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Nuclear Detector Power Supply Electronics (428)

Problem: Need specialized low-noise power supplies to obtain optimal performance from various nuclear radiation detectors.

Graphic chart showing detector and signal interface, processing of specialized power supplies with sample micro power helium 3 tube bias

Project Activity Scope (from Technical Overview Chart): Circuits and Devices through Controls and Measurements.

PNNL Solution:

  • Power supply requirements vary with detector type and application requirements (i.e. voltage and current levels, noise tolerance, etc.)
  • Developed compact, efficient supplies to meet divergent detector requirements (i.e. PMTs, He3 tubes, solid state, etc.)
  • Supplies deployed in hand-held, unattended, airborne, and laboratory instruments

Capabilities Employed to Meet Client Needs: Understanding of various nuclear detector operating characteristics and signal characteristics; analog circuit design to: a) optimize detector performance, b) meet application power requirements; circuit fabrication, checkout and validation; circuit integration with balance of system; design documentation.

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Contact: John Rohrer

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