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# Ultrafast Tracking Power Supply With Fourth-Order Output Filter and Fixed-Frequency Hysteretic Control

@article{Hoyerby2008UltrafastTP, title={Ultrafast Tracking Power Supply With Fourth-Order Output Filter and Fixed-Frequency Hysteretic Control}, author={M. Hoyerby and M. A. E. Andersen}, journal={IEEE Transactions on Power Electronics}, year={2008}, volume={23}, pages={2387-2398} }

- Published 2008 in IEEE Transactions on Power Electronics

A practical solution is presented for the design of a non-isolated dc/dc power converter with very low output ripple voltage and very fast output voltage step response. The converter is intended for use as an envelope tracking power supply for a radio frequency power amplifier (RFPA) in a TETRA enhanced data service (TEDS) base station. A simple and effective fixed-frequency hysteretic control scheme for the converter (buck with fourth-order output filter) is developed and analyzed. The… CONTINUE READING

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