Crude Oil, shown in US$:
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CLICK for current US/Canadian Gas Prices Want to know the rated gas mileage for YOUR CAR? Go to this site (www.fueleconomy.gov ) for updated figures, all the way back to 1985! Uses the new rating system, so it's actually semi-realistic.
CLICK HERE for the un-skewed alternate data for M3, Inflation, etc. at ShadowStats.com. Scare Yourself.
Calculatoredge A wide range of on-line calculator tools for every engineering discipline.
CLICK to visit!
Visit e-Calc , for both on line and downloadable calculators, including unit converters and full scientific versions. Even the dreaded RPN entry is supported for you hp buffs. Very neat!
The Slide Rule Universe Click to VISIT or RETURN Websafe Hex Color Chart, CLICK for bigger PIC!
Ohms Law Chart CLICK for bigger PIC!
Warning Symbol, click for a larger one! Places to go in the Aviation World:
The Aircraft Electronics Association (AEA)
AEA/Avionics News Articles Walt's Finding It On The Web:
Jan/08: Test Bench Resources
Feb/08: Semiconductor Parts Info
Mar/08: Test Gear Support
Apr/08: Small Business Support
Walt's Feature Articles:
Jan/08-The World of RNP
Feb/08-The World of Night Vision, Part 1
Mar/08-The World of Night Vision, Part 2
Apr/08-Greening Your Business
Walt's Archived Articles at Avionics Magazine:
Click to see!
The Federal Aviation Administration (FAA-USA) Need a copy of AC43-13-1B? CLICK HERE ! See all downloadable AC's HERE .
International Civil Aviation Organization (ICAO)
Radio Technical Commission for Aeronautics (RTCA) Available Standards Documents
Transport Canada (AIR)
Just Plain Useful Information
Visit James Howard Kunstler's Site HERE . (author of The Long Emergency, The Geography of Nowhere)
Visit The New York Times Freakonomics Blog . (The Hidden Side of Everything)
Military Information
Defense Supply Center Columbus (DSCC) Mil standards and specs
Assistdocs.com - US Dept. of Defense DoD Document Search
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Marketplace Navigation
Go to the Auction Page
Go to the Slide Rule Books
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Marketplace Navigation
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Go to the New In The Box Slide Rules
Go to the New-In-Box Pickett Slide Rules
Go to the Pocket Slide Rules
Go to the -NEW- Slide Rule Cases
Go to the Slide Rule Parts
Useful Engineering Links
Semiconductor Data Sheet Archives
Datasheet4U Archive (by number) http://www.datasheet4u.com/
DataSheet Archive (by number) http://www.datasheetarchive.com/
DataSheet Catalog (by maker) http://www.datasheetcatalog.com/
Data Sheets (by number) http://www.datasheet.org.uk/
AllDataSheet (by number) http://www.alldatasheet.co.kr/
AllDataSheet (by number) http://www.alldatasheet.com/
Semiconductor Manufacturer Logos & IDs
Semiconductor Manufacturer Logos (by image)http://freespace.virgin.net/matt.waite/resource/logos/index.htm
Semiconductor Manufacturer Logos (by image)http://www.dialelec.com/semiconductorlogos.html
Semiconductor Manufacturer Logos (by image and name)http://www.elnec.sk/support/ic-logos/
Identifying Semiconductor SMD Parts By Type (by code markings, very useful for ID'ing unknown SMD parts!)http://www.tkb-4u.com/codes-and-markings/smd-codes-markings/database
Semiconductor Manufacturers
Analog Devices http://www.analog.com/en/index.html
Allegro http://www.allegromicro.com/
ASI -hp- 5082 Diodes http://www.advancedsemiconductor.com/diodes/5082/5082.shtml
Fairchild Semiconductor http://www.fairchildsemi.com/
International Rectifier (IR) http://www.irf.com/indexsw.html
Linear Technology http://www.linear.com/index.jsp
Maxim/Dallas http://www.maxim-ic.com/
Microchip Technology http://www.microchip.com/
MSK http://www.mskennedy.com/store.asp?pid=7943&catid=19680
National Semiconductor http://www.national.com/
ON Semiconductor http://www.onsemi.com/PowerSolutions/home.do
Philips/NXP http://www.nxp.com/index.html
Texas Instruments http://www.ti.com/
Vishay http://www.vishay.com/
Display Data
LCD Datasheets http://www.woe.onlinehome.de/e_lcddata.htm
Software Patches amd Updates
The Software Patch (windows and apps) http://www.softwarepatch.com/
Microsoft Windows (windows and apps) http://www.microsoft.com/windows/default.mspx
Shareware/Freeware Software
TUCOWS (windows and apps) http://www.tucows.com/
NONAGS (FREEWARE windows and apps) http://www.nonags.com/
LINUX Links (os and apps) http://www.linuxlinks.com/
Obscure Materials + Parts
Mu Metal (Magnetic Shielding) http://www.mumetals.com/index.html
Lighted Knobs (EHC Knobs) http://www.ehcknobs.com/
Magnetic Shields (Magnetic Shields Ltd.) http://www.magneticshields.co.uk/
Test Equipment Manual Sites
Agilent Manuals (type and model number) http://www.home.agilent.com/agilent/facet.jspx?lc=eng&cc=US&t=80039.k.1
Tektronix Manuals at BAMA (model number) http://bama.edebris.com/manuals/tek/
HP Manuals at BAMA (model number) http://bama.sbc.edu/hp.htm
Keithley Manuals (searchable) http://www.keithley.com/support/support
General Manuals at BAMA (maker, model number) http://bama.sbc.edu/
HP Journals (on-line editions) http://www.hpl.hp.com/hpjournal/past.htm
Tektronix Frame/Plug-in Reference Sites:
TM500 Modules http://www.caip.rutgers.edu/~kahrs/testeq/tm500.html
TM500/TM5000 Modules http://www.barrytech.com/tektronix/tektm500/tektm500.html
7000 Frames & Modules http://www.caip.rutgers.edu/~kahrs/testeq/7000.html
Test Equipment Manufactuer's Transitions
A few years ago in 1999, Hewlett Packard split into:
Hewlett Packard http://www.hp.com/ (computers and peripherals) and
Agilent www.agilent.com/ (Test Equipment and analytical equipment)
Which then in turn then divested the RF semiconductor portion in 2005 to:
Avago http://www.avagotech.com/
Danaher Corporation http://www.danaher.com/
Bought Tektronix www.tek.com/ (Test Equipment Manufacturer) in 2007
And had previously bought Fluke www.fluke.com/ (Test Equipment Manufacturer), which itself had previously acquired Wavetek (Test Equipment Manufacturer) which had merged with Datron (Test Equipment Manufacturer).
