Technical Papers

This page provides a single location to browse through many of DTI's technical papers. As we publish new technical documents they will be included here with links on the appropriate application pages. Click on the paper's title or on the icon at the end of the description to view and download a copy of the document in PDF format. Paper topics include radar, high energy physics, power conversion, pulsed electric field processing, and plasma ion implantation. Be sure to browse our product information page for additional documents on these topics.

Radar

Solid-State Upgrade for the Cobra Judy S-Band Phased Array Radar - Five page technical paper describing DTI's new transmitter developed for the Cobra Judy S-Band radar. Presented at the 2006 IEEE Radar Conference. (409 kb)

Improving VED Transmitter Reliability - Two page technical paper describing the role of solid-state technology in improving the overall reliability of VED systems. (181 kb)

High Performance Solid State Radar Modulators - A four page technical paper summarizing several of DTI's radar modulator upgrades. Presented at the 2005 Pulsed Power Conference. (700 kB)

Improvements in Radar Transmitter Performance and Reliability Using High Voltage Solid-State Modulators and Power Supplies - This eight page paper, presented at the IEEE Radar 2002 Conference, describes DTI's work in solid-state radar retrofits and new transmitters, and how DTI's technology can benefit a range of radar technologies. (349 kb)

Solid State Radar Modulators - Four page, technical paper describing the application of DTI's technology to the Navy's AN/SPG60 radar system and the Naval Research Laboratory's 94 GHz gyroklystron. The benefits of solid state technology are highlighted. This paper was presented at the 24th International Power Modulator Symposium 2001. (3.4 MB)

High Energy Physics

Solid-State Transmitter for a 2 MW Klystron - A three page paper presented at the 2011 Particle Accelerator Conference describes the structure of a transmitter system built and recently installed by DTI to support a 2 MW klystron. The transmitter consists of two HV power supplies, cap bank, modulator (opening switch) and controls. (112 kB)

Affordable, Short Pulse Marx Modulator - Paper describes the architecture of a 100 kV - 500 kV, 500 A, 0.2 - 5.0 µs risetime modulator based on a novel Marx bank design. Presented at the 2011 Particle Accelerator Conference (52 kB) 3pp.

A Klystron Power System for the ISIS Front End Test Stand - Paper presented at the 2009 Pulsed Power Conference describes a DTI developed power system to drive a Toshiba E3740A klystron installed at the Rutherford Appleton Laboratory (UK) in December 2008. (134 kB)

Solid-State Tetrode Test Stand - Describes a 500 kW DC test stand developed by DTI and installed at Burle Industries, Lancaster, PA in March 2009. The test stand is used to evaluate tetrodes for the Rutherford Appleton Laboratory's (UK) ISIS system. (139 kB)

Modular Multipurpose Amplifier - Three page paper presented at the 2009 Particle Accelerator Conference describing a cost-reduced RF amplifier design that can produce outputs at different frequencies by changing the output tube and drive amplifier, while retaining common power supplies, communication, and controls. (141 kB)

Long Pulse Marx Bank Modulator for the ILC - Three page paper presented at the 2009 Particle Accelerator Conference describing DTI's recent progress in the development of a high power, long pulse (140 kV, 160 A, 1.5 ms) Marx modulator for the International Linear Collider (81 kb).

Marx Bank Technology for Accelerators and Colliders- Four page paper presented at the 2008 European Pulsed Power Conference describing DTI's work in developing long-pulse and short-pulse solid-state modulators suitable for a wide range of high energy applications (100 kb).

Solid-State Pulsed Power Systems - Four page technical paper describes the basics of DTI's high power, solid state systems. Explains operation and benefits of our PowerMod™ line of modulators and power supplies. (340 kb)

Solid-State Modulators for the International Linear Collider-A three page paper describing DTI's "hard switch" and Marx bank topologies for modulators that can meet the requirements for the International Linear Collider. Paper was presented at the 2006 Power Modulator Conference. (163 kb)

A Solid State 2 MW Klystron Power Control System-A four page technical paper describes the use of DTI's technology in the development of a solid state opening switch. The switch is part of a complete klystron power supply system delivered to the Advanced Photon Source at Argonne National Lab. This paper was presented at the 2005 Particle Accelerator Conference. (196kb)

A 500 kV Power System for a Gridded Sheet Beam Klystron -Four page paper describing DTI's design of the power electronics for the sheet beam klystron at SLAC. The electronics include a 500 kV multiplier power supply, a 10 kV grid modulator, a multi-concentric high voltage cable and an advanced, re-entrant interface between the cable and the klystron. (579 kb)

Solid State Modulator for Klystron/Gyrotron Conditioning, Testing, and Operation - A four page technical paper describes the use of DTI's 140 kV, 500 A switch for testing of high voltage klystrons and gyrotrons. Presented at the 2000 International Power Modulator Symposium (266 kb)

A Review of Solid State Modulators - This paper, written by E.G. Cook of Lawrence Livermore Laboratory, is a thorough review of the current state-of-the-art in solid state modulators.

Power Conversion

Solid State High Frequency Power Converters - A five page paper describing DTI's design of a compact, high frequency (60 Hz -400 Hz) solid state power conversion switch for use in several defense applications. (108 kb). This paper was presented at PES 2003.

Solid State High Voltage DC Power Distribution & Control-Eight page technical paper describes how high power, solid state DC switches can provide lower cost, more efficient power distribution than traditional methods. A scenario for large scale power distribution to klystrons is presented. (948kb)

A Solid State Switch for 13.8 kV Power Distribution - A ten page paper describing the application of DTI's high voltage switching technology to utility power distribution. (289 kb)

Pulsed Electric Field Processing (PEF)

Scaleup of PEF Systems for Food and Waste Streams - A four page paper describing the application of large scale pulsed electric fields to the sterilization of foods and treatment of wastewater. Presented at the 3rd Innovateive Food Centre Conference, October 2006. (140 kb)

Pulsed Electric Field Processing-A two page article appearing in the January 2006 issue of Food Technology magazine provides an overview of the current status of PEF processing. .You can read more about food technology at the website of the Institute of Food Technologists or by purchasing the book Case Studies in Novel Food Processing Technologies: Innovations in Processing, Packaging, and Predictive Modeling , in which DTI has written a chapter explaining the details of pulsed electric field processing.

Pulsed Power Systems for Food and Wastewater Processing-A four page paper presented at the 2002 European Pulsed Power Conference describing the use of Pulsed Electric Fields in the sterilization of liquid foods and bacterial reduction in wastewater. (387 kb)

Solid-State Power Systems for Pulsed Electric Field Processing - A four page paper presented at the 2005 Pulsed Power Conference describing pulsed electric field processing systems, including their pulsed power electronics and treatment chambers. (574 kb)

Plasma Ion Immersion Implantation (PIII)

Solid-State Modulators For PIII Applications-A fourteen page color technical paper detailing use of DTI systems in Plasma Ion Implantation Systems. Includes discussion of the high power variables affecting the design of these systems.(267kb)

Additional Modulator Applications

Fast Pulser for High-Altitude Igntion Research - A four page technical paper presented at the 2011 Pulsed Power Conference describing the use of a fast ignition pulser designed to reignite jet engines that flame out at high altitude. (150 kb)