Description: This simple network mobility analyzer based on C8051F020 core, control and data processing by sinusoidal signal generator module, filter and power amplification module, I/V transform module, the admittance Angle measurement module, the admittance measurement module, keyboard module and LCD module. The digital control DDS chip AD9851 produced 100hz-10khz sinusoidal signal, which was filtered and power amplifier to drive network load. Measured signal extracted from the network load, the input to the integrated chip AD637 true RMS conversion as the core of the voltage and current measurement circuit composed of admittance measurement module admittance mode measurement. The admittance Angle measurement module is used to measure the phase difference of the signal phase difference after zero comparison of the voltage and current signal from the admittance module. The above measurement results are processed by single chip microcomputer with liquid crystal display. In order to improve the accuracy of the measurement, the errors of the circuits are properly allocated so as to achieve the best measurement results.
File list (Check if you may need any files):
Download