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This paper describes a simple and inexpensive method to characterize and differentiate edible oils including castor, olive, sunflower, mustard and groundnut oil. In this method monochromatic light at wavelength 635nm, 565nm, 470nm and 430nm is passed through the oil sample. Some of the incoming light is absorbed by the oil sample as a result, light of lower intensity pass through the oil. The amount...
By virtue of its large range of applications, the graph coloring problem has received considerable research interest from mathematicians and engineers alike. Both algorithmic & hardware methods to color a graph subject to adjacency constraints have been explored resulting in a wide variety of options. The actual selection of any one of the software/hardware methods would depend on the specific...
Based on active bridge followed by a relaxation oscillator, a resistance to frequency convertor circuit proposed by the authors is critically analyzed in non-ideal conditions. Due to the behavior of real components there is a deviation from idealities. The main sources of error can be considered and analyzed by carrying out first order analysis. Each source of error is treated as separate from the...
This paper presents a high performance digitally programmable CMOS analog building block termed as DCCDVCC. In the proposed building block, the bias current is digitally controlled. The DCCDVCC shows good linearity between voltages and currents, high parasitic resistances and low parasitic capacitances at port-Y and port-Z. As an application of DCCDVCC, a high-gain fully differential instrumentation...
For the simulation of a smart gas sensor a tale parametric representation of a polyleptic chemoresistor is projected. The simulation of equally the stagnant and active reaction of a chemoresistor to a combination of unlike gases have been implemented using Cadence software. The effects of surrounding heat (temperature), dampness and sound of sensor is also taken into account. If the values of the...
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