The Traveling-Wave Tube (TWT) is a high-gain, low-noise, wide-bandwidth microwave amplifier. It is capable of gains greater than 40 dB with bandwidths exceeding an octave. (A bandwidth of 1 octave is ...

Earlier this year, the James-Webb Space Telescope sent back to Earth some of the most detailed images of other galaxies. This was partly due to a Vacuum Electronics Device (VED) called the Travelling ...

CLEVELAND — Images from the moon will be sent to Earth with higher power and increased efficiency due to communications hardware provided by NASA’s Glenn Research Center. The hardware, called the ...

A traveling wave tube assembly used for Telstar. Unit contains a type 4041 tube. This packaged unit consists of a tube with its magnetic circuit and radio frequency couplers joined together to form a ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This device is a traveling wave tube ...

When the Apollo astronauts made their way to the Moon, their communication equipment had a transmission power of a mere 20 W, which the sensitive receivers back on Earth managed to pick up. But this ...