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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:

AirplanesAndRockets.com

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

Color Code Charts
August 1972 Popular Electronics

August 1972 Popular Electronics

August 1972 Popular Electronics Cover - RF CafeTable of Contents

Wax nostalgic about and learn from the history of early electronics. See articles from Popular Electronics, published October 1954 - April 1985. All copyrights are hereby acknowledged.

Here is one of the most complete component color code charts that I have seen. It covers resistors, capacitors, and inductors for EIA, JAN, and commercial standards. If you are reading this, you have almost certainly memorized the color / number correlation (BBROYGBVGW = 0123456789, respectively) and know how to read a regular carbon resistor's code for resistance and maybe even tolerance. However, if you encounter a capacitor with an array of colored dots or a component with 5 colored bands, are you sure how to read it? This handy-dandy chart will help. Or, you probably have an app on your phone that will do the same thing.

Color Code Charts

Color Code Charts, August 1972 Popular Electronics - RF Cafe

 

 

Posted July 13, 2017

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