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A low-power microphone preamplifier with EMI canceling

机译:具有EMI取消的低功耗麦克风前置放大器

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A low-power transadmittance amplifier is presented, that suppresses EMI by suppression of the detection mechanism as well as a compensation technique. The detection is suppressed by cancellation of the even harmonics. Compensation is achieved with the help of a dummy amplifier that reproduces the disturbance. The presented measurement results show that especially the compensation suppresses the EMI quite well.
机译:提出了低功耗晶体静止放大器,其通过抑制检测机构以及补偿技术来抑制EMI。通过取消偶数谐波来抑制检测。借助于再现干扰的虚拟放大器来实现补偿。呈现的测量结果表明,特别是补偿抑制了EMI。

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