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Scientific Applications & Research Associates, Inc. SBIR Phase I Award, October 2021

A SBIR Phase I contract was awarded to SCIENTIFIC APPLICATIONS & RESEARCH ASSOCIATES in October, 2021 for $239,811.0 USD from the U.S. Department of Defense and United States Navy.

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Contents

AbstractTimelineTable: Further ResourcesReferences
sbir.gov/node/2328361
Is a
SBIR/STTR Awards
SBIR/STTR Awards

SBIR/STTR Award attributes

SBIR/STTR Award Recipient
SCIENTIFIC APPLICATIONS & RESEARCH ASSOCIATES
SCIENTIFIC APPLICATIONS & RESEARCH ASSOCIATES
1
Government Agency
U.S. Department of Defense
U.S. Department of Defense
1
Government Branch
United States Navy
United States Navy
1
Award Type
SBIR1
Contract Number (US Government)
N68335-21-C-08511
Award Phase
Phase I1
Award Amount (USD)
239,8111
Date Awarded
October 20, 2021
1
End Date
January 20, 2023
1
Abstract

High power microwave (HPM) systems require high voltage, high current, nanosecond duration pulses to generate radio frequency (RF) signals. These sources have seen a great deal of advancement in recent years, allowing for the deployment of next generation HPM weapons. To adequately demonstrate these next generation HPM sources, reliable, long lifetime, and easy to use pulsed power systems are required to drive them. The well-known Marx generator is commonly used in such cases. However, traditional Marx generators, relying on spark gap switches and cumbersome gas plumbing systems have limitations to system lifetime and maximum repetition rate. These limitations can be mitigated with development of new Marx generator concepts. Taking a new look at the standard gas insulated, spark gap switched topology could improve system lifetime and reliability by taking advantage of cutting-edge spark gap electrode profiles and materials, as well as advanced gas flow analysis and techniques to reduce required plumbing connections. Further, employing a more innovative approach, a new Marx generator concept could capitalize on the recent advancements in solid state switching technology, allowing for fully solid-state GW class HPM drivers. Herein, SARA Inc. proposes the development of a new Marx generator concept intended to drive HPM sources. The described development begins with a SWAP-C trade study between a spark gap switched Marx generator topology and a completely solid-state Marx generator with a semiconductor opening switch (SOS) output stage. The ideal topology will be down selected and a complete design for an advanced Marx generator is developed.

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