RF Cafe Software
About RF Cafe
1996 - 2022
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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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April 1967 Electronics WorldTable of Contents
People old and young enjoy waxing nostalgic about and learning some of the history of early electronics. Electronics World was published from May 1959 through December 1971. See all Electronics World articles.
April 1967 Vol. 77, No. 4
|Resistor-Selection Nomogram, by Sylvester Salva||29|
|Recent Developments in Electronics||30|
|New Q-Band Marine Radar, by Richard Humphrey||32|
|Time-Delay Relays, by Jerry E. Elpers||37|
|Reed Relays, by Roger L. Rosenberg||40|
|Arc, Surge, and Noise Suppression, by R.M. Rovnyak||46|
|Finding Relay Operate and Release Times, by Donald Ludwig||48|
|Operate and Release Times of Relays, by W. Warren Wright||54|
Posted February 7, 2012