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Day in Engineering History Archive - December 16

| Jan | Feb | Mar | Apr | May | Jun |
| Jul | Aug | Sep | Oct | Nov | Dec |

Note: These historical tidbits have been collected from various sources, mostly on the Internet. As detailed in this article, there is a lot of wrong information that is repeated hundreds of times because most websites do not validate with authoritative sources. On RF Cafe, events with hyperlinks have been verified.
Please submit significant historical events and dates for inclusion in these lists. I will be glad to include your name and birthday. Please do not submit your death date ;-)
A couple years ago, I began commemorating the birthdays of notable people and events with special RF Cafe logos. Where available, I like to use images from postage stamps from the country where the person or event occurred.

December 16

World's 1st Transistor Created.  Please click here to visit RF Cafe.    Battle of the Bulge.  Please click here to visit RF Cafe.

1907: The first U.S. radio broadcast of a singer featured Eugenia Farrar, as transmitted by Lee De Forest from the Brooklyn Naval Yard. 1912: The first U.S. postage stamp to depict an airplane was a 20-cent Parcel Post stamp that used a biplane carrying mail. 1944: The Battle of the Bulge began in Belgium, and was the final major German counteroffensive in the war. 1945: Giovanni Agnelli, founder of the Fiat (Fabbrica Italiana Automobili Torino) automobile company, died. 1947: The transistor was invented by American physicists John Bardeen, Walter H. Brattain, and William Shockley. 1954: Synthetic diamonds were produced at General Electric Research Laboratories. 1979: The first rocket vehicle to break the sound barrier on land reached 739.7 mph on a 3-mile test-strip at Rogers Lake, Edwards Air Force Base, CA. 1997: 700 children in Japan were hospitalized after a televised cartoon triggered a condition called "Nintendo epilepsy.


RF Cafe Software

RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

Smith Chart™ for Excel
Smith Chart™ for Visio
RF & EE Symbols Word
RF Stencils for Visio

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