2011
DOI: 10.2478/v10178-011-0010-0
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DAC Testing Using Modulated Signals

Abstract: This document analyses qualities of methods used for testing dynamical parameters of Digital-to-Analog Converters (DAC) using a multi-frequency signal. As the source for these signals, Amplitude Modulated (AM) and Frequency Modulated (FM) signals are used. These signals are often used in radio engineering. Results of the tests, like Effective Number of Bits (ENOB), Signal-to-Noise and Distortion (SINAD), are evaluated in the frequency domain and they are compared with standard results of Sine Wave FFT test met… Show more

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Cited by 6 publications
(6 citation statements)
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“…Another important thing how to save time is to sample a smaller amount of samples. It was proved that it is sufficient to use only 30 kSamples to reach 0.2 bit deviation of the ENOB in comparison with results obtained from 4 MSamples [4]. Typical costs for testing a 16-bit ADC are approximately 100 USD per hour.…”
Section: Discussionmentioning
confidence: 95%
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“…Another important thing how to save time is to sample a smaller amount of samples. It was proved that it is sufficient to use only 30 kSamples to reach 0.2 bit deviation of the ENOB in comparison with results obtained from 4 MSamples [4]. Typical costs for testing a 16-bit ADC are approximately 100 USD per hour.…”
Section: Discussionmentioning
confidence: 95%
“…There are two general but important presumptions for testing a DAC: [6][7][8][9] -to test near Full Scale(FS) -it is necessary to ensure that the Peak-to-Peak value covers FS of DUT; -the second condition is that the Slew Rate SR of the signal is slower than the SR of the DUT (a generator) and the digitizer as well (5). The SR's maximum of the DSW has the same value as the SR's maximum of the sine-wave so it is possible to use the standard formula for the SR.…”
Section: Testing With a Multi-tone Signalmentioning
confidence: 99%
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“…Recently, sinc signal is widely used in many areas, for example in analogue to digital converters testing [46] or high-impedance spectroscopy [47] and it is very perspective signal thanks to its spectrum. Also the spectrum of the sinc signal is similar to the spectrum of the chirp signal.…”
Section: Sinc Signalmentioning
confidence: 99%