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Title: Regenerative feedback resonant circuit

A regenerative feedback resonant circuit for measuring a transient response in a loop is disclosed. The circuit includes an amplifier for generating a signal in the loop. The circuit further includes a resonator having a resonant cavity and a material located within the cavity. The signal sent into the resonator produces a resonant frequency. A variation of the resonant frequency due to perturbations in electromagnetic properties of the material is measured.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1151825
Assignee:
Battelle Memorial Institute (Richland, WA) PNNL
Patent Number(s):
8,823,391
Application Number:
13/396,402
Contract Number:
AC05-76RL01830
Research Org:
PNNL (Pacific Northwest National Laboratory (PNNL), Richland, WA (United States))
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Works referenced in this record:

A contactless, microwave-based radiation detector
journal, February 2001
  • Tepper, Gary; Losee, Jon
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 458, Issue 1-2, p. 472-477
  • DOI: 10.1016/S0168-9002(00)00907-4