Method and a circuit for reducing microphony

Details Method and a circuit for reducing microphony Method and a circuit for reducing microphony

H - Electricity

04

B

325/17

H04B 1/40 (2006.01) H03L 7/093 (2006.01)

Patent

CA 2039363

Abstract By the method according to the invention, microphony, i.e. interference voltages caused by vibration, in a circuit includ- ing ceramic surface-mounted capacitors is reduced by eliminat- ing the direct-voltage differential (V1 - V2) effective across the capacitors (C30 - C36). The invention also relates to cir- cuit arrangements implementing the method, and it can be ad- vantageously applied to a radio telephone.

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