发明名称 Common-mode feedback circuit
摘要 A differential amplifier circuit with common-mode feedback is disclosed. The amplifier may include a first stage comprising a first differential input configured to drive a first differential pair transistor in a first differential current path, a second differential input configured to drive a second differential pair transistor in a second differential current path, a first differential output, and a second differential output, a second stage comprising a first differential input, a second differential input, a first differential output, and a second differential output, a common-mode feedback circuit, a first conducting element in a first common-mode current path parallel to the first differential current path and comprising a first conducting terminal coupled to the first differential output of the first stage, and a second conducting element in a second common-mode current path parallel to the second differential current path and comprising a first conducting terminal coupled to the second differential output of the first stage.
申请公布号 US8427237(B2) 申请公布日期 2013.04.23
申请号 US201113078430 申请日期 2011.04.01
申请人 HONG MERIT;FUJITSU SEMICONDUCTOR LIMITED 发明人 HONG MERIT
分类号 H03F3/45 主分类号 H03F3/45
代理机构 代理人
主权项
地址
您可能感兴趣的专利