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Please use this identifier to cite or link to this item: http://etd.iisc.ernet.in/2005/1039

Title: Electronics Instrumentation For Ion Trap Mass Spectrometers
Authors: Shankar, Ganesh Hassan
Advisors: Menon, A G
Keywords: Electronics - Instrumentation
Mass Spectrometers
Paul Trap Mass Spectrometer
Ion Trap Mass Spectrometer
Electronic Circuits
Cylindrical Ion Trap Mass Spectrometer
Switched Mode Power Converters
Ion Trap Mass Analyzers
Mass Spectrometry Application
Boundary Ejection
Resonance Ejection
Cylindrical Ion Trap (CIT)
Submitted Date: Dec-2009
Series/Report no.: G23703
Abstract: The thesis aims at building an experimental setup for conducting the boundary ejection and resonance ejection experiments on wide variety of ion trap mass analyzers. The experimental setup has two parts namely power electronics circuits and mechanical assembly. The focus of the thesis is on the electronics hardware which provides various power sources required for the operation of ion trap mass spectrometer. The electronics circuits discussed in the thesis have better performance, flexibility and ruggedness compared to the existing setup. The traditional power supplies used in ion trap mass spectrometers are all linear supplies. But one major drawback of these supplies is the high power dissipation and consequently, the power efficiency degrades. We are trying to introduce switch mode power supplies to reduce the power dissipation loss and eventually increase the power efficiency. In the course of the work the following power supplies have been developed. The supplies are - 1.Constant current source, 2.Filament base, 3.gating power supply and pulsing circuit, 4.High voltage DC power supply and 5. High voltage RF generator.
URI: http://etd.iisc.ernet.in/handle/2005/1039
Appears in Collections:Instrumentation and Applied Physics (iap)

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