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This paper presents a highly compact 3 times 3 mm<sup>2</sup> WCDMA power amplifier (PA) module which integrates a GaAs HBT MMIC PA and a Si DC power management IC into one single package. A closed-loop controlled DC-DC buck converter allows the power management IC to adaptively optimize the PA collector voltage as a function of output power and thereby(More)
Although the relationship between biological motion perception as depicted by point-light displays and social cognition has been investigated in recent decades, the developmental course of the integration of social cognition and the perception of biological motion is not well understood. To better understand this development, we investigated the ability of(More)
Human infants can consider humans as collaborative agents, but little is known about whether they also recognize robots as collaborative agents. This study investigated that how infants understand robot agents while they watched collaborative interactions between a human and a robot. We presented a novel visual habituation paradigm in which a human and a(More)
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