ヤマジ タカフミ   Yamaji Takafumi
  山路 隆文
   所属   崇城大学  情報学部 情報学科
   崇城大学大学院  工学研究科 応用情報学専攻(博士後期課程)
   崇城大学大学院  工学研究科 応用情報学専攻(博士前期課程)
   職種   教授
取得国 国外
特許番号 USP 7,414,468
取得年月日 2008/08/19
発明者 Yamaji; Takafumi (Yokohama, JP), Ito; Rui (Chigasaki, JP), Itakura; Tetsuro (Tokyo, JP)
特許名 Amplifier, filter using the same, and radio communication device
特許概要 An amplifier includes an amplification unit which amplify a first difference between first and second input signals, a second difference between second and third input signals and a third difference between third and first input signals by a differential mode gain, and amplify an average of the first, second and third input signal by a common mode gain, for outputting a first output signal corresponding to a sum of the amplified first difference and the amplified average, a second output signal corresponding to a sum of the amplified second difference and the amplified average, and a third output signal corresponding to a sum of the amplified third difference and amplified average; first, second; and a reduction circuit which reduces the common mode gain less than the differential mode gain.