发明名称 Subscriber Line Interface Circuitry Line Driver
摘要 A linefeed driver apparatus includes a first current mirror having an input leg for current IIN1 and a mirrored leg for current IMIRR1, wherein IMIRR1 varies proportionately to IIN1 with a gain of α1. The input leg and the mirrored leg of the first current mirror are coupled to provide (α1+1)IIN1 to a driven line. The apparatus includes a second current mirror having an input leg for current IIN2 and a mirrored leg for current IMIRR2, wherein IMIRR2 varies proportionately to IIN2 with a gain of α2. The mirrored leg of the second current mirror provides α2IIN2 to the driven line, wherein α2=α1+1.
申请公布号 US2012002801(A1) 申请公布日期 2012.01.05
申请号 US20100828246 申请日期 2010.06.30
申请人 FREY DOUGLAS R. 发明人 FREY DOUGLAS R.
分类号 H04M1/00 主分类号 H04M1/00
代理机构 代理人
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