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Artículo
Characterization and modeling of piezoelectric integrated micro speakers for audio acoustic actuation
(Hindawi Publishing Corporation, 2011)
A study of circular piezoelectric micro speakers is presented for applications in the audio frequency range, including values for impedance, admittance, noise figures, transducer gain, and acoustic frequency responses. The ...
Artículo
Low-voltage CMOS log-companding techniques for audio applications
(Springer, 2004)
This paper presents a collection of novel current-mode circuit techniques for the integration of very low-voltage (down to 1 V) low-power (few hundreds of μA) complete SoCs in CMOS technologies. The new design proposal is ...