シングルエンド増幅器入力ポートを有するダブルバックプレートＭＥＭＳマイクロフォン

摘要

A double backplate microphone having a good signal-to-noise ratio and being produceable at reduced manufacturing costs is provided. A microphone comprises a first backplate BP1, a second backplate BP2 and a membrane M. The microphone further comprises an amplifier AMP with a single-ended input port. The first backplate BP1 is electrically connected to the single-ended input port.