Digital simulation impedance normalization device
A digital analog and standard technology, applied in the measurement of resistance/reactance/impedance, instruments, measuring devices, etc., can solve the problems of inability to automatic control, narrow frequency range, large size, etc.
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[0036] Such as figure 1 , 2 As shown, in the present invention, a single-chip microcomputer is used as a CPU processor to control the entire system. The single-chip microcomputer is connected to a host computer through an RS232 interface, and an operating program is compiled on the host computer using the LABVIEW platform. According to the impedance value to be simulated, the output related parameters are calculated, such as Voltage digital amplitude and VV proportional value, current digital amplitude and VI shunt value, starting phase point and extraction interval of voltage waveform, starting phase point and extraction interval of current waveform, number of points inserted per cycle, measurement frequency, etc., The amplitude ratio and phase difference data have been corrected and calculated. These data are transmitted to the single-chip microcomputer processor through a custom simple protocol. The single-chip microcomputer sets the frequency division number of the frequency ...
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