DARPA sees future in vacuum tubes
16Aug

Millimeter wave vacuum tubes, including ones like the travelling wave tube (TWT) depicted here, amplify signals by exchanging kinetic energy in the electron beam (shown as a blue line) with electromagnetic energy (shown as a wave) in the signal

In today’s world, vacuum tubes or radio valves seem as dead as high button shoes and buggy whips, but DARPA sees them as very much the technology of the future. As part of a new program, the agency is looking to develop new tube designs and manufacturing techniques for use in tomorrow’s high-powered communications and radar systems.

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Section: Military

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Publicado el 16 de August del 2015
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