Irradiation Testing of Operating Electronic Equipment by Fast Neutrons and Gammas. Final Report

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A study of the radiation effects of fast neutrons (O.5 ev to about 15 Mev) and gamma rays (fission spectrum) on various pieces of aircraft instrumentation is re ported. Components studied were: fuel gage vacuumtube amplifier and indicator, transistorized (germanium and silicon) servo amplifier system, and 4-in. diam. gyro. The fuel gage was subjected to a total neutron flux of about 6 x 1O/sup 5/nvt and about 5 x 1Osup 8/ r gamma with no adverse electrical effect. Physical damage was evident. Four transistorized amplifiers were irradiated in a fast flux of about 1.0 x 10/sup 10/cm/sup 2/ sec. Rapid ... continued below

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Pages: 42

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Arndt, R. J. & Terrell, C. W. April 30, 1958.

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Description

A study of the radiation effects of fast neutrons (O.5 ev to about 15 Mev) and gamma rays (fission spectrum) on various pieces of aircraft instrumentation is re ported. Components studied were: fuel gage vacuumtube amplifier and indicator, transistorized (germanium and silicon) servo amplifier system, and 4-in. diam. gyro. The fuel gage was subjected to a total neutron flux of about 6 x 1O/sup 5/nvt and about 5 x 1Osup 8/ r gamma with no adverse electrical effect. Physical damage was evident. Four transistorized amplifiers were irradiated in a fast flux of about 1.0 x 10/sup 10/cm/sup 2/ sec. Rapid loss in gain, rapid increase in d-c current drain, and complete failure occurred when the integrated flux reached about same flux. Studies on the gyro were inconclusive due to equipment failure. (auth)

Physical Description

Pages: 42

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  • Other Information: ARF Project No. A-106. Orig. Receipt Date: 31-DEC-59

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  • Report No.: NP-7189
  • Grant Number: N62269-253
  • DOI: 10.2172/4291202 | External Link
  • Office of Scientific & Technical Information Report Number: 4291202
  • Archival Resource Key: ark:/67531/metadc1019564

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • April 30, 1958

Added to The UNT Digital Library

  • Oct. 15, 2017, 10:09 p.m.

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  • Jan. 17, 2018, 2 p.m.

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Arndt, R. J. & Terrell, C. W. Irradiation Testing of Operating Electronic Equipment by Fast Neutrons and Gammas. Final Report, report, April 30, 1958; Chicago, Illinois. (digital.library.unt.edu/ark:/67531/metadc1019564/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.