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Envelope Tracking (ET) Technique can remarkably improve the efficiency of the power amplifier (PA) in the modern Mobile Communication Base Station. Switch-Linear Hybrid (SLH) ET power supply has become the mainstream structure, which gives consideration to high efficiency and high bandwidth. However, the SLH ET power supply with single switching converter suffers a low efficiency as increasing the...
The bifurcation phenomena in a current-mode controlled buck converter has been explored when the input of the converter is a rectifier having ripple in the output voltage instead of a regulated ideal dc power supply. A comparison between the two different input conditions shows a wide variation in most of the cases and it is difficult to predict the converter dynamics observing bifurcation diagram...
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