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April 1969 Radio-Electronics
Table of Contents

April 1969 Radio-Electronics

April 1969 Radio-Electronics Cover - RF Cafe[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio-Electronics, published 1930-1988. All copyrights hereby acknowledged.

April 1969

Vol. 40, No. 4

 

New & Timely Technical News 2
R-E Crossword Puzzler, by Edmund A. Braun 34
VDR's and Thermistors, by Sylvania Technical Staff 55
Variable-Voltage Tuning: How It Works, by Robert F. Scott 58
Technology-Themed Comics 66, 93, 94

 

April 1969 Radio-Electronics Table of Contents - RF Cafe
Modular Components - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2025
Webmaster: Kirt Blattenberger,
   BSEE - KB3UON - AMA92498

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 tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

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

My Daughter's Website: EquineKingdom