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UBC Theses and Dissertations

Magnetic field stabilization using proton resonance Morrison, Stanley Roy


An apparatus to be used for stabilizing the magnetic field of the Van de Graaff analyser has been constructed. It employs the combined stabilization characteristics of several ballast tubes and a vacuum tube regulator. This vacuum tube regulator obtains its signal from the nuclear induction in protons in the magnetic field itself, which ensures superior regulation than would a current controlling regulator. Stabilization characteristics showing stable current with a voltage change of ± 2 volts was obtained from the regulator.

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