Invention Grant
US09456274B2 Digital electronic interface circuit for an acoustic transducer, and corresponding acoustic transducer system 有权
用于声学换能器的数字电子接口电路,以及相应的声学换能器系统

Digital electronic interface circuit for an acoustic transducer, and corresponding acoustic transducer system
Abstract:
A interface circuit for an acoustic transducer provided with a first detection structure and a second detection structure has: a first input and a second input; a first processing path and a second processing path coupled, respectively, to the first input and second input and supply a first processed signal and a second processed signal; and a recombination stage, which supplies a mixed signal by combining the first processed signal and the second processed signal with a respective weight that is a function of a first level value of the first processed signal. The first and second inputs receive a respective detection signal associated, respectively, to the first detection structure and to the second detection structure of the acoustic transducer; and an output stage the first processed signal, the second processed signal or the mixed signal, on the basis of a second level value of the first processed signal.
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