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This paper presents several measurement experiments performed by means of the Texas Instruments Analog System Lab Kit (ASLK) PRO board in the Electrical and Electronic Measurements laboratory with students in the first year of an undergraduate course of the Faculty of Electronics and Telecommunications from Politehnica University of Timişoara. The experiments deal with: electronic dc analog voltmeter,...
This paper is focused on the estimation of the dynamic parameters of a sine-wave by means of the ADS1258EVMPDK kit. The dynamic parameters are the SIgnal-to-Noise And Distortion (SINAD) ratio, Effective Number Of Bits (ENOB), Total Harmonic Distortion (THD) ratio, and Spurious Free Dynamic Range (SFDR) ratio. These parameters are estimated by both frequency-domain and time-domain methods. In the former...
In this paper we demonstrate that the Kullback-Leibler distance is a good approximation for the expected number of extra bits required to quantize the LSF vectors from a given set using a VQ based on a different set, without increasing the distortion. By using this result we give an analytical demonstration for an important property in VQ design that says that to improve the performance of a VQ, a...
The cosine-class windows are some of the most used windows in analog-to-digital converter (ADC) dynamic testing by spectral analysis when the coherent sampling condition cannot be fulfilled. The DYNAD European draft standard is the only one which gives some suggestions for the proper choice of some windows belonging to this class. In DYNAD the effectiveness of a window in spectral leakage reduction...
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