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Acoustic switches (ASs) can control the wave propagation in media for acoustic wave applications including smart acoustic structures and materials [1]. Especially, contactless magnetic-controlled AS based on magnetoelastic Terfenol-D/epoxy phononic crystals has been developed by exploiting external static magnetic fields [2]. However, the magnetic-controlled AS exhibits an ultra-high threshold of...
This work presents a power management IC used to mitigate the effects of mismatch in Concentrating-Photovoltaic (CPV) systems. The IC contains a bi-directional dc-dc converter, an auxiliary boost converter to generate the internal 10 V power supply, as well as protection and monitoring circuits. The main power converter, with a maximum current rating of 1.5 A, is designed to equalize the voltage between...
This paper describes a new approach to the realization of reconfigurable CMOS-compatible RF inductors using programmable vias made from phase-change (PC) materials. Reversible reconfiguration of a custom-fabricated inductor prototype is demonstrated using voltage pulses to transform (by Joule heating) the PC switch between crystalline (ON) and amorphous (OFF) states. The RF performance shows an inductance...
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