Ripple cancellation filter for magnetic resonance imaging gradient amplifiers

Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Volumn 2, Issue , 2004, Pages 792-796

  Sabate, Juan ^a   Schutten, Michael ^a   Steigerwald, Robert ^a   Li, Qiming ^b   Wirth, William F ^c  

^a GE GLOBAL RESEARCH   (United States)

^b GE GLOBAL RESEARCH   (China)

^c GE MEDICAL SYSTEMS   (United States)

Author keywords

Filter; MRI Gradients; Ripple cancellation; Switched amplifier

Indexed keywords

AMPLIFIERS (ELECTRONIC); ATTENUATION; BANDWIDTH; ELECTRIC POTENTIAL; IMAGE QUALITY; PULSE WIDTH MODULATION; SWITCHING; WAVEFORM ANALYSIS;

FILTER; MAGNETIC RESONANCE IMAGING (MRI) GRADIENTS; RIPPLE CANCELLATION; SWITCHED AMPLIFIER;

MAGNETIC RESONANCE IMAGING;

EID: 2342579318     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/APEC.2004.1295913     Document Type: Conference Paper

References (6)

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2. R. Steigerwald, W.F.Wirth, L. Stevanovic, J.N. Park, "Switching Amplifier for Generating Continuous Arbitrary Waveforms for Magnetic Resonance Imaging Coils," US Patent, US 6,031,746, Feb. 29, 2000.
3. M. J. Schutten, R. L. Steigerwald, J. A. Sabaté, "Ripple Current Cancellation Circuit," IEEE APEC 2003 Proc., 2003, pp. 464-470
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6. D.C. Hamill, P.T. Krein, "A 'zero'ripple technique applicable to any DC converter," IEEE PESC, 1999, pp. 1165-71