, the Title would be "Xray Generator and Power Source - Joeblow.com"

The description should be completely relevant, for example: "The xray generators and power sources found on joeblow.com feature ct scanners, security scanners and nuclear medicine devices."

Finally, the keywords would be "xray generator, power source, ct scanner, security scanners, nuclear medicine devices, joeblow"

This is a simplistic view but most data sheets are very technical but always try to put in the title, description and keywords those terms that your larger audience will search on and your datasheets will appear at the top of the search engines and/or will be indexed rapidly.

The above named process is referred to as SEO or search engine optimization, which is the tailoring of your web page or web component so that they will be treated favorably when your website is crawled and indexed. I hope this helps.
Quote Quote by peterjones View Post
Hey thanks for such a great post!!!!
Thanks Peter. The high voltage power supply company of Spellman High Voltage has some examples of this search engine optimization, which I referred to earlier. Their website,

http://www.spellmanhv.com gives examples and if you go to their products page, they have hundreds of datasheets:

http://www.spellmanhv.com/Products/C...plication.aspx

Hope you find this useful.
berkeman
#9
Jan20-11, 07:21 PM
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berkeman's Avatar
P: 41,098
Wire size info:

http://en.wikipedia.org/wiki/American_wire_gauge

.
shockvalue
#10
Jan20-11, 10:14 PM
P: 6
Quote Quote by berkeman View Post
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for folks to post useful links. The links should be to technical content, and not to paid services.

Good free datasheet search engine: http://www.datasheetpro.com/

Good way to check for availability of chips and other parts: http://www.findchips.com/

Good parametric search capabilities (and to order parts): http://www.digikey.com/

Similar to Digikey: http://www.mouser.com/

US Patent Office Database Search Engine: http://patft.uspto.gov/

Google+Mathematica on steroids -- Wolfram Alpha (W|A): http://www.wolframalpha.com/

.
Hi Mr. Berkeman,

I found your links very useful, especially the wolfram alfa. The latest and greatest search engine initiative(s) are in the mobile web arena. Bookmarking from pda's or smartphones is in it's infancy but the search engines are looking for these links. The best way to do this is to have a website with a favorite links section or buttons for facebook, twitter, etc on the page. (See the example at the top of the homepage on http://www.spellmanhv.com/ ). Clicking on these links and having an account allows one to bookmark the associated website via mobile, which gives good credible links to that website.

Your thoughts?
berkeman
#11
Jan20-11, 11:57 PM
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berkeman's Avatar
P: 41,098
I'm not up on the mobile web arena yet (just about to upgrade), so I appreciate you posting about it.
mdjensen22
#12
Jan21-11, 08:21 AM
P: 161
EEM is a pretty good one for finding inventory and other relevant product data.

www.eem.com

It requires registration, but, among other things, allows you to search a part number to see what distributors have inventory.

One nice thing is if you search a root part number, it will list all the extensions of that part for you to select.

For example, I did an inventory search for CY8C21534 and it came up with the 5 different extensions of that part. Select whatever one you want and the inventory will be listed.
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Windadct
#13
Feb22-11, 02:22 PM
P: 564
Hello All - just joined - surprised no one has Linear Tech's free - really free - SPICE ( LTSPICE)

http://www.linear.com/designtools/software/
Topher925
#14
Mar4-11, 04:23 PM
Topher925's Avatar
P: 1,672
A "shootout" for many common multimeters in the $50 and $100 range.

$50 - http://www.eevblog.com/2010/06/04/ee...eter-shootout/

$100 - Part 1 - http://www.eevblog.com/2010/07/11/ee...i-t-part-1of2/

Part - 2- http://www.eevblog.com/2010/07/11/ee...i-t-part-2of2/
hisham.i
#15
Apr16-11, 12:19 PM
P: 177
C programing for pic micro-controller using ccs compiler forum..i real benefit a lot from

http://www.ccsinfo.com/forum/index.php
Oberst Villa
#16
Dec21-11, 02:17 PM
P: 145
At Educypedia you can find an incredible amount of links about all areas of electronics:

http://educypedia.karadimov.info/ele...icaopening.htm

But many of the comments for the links are rather short. So it is not always clear which of the links are the best, and you have to spend some time going through all of them if you don't want to miss the best stuff.
Oberst Villa
#17
Dec21-11, 02:30 PM
P: 145
Oscilloscope and probe tutorials (introductions and more advanced material):

http://www.wisewarthog.com/electroni...oductions.html

From Tektronix, Agilent, BK Precision and the classic app note AN47 by the late Jim Williams



Videos:

DSO tutorial, discussing the fundamental specs - http://www.eevblog.com/2009/06/17/ee...cope-tutorial/

Comparison (and general criticism) of 3 PC-based DSOs (2009) - http://www.eevblog.com/2009/06/17/ee...pe-comparison/

A plea for the (2nd hand) analog scope - http://www.eevblog.com/2010/05/11/ee...oscope-please/

Trigger holdoff tutorial, quite detailed - http://www.eevblog.com/2011/03/30/ee...doff-tutorial/
Studiot
#18
Dec21-11, 02:32 PM
P: 5,462
There are a good few here too.

http://forum.allaboutcircuits.com/showthread.php?t=9538


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