As part of an improvement project on the linear accelerator at SLAC, it was necessary to replace the original thyratron trigger generator, which consisted of two chassis, two vacuum tubes, and a small thyratron. All solid-state, fast rise, and high voltage thyratron drivers, therefore, have been developed and built for the 244 klystron modulators. The rack mounted, single chassis driver employs...

Various techniques for producing narrow pulse ( f 5 ns) modulation of millimeter wave tubes, such as extended interaction amplifiers, magnetrons, and traveling-wave tubes, are discussed. In order to achieve the narrow pulsewidth, the switch, pulse forming circuitry, as well as the tube interface, must satisfy very stringent requirements. In particular, the switch must operate at kilovolt (kV) l...

MECHANICAL . . . . . . . . . . . . . . 6 i. Transport . . . . . . . . . . . . . 6 ii. Connections . . . . . . . . . . . . 6 iii. Mounting . . . . . . . . . . . . . 6 iv. Storage . . . . . . . . . . . . . . 6 v. Shock and Vibration . . . . . . . . . . 6 ENVIRONMENTAL . . . . . . . . . . . . 6 i. EM Radiation . . . . . . . . . . . . 6 ii. Magnetic Fields . . . . . . . . . . . 6 iii. Atmospheric c...

Plasma Source Ion Implantation (PSII) is an emerging technology which can be used to harden metal surfaces in a conformal manner. North Star Research Corp. (NSRC) is building a unique implanter system for Empire Hard Chrome which will be the first truly commercial implanter of this type. The choice of pulsed power technology for this application is important from the standpoint of both reliabil...

I n 1958, the Institute of Radio Engineers awarded its Medal of Honor to Albert W. Hull. He was cited for his Boutstanding scientific achievement and pioneering inventions and development in the field of electron tubes.[ He spent most of his professional career in research and research management at the General Electric Research Laboratory in Schenectady, NY. He was the author of numerous techn...

Tacitrons[l,2J are triode gas-discharge tubes, similar in construction to thyratrons. The primary functional difference between a tacitron and a thyratron is that the tacitron is designed to be completely grid-controlled, whereas a thyratron has grid control only over ignition. Demountable cesium-barium (Cs-Ba) tacitrons have exhibited very low forward voltage drops in the range of a few volts,...