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Virtual Localization by Blind Persons - July 2012
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Effect of Spatial Location and Presentation Rate on the Reaction to Auditory Displays - July 2012
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A Class D Amplifier Using MOSFETs with Reduced Minority Carrier Lifetime
Design techniques are presented for a 0.5-Mhz class D amplifier using specially processed MOSFETs with ultrafast intrinsic diode recovery characteristics. Design problems and solutions are presented for the power, filter, and modulator stages. Problems and results are discussed using error correction by loop feedback from the output filter and supply feedforward to the modulator stage. An overview is included of power supply issues, including a lightweight power-factor-corrected quasi-resonant switching power supply.
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