Signal processing method by adopting public processing circuit during collection of alternating-current voltage and current
An AC voltage and circuit processing technology, applied in the field of signal processing, can solve the problems of requiring a large number of components to measure and have large limitations, and achieve the effect of reducing the number of circuits and components, saving circuit costs, and reducing the area of the circuit board
Inactive Publication Date: 2012-07-18
西安爱邦电子系统有限公司
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The invention provides a signal processing method by adopting a public processing circuit during collection of alternating-current voltage and current, which mainly solves the problem that when alternating-current voltage and current are collected in the prior art, different signal processing channels are adopted, a large number of elements are needed for performing measurement, and limitation is large. The signal processing method by adopting the public processing circuit during the collection of the alternating-current voltage and the current includes the following steps: 1] converting signals of voltage and current to be measured into current signals with a consistent range, and inputting the signal into a step 2 to be processed after conversion is finished; 2] sampling the current signals processed in the step 1, and converting the current signals processed in the step 1 into proportional voltage signals after sampling is finished. The signal processing method greatly saves circuit cost, reduces area of a circuit board, and multiplies flexibility of channel input amount.
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