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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...

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Electrolytic Condenser "Blows Its Top"
January 1947 Radio News Article

January 1947 Radio News

January 1947 Radio & Television News Cover - RF Cafe

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Wax nostalgic about and learn from the history of early electronics. See articles from Radio & Television News, published 1919-1959. All copyrights hereby acknowledged.

Who among us has not purposely hooked up a power supply to an electrolytic capacitor and turned up the voltage until it popped? It was a ritual for new guys in the shop. Admittedly, the ones I've blown up were insignificant compared to the one shown in this photo where the staff at Daven Labs reproduced a test failure and was sure to be rolling film during the process. Hopefully, no one was in the room either time.

Electrolytic Condenser "Blows Its Top"

Technicians working quietly at their tasks at the Daven Laboratories in Newark, New Jersey were startled recently when an electrolytic condenser suddenly "blew its top." The can hit the ceiling with the speed of a bullet while paper and foil spiraled upward in a cloud of smoke. Walter Steinhard, Radio News Staff Photographer, re-produced the phenomena realistically with the original cast of parts.

Posted September 12, 2016

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Electrolytic Condenser "Blows Its Top"January 1947 Radio News Article

Electrolytic Condenser "Blows Its Top"
January 1947 Radio News Article