可消除直流偏压与调整增益之装置
申请公布号:TW200618551
申请号:TW093136263
申请日期:2004.11.25
申请公布日期:2006.06.01
发明人:钟元鸿
分类号:H04L25/06
主分类号:H04L25/06
代理人:詹铭文;萧锡清
地址:新竹市新竹科学工业园区创新一路19号
摘要:一种可消除直流偏压与调整增益之装置,包含第一放大器模组、第一低通滤波器电路、第二放大器模组。此第一放大器模组之输出端信号系为输入端信号的A倍。第一低通滤波器之输入端耦接至第一放大器模组之输出端,以输出其接收之信号中的直流偏压,并将直流偏压放大B倍。第二放大器模组包括第一输入端、第二输入端及输出端,其第一输入端耦接至第一低通滤波器之输出端,其第二输入端耦接至正输入信号,而其输出端之信号系为第一输入端信号的C1倍与第二输入端信号的C2倍之总和,且符合下式:A﹡B﹡C1=-C2。
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