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System-level requirements of DC-DC converters for dynamic power supplies of power amplifiers
Proceedings. IEEE Asia-Pacific Conference on ASIC,
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The energy efficiency of battery-operated portable applications can be improved by increasing the efficiency of power amplifiers (PAs). By dynamically changing the supply voltage from the fixed battery supply using a DC-DC converter, the PA can be operated with high efficiency during power back-off. This paper presents the system level requirements for a buck converter and other blocks in a dynamic power supply scheme for PA. Simulation results for the effects of ripple in the power supply of
doi:10.1109/apasic.2002.1031554
fatcat:zfzk443yyvh4bmfzvuhssvrfnm