Abstract
In this paper, the realization and design of a low cost, microprocessor-based multiparameter measurement system is given. It is capable of making automated measurements of in-circuit, discrete and incremental resistances and capacitances with high degree of accuracy and over a wide range of parameter values. The system employs two R- and C-composite modules, which respectively give output voltages linearly proportional to the resistance or capacitance under consideration. This analog output voltage is digitized, calibrated and displayed on six 7-segment displays, along with the units. Experimental results on parameter measurements are in conformity with the theory. The system has the attractive feature of being, insensitive to the signal frequency.
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