Radiation Effects

The radiation effects (total dose) on both the QPLL and the Crystal have been evaluated for neutrons and gamma rays.

The irradiation test results are summarized in the presentation: "QPLL - Irradiation tests & Status."

Detailed irradiation data can be found on the file: "QPLL2 irradiation data."

Because the QPLL2 frequency shift with irradiation can be perfectly correlated with the bandgap voltage shift, a short account of the phenomena is given on the file: "Radiation effects on the "CERN_Bandgap" circuit"

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