March 1969 Radio-Electronics
Table of Contents

March 1969 Radio-Electronics

[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.

March 1969

Vol. 40, No. 3

New & Timely: Superconductivity	2
Looking Ahead: Pay TV, by David Lackenbruch	2
News Breifs	6
Crossovers, Electrical or Electronic? Crossover Showdown, by Norman H. Crowhurst	32
You Can Build These 16 Speaker Enclosures, by Abraham B. Cohen	44
Electronics-Themed Comics	77
Noteworthy Circuit: Low-Noise Broadcast Antenna	94

Posted August 21, 2018

Crane Aerospace & Electronics (RF & Microwave) - RF Cafe

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...