Hybrid switched mode/linear power amplifier power supply for use in polar transmitter
作者： Vlad Gabriel Grigore
DOI:
关键词: Phase modulation 、 Amplifier 、 Antenna (radio) 、 Coupling 、 Engineering 、 Amplitude modulation 、 Power (physics) 、 Radio frequency 、 Transmitter 、 Electronic engineering
摘要: In one aspect this invention provides a DC-DC converter that has switch mode part for coupling between DC source and load, the providing x amount of output power; further linear coupled in parallel with y power, where is preferably greater than y, ratio to may be optimized particular application constraints. there radio frequency (RF) transmitter (TX) an antenna, TX polar architecture having amplitude modulation (AM) path power supply amplifier (PA) phase (PM) input PA, includes battery PA PA.
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