Method and a circuit for reducing microphony

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

1991-03-27

1992-10-06

Laroche, Eugene R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307521, 328167, H03B 100

Patent

active

051534681

ABSTRACT:
By the method according to the invention, microphony, i.e. interference voltages caused by vibration, in a circuit including ceramic surface-mounted capacitors is reduced by eliminating the direct-voltage differential (V1 - V2) effective across the capacitors (C30 - C36). The invention also relates to circuit arrangements implementing the method, and it can be advantageously applied to a radio telephone.

REFERENCES:
patent: 4000414 (1976-12-01), Hansen
patent: 4943736 (1990-07-01), Kihara et al.
patent: 4994774 (1991-02-01), Joosse

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