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Magnetic Particle Imaging pp 343–347Cite as

Concept for a Modular Class-D Amplifier for MPI Drive Field Coils

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Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 140))

Abstract

This paper studies the performance of a modular class-D switching amplifier to supply the drive field coils of a magnetic particle imaging scanner with a high quality sinusoidal voltage. While a class-A or class-AB amplifier is capable of delivering such a sinusoidal voltage, its low efficiency does not qualify for an economic solution. Therefore, a class-D amplifier has been used. The modular amplifier consists of commercially available class-D amplifier chips, which are connected in parallel, to achieve the required output power. This paper describes the simulation model and a hardware setup of the modular amplifier which consists of 10 chips connected in parallel.

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References

  1. NXP Semiconductors: Datasheet TDA8954 2 × 210 W class-D power amplifier, Rev. 01, December 24 (2009)

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Author information

Authors and Affiliations

  1. Philips Healthcare, GTC Development, Philips Medical Systems DMC GmbH, Röntgenstrasse 24, 22335, Hamburg, Germany

    Jonas Jockram & Oliver Woywode

  2. Research Laborarories, Philips Technologie GmbH Innovativ Technologies, Röntgenstrasse 24, 22335, Hamburg, Germany

    Bernhard Gleich

  3. Department of Electrical Engineering, Power Electronics, Helmut-Schmidt-University, Holstenhofweg 85, 22043, Hamburg, Germany

    Klaus Hoffmann

Authors
  1. Jonas Jockram
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  2. Oliver Woywode
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  3. Bernhard Gleich
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  4. Klaus Hoffmann
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Corresponding author

Correspondence to Jonas Jockram .

Editor information

Editors and Affiliations

  1. , Institute of Medical Engineering, University of Luebeck, Ratzeburger Allee 160, Luebeck, 23538, Germany

    Thorsten M. Buzug

  2. Forschungslaboratorien, Philips Technologie GmbH, Röntgenstr. 24-26, Hamburg, 22335, Germany

    Jörn Borgert

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© 2012 Springer-Verlag GmbH Berlin Heidelberg

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Jockram, J., Woywode, O., Gleich, B., Hoffmann, K. (2012). Concept for a Modular Class-D Amplifier for MPI Drive Field Coils. In: Buzug, T., Borgert, J. (eds) Magnetic Particle Imaging. Springer Proceedings in Physics, vol 140. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24133-8_55

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