Accurate determination of switching loss in class-D power amplifiers with random gaussian excitation using rice formula

M. Sarkeshi, R. Mahmoudi, A.H.M. Roermund, van

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Samenvatting

A well known technique to compute average zero crossing rate of statistical signals in Information Theory (Rice's Formula) is employed to accurately predict the switching loss of the limit cycle class-D power amplifier. A closed-form formula is derived which is not only faster than circuit simulation but also very insightful for a priori design as it relates the switching loss to input signal statistics. The results obtained from the derived formulas have been verified by a prototype design of a CMOS voltage-mode class-D power amplifier. The correspondence between the results is satisfactory.
Originele taal-2Engels
TitelProceedings of the IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications 2011 (PAWR 2011), 16-19 January 2011, Phoenix, AZ, USA
Pagina's73-76
DOI's
StatusGepubliceerd - 2011
Evenementconference; IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications 2011 (PAWR 2011); 2011-01-16; 2011-01-19 -
Duur: 16 jan 201119 jan 2011

Congres

Congresconference; IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications 2011 (PAWR 2011); 2011-01-16; 2011-01-19
Periode16/01/1119/01/11
AnderIEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications 2011 (PAWR 2011)

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