Article: Washington Inventors Develop Vacuum Tube Replacement Device

Article: Washington Inventor Develops Vacuum Tube ...
US Fed News Service, Including US State News;  August 12, 2008 ;     463 words ... ... state implementation of a vacuum tube replacement device. The system may ... and other functions. The vacuum tube replacement device is pin-for-pin ... pin configurations. The vacuum tube replacement device system architecture ...

Article: South Korean Inventor Develops Vacuum-Tube ...
US Fed News Service, Including US State News;  April 26, 2008 ;     589 words ... ... has developed an output circuit of a vacuum-tube amplifier. According to the U.S ... An output circuit of a conventional vacuum-tube amplifier has shortcomings that a front ... node, a bias voltage of a cathode of a vacuum tube is varied in response to an input signal ...

Article: Vacuum tube and iPod pair up for a warm duet
International Herald Tribune;  April 16, 2007 ;     700+ words ... ... tubes offer. Guitar heroes favor vacuum-tube amplifiers in their instruments ... recording engineers tend to use vacuum-tube equipment in their studios ... technology consultant, ''a vacuum tube can deal with the degradation ...

Article: Vacuum Tube
UXL Encyclopedia of Science;      700+ words ...Vacuum tube A vacuum tube is a hollow glass cylinder from which as much air as possible has ... and the anode, or positive electrode. Current flows within a vacuum tube from the cathode, which has an excess of electrons, to the anode ...

Article: SCIENCE: MICROELECTRONICS;Vacuum Tube Is Back, But ...
The Washington Post;  September 4, 1989 ;     700+ words ... ... microelectronics, the old-fashioned vacuum tube seems a quaint relic. The ungainly ... lightbulbs and about as hot. But the vacuum tube is back. Only now it is so small one ... in the earliest computers-the old vacuum tube was largely relegated to the scrapheap ...

Article: The Vacuum Tube: 1895 Tool for Planes, 1995 Tool ...
The Washington Post;  April 11, 1995 ;     581 words ... ... up a Federal Aviation Administration vacuum tube. "Good, solid 1895 technology ... President Gore, for example, showed his vacuum tube to Gingrich and other House Republicans ... tubes," Lipsett said. Although the vacuum tube makes a great prop for critics of federal ...

Article: The tri-service program. (The Navy's Role in the Vacuum ...
Microwave Journal;  March 1, 1992 ;     700+ words ... ... conflict led to a veritable explosion in vacuum tube electronics R&D in the 1950s ... vigorous, intense military investment in vacuum tube electronics R&D came to an end ... of-the-art technology base in vacuum tube electronics has blunted this essential ...