CircuIt'suppresses capacitively coupled noise pickup by piezoelectric sensor and its wiring.

电路抑制由压电传感器及其电缆产生的容性耦合噪声.

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High impedance circuitry is susceptible to electrostatic interference, so use shielding to avoid noise pickup.

高阻电路对静电干扰很敏感, 因此要采取屏蔽措施,以免拾取噪声.

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