KMS Solutions, LLC , a wholly owned subsidiary of Subsystem Technologies, Inc. (SUBSYSTEMs), is dedicated to providing high quality consulting and technical services to commercial and Government clients. Our principals are experienced in and dedicated to serving the needs of US Government related activities. Specific market areas include the US Navy, the US Intelligence Community, the Department of Defense and its C4ISR programs, and other Federal technology and human capital management related activities.
Position Title: Hardware Electronic Design Engineer
Project Name: Undersea Tracking Range Equipment (UTRE or Pingers)
Location: KMS Newport RI (Naval Undersea Warfare Center)
Responsibilities: Responsible for research, analysis and design of electronic systems for Naval Undersea Warfare Center underwater range department, Code 70. Code 70 utilizes various systems in support of tracking underwater hardware. Systems include but were not limited to Pinger systems used in torpedoes, targets, UUV’s, shipboard systems and other ancillary support equipment on the major ranges. Major responsibilities included, but was not limited to, analysis and design of impedance matching networks used to match between audio amplifiers and transducers. The matching consisted of multi-tap transformers and inductors. Included in this effort was the authoring of critical item specifications. Also, the redesign of the MK84 Logic Board where the computing element changed from a microprocessor to a digital signal processor. The Logic Board is used to generate low electrical level acoustic signals which are then amplified by the Amplifier Board. The entire board was redesigned for low power and additional functionality. A critical item specification was also authored. Also, the design of the power electronics for a deep water transponder. The design incorporated a voltage up-converter to translate battery voltage to a fixed voltage for use by a switching amplifier. The switching amplifier consisted of a push – pull primary and a single secondary. The amplifier was driven by a quasi- square wave modified to keep harmonic generation low. Impedance matching was also required. Knowledge of low level analog, digital, and power electronics as well as magnetics was used extensively in the design of these systems.
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