专利汇可以提供Power analyzer apparatus专利检索,专利查询,专利分析的服务。并且PURPOSE: To compensate offset voltages of anti-aliasing filters on the occasion when a plurality of input signals to be measured are passed through the anti- aliasing filters respectively and subjected to A/D conversion and digital data obtained by the conversion are taken in.
CONSTITUTION: A power analyzer apparatus is equipped with filters (anti-aliasing gilters) 29 to 34 which are provided between input units 20 to 22 for converting input signals of a plurality of channels to be measured into analog signals of an inputtable level and A/D conversion elements 41 to 46 converting those analog signals digitally, first switching elements 23 to 28 which switch over the analog signals or an analog signal of the ground potential of the apparatus and pass them through the filters 29 to 34, and second switching elements 35 to 40 which switch over the analog signal or the ground potential passed through the filter 29 or the ground potential not being passed through the filter 29 and output them to the A/D conversion elements 41 to 46. By switching the first and second switching elements 23 to 28 and 35 to 40, data on offset regulation of the filters 29 to 34 can be obtained.
COPYRIGHT: (C)1992,JPO&Japio,下面是Power analyzer apparatus专利的具体信息内容。
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