发明名称 Function-forming digital-analog converter
摘要 The invention relates to a converter for equalisation according to a pseudologarithmic compander characteristic of pre-emphasised digital signals which is approximated by means of linear segments. In order to be able to convert these signals back into analog signals at low circuit cost, a code converter (5) to compensate for the pre-emphasis is provided according to the invention which converts the data word (a') which replicates the pre-emphasised signal through digitally-based conversion according to the inverse function of the compander characteristic into a data word (x') which is redundant as a result of the non-linear conversion, the equalised analog signal (x) being obtained from this data word by means of a linear digital-analog converter (6). <IMAGE>
申请公布号 DE3126148(A1) 申请公布日期 1982.04.15
申请号 DE19813126148 申请日期 1981.07.02
申请人 SIEMENS AG 发明人 KRAKER,ALFRED,ING.
分类号 H03M7/50;(IPC1-7):H03K13/01 主分类号 H03M7/50
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