For added confusion,
The RF portion of Wavetek became Willtek Communications , which you can find here: http://www.willtek.com/english/
Prior to this, PMI/Pacific Measurements (Microwave Test Equipment) had been acquired by Wavetek , but those assets eventually wound up as part of Gigatronics (Microwave Test Equipment), who mercifully are still around here: http://www.gigatronics.com/
Long time avionics icon IFR (Avionics Test Equipment) and test equipment maker Marconi (RF Test Equipment) both became part of Aeroflex (Electronic Systems and Test Equipment) http://www.aeroflex.com/
Can't get what you need from the manufacturer, or is the manufacturer gone? Try these on line List Groups for help:
Here are some of the most popular groups:
Tektronix:
http://tech.groups.yahoo.com/group/TekScopes/
HP/Agilent: http://tech.groups.yahoo.com/group/hp_agilent_equipment/
Agilent: http://tech.groups.yahoo.com/group/agilent/
AILtech/Eaton/AIL: http://groups.yahoo.com/group/AILtech/
Manual Exchange: http://groups.yahoo.com/group/Manual_Exchange/
And, an interesting group that may prove useful to Avionics News readers:
Mode S: http://groups.yahoo.com/group/Mode_S/
Technical Resource Sites
SMD Soldering http://www.tkb-4u.com/index.php
Circuit Library http://www.electronics-circuits.com/cirdir/
RadioShack Catalogs From 1939 On http://www.radioshackcatalogs.com/catalog_directory.html
Z3801A/Z3816A GPS (resources) http://www.realhamradio.com/GPS_Frequency_Standard.htm
555 Timer (tutorials) http://www.uoguelph.ca/~antoon/gadgets/555/555.html
Op Amps (tutorials) http://www.uoguelph.ca/~antoon/gadgets/741/741.html
Op Amp Calculator http://www.pic101.com/opamp_calc.htm
LCD Panel Specs (maker/type) http://eio.com/datashet.htm
Free Programming Tools (Assembler/Basic/C++, etc.) http://www.freebyte.com/programming/
Connector/Cable Reference http://www.connectworld.net/connectors.html
Intro to Graphic LCDs (maker/type) http://www.geocities.com/dinceraydin/lcd/gfxintro.htm
DSCC Mil standards and documents (specs and docs) http://www.dscc.dla.mil/Programs/MilSpec/
Free Patents Online (Patent Search) http://www.freepatentsonline.com/
US Copyright Office (Copyright Info) http://www.copyright.gov/
US Patent and Trademark Office (Patent and Trademark Search) http://www.uspto.gov/
US Harmonized Tariff Schedule (categories and numbers) http://www.usitc.gov/tata/hts/bychapter/index.htm
Useful Suppliers
Digi-Key (CANADA) http://dkc1.digikey.com/ca/digihome.html
Digi-Key (USA) http://www.digikey.com/
Electronic Hardware Corp. http://www.ehcknobs.com/
EPCOS http://www.epcos.com/
Fastener Express http://www.fastener-express.com/
LEDtronics http://www.ledtronics.com/
Magnetic Circuit Elements http://www.mcemagnetics.com/
RAF Electronic Hardware http://www.rafhdwe.com/
Rose/Bopla Enclosures http://www.rose-bopla.com/
Tamura http://www.tamuracorp.com/
Semiconductor Company Name Changes
Having trouble figuring out who is who these days? No surprise, there have been so many buy-outs, divestitures and mergers, it's hard to know who's who in the semiconductor zoo these days. Her's a list of some commonly sought after makers.
Semiconductor makers that now appear to be totally gone from production: Philco, Delco, CBS, Sylvania, Westinghouse, Clevite, Bendix, Transitron, Tung-Sol, Hoffman Semiconductor. Please Correct me if I am wrong!
Electronics Magazines On-Line
EDN http://www.edn.com/
Electronic Design http://www.elecdesign.com/
Electronic Engineering Times (Asia) http://www.eetasia.com/
Electronic Products http://www.electronicproducts.com/
Elektor http://www.elektor-electronics.co.uk/
Everyday Practical Electronics (EPE) http://www.epemag.wimborne.co.uk/
Microwaves & RF http://www.mwrf.com/
Microwave Journal http://www.mwjournal.com/
Nuts and Volts http://www.nutsvolts.com/
RF Design http://www.rfdesign.com/
Resistor Color Codes
More useful color code and component data is located HERE and capacitor codes are HERE .
Great classic component color code chart from New Zealand!
CLICK for bigger PIC!
Places to go that are a bit beyond your normal daily stroll:
CLICK for a wonderful tour of our planetary system!
CLICK for data on our planetry system!
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