A wireless receiver comprises a plurality of amplifiers A1-A4, which are connected on multiple stages, each for amplifying a base band signal and a high-pass filter F2 is included in a feedback path of the first-stage amplifier A1. ベースバンド信号を増幅する多段接続された複数の増幅器A1〜A4を備え、初段の増幅器A1の帰還路中にハイパスフィルタF2を含む。 - 特許庁