CK722 Germanium Transistor Construction Projects New Volume Index

50 YEARS of the CK722

A New Volume of Projects Featuring

the Most Famous Transistor Ever Made

If You Were an Electronics Hobbyist/Experimenter in the 1950s and 1960s, then You’ll Remember the Famous Raytheon

CK722 Germanium Transistor.

Here are Some Key Historical Milestones for the CK722:

Ø The CK722 was First Introduced in 1953, with Advertised Cost of $7.60 Each.

Ø The CK722 was the First Mass-Produced Transistor Available

to the General Public.

Ø CK722 Production Continued for Over a Decade, Into the mid-1960s.

Ø Over 150,000 Units Were Sold.

Ø The CK722 Was the First Transistor to Sell for Less than $1.00 (1956).

Ø The First Published CK722 Project (A Radio) Appeared in the February 1953

Radio & Television News Magazine.

Ø 100s of Circuits and Projects Using the CK722 were Published in Electronics Hobbyist/Experimenter Magazines in the 1950s and 1960s.

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Ø The 1^st Volume of the CK722 Transistor Applications Booklet was Published by Raytheon in 1955.

Ø Over 50 CK722 Projects Were Reprinted from Electronic Hobbyist Magazines of the Time.

Ø Over 120,000 Copies of This Booklet Were Sold.

Ø Did You Build a Project from this Famous Booklet?

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Ø Volume II of the Transistor Applications Booklet was Published by Raytheon in 1957.

Ø 21 Raytheon Transistor Projects Were Included.

Ø These are All Original Projects, Developed by Raytheon Engineers.

Ø The CK722 is Used, as Well as Other Newly Introduced Raytheon Transistors.

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AND NOW, COMING IN THE SUMMER OF 2003!!

“50 YEARS of the CK722”

A New Volume of Projects Featuring

the Most Famous Transistor Ever Made

Ø Takes Over Where Vol II Left Off.

Ø All New CK722 Projects from the 1970s, 80s, 90s

and the New Millenium.

Ø Complete Details on All Projects,

Including Construction Tips and Photos.

Ø Includes a “Brand New” Carl and Jerry

CK722 Adventure Story.

Ø Available Only From the CK722 Webpage at

http://www.ck722.com

Ø There is Still Time to Submit Your

Favorite CK722 Project to be Included in this

New Booklet. Contact me at

transistormuseum@aol.com

to Discuss Your Project.

Ø Check Out This Latest Submission From Ned Ely -

BLINKIE Uses Two Blue CK722s and Flashes Two Blue LEDS!

Use This Link to Visit Ned Ely’s BLINKIE

CHECK BACK OFTEN

“50 YEARS of the CK722”

Will Be Updated Frequently Until Publication in Summer 2003.

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50 YEARS of the CK722

A New Volume of Projects Featuring the Most Famous Transistor Ever Made