作者: Alessandro Gasparini , Filippo David
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摘要: A biasing circuit for an acoustic transducer is provided with: a voltage-booster stage, which supplies, on terminal, boosted voltage first terminal of the transducer; and filtering elements, set between transducer, disturbances voltage. The further with switches, can be actuated so as to connect directly during start-up step circuit, through elements at end step.