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Published byMalcolm Mitchell Modified over 9 years ago
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6th Summer School on “ADC & DAC Metrology” PETRČESÁK Czech Technical University PhD Student Analysis of the system for dynamic ADC testing
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Prague, Czech Republic
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Czech Technical University
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System for dynamic ADC testing
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BAND-PASS FILTER
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BAND-STOP FILTER
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Distortion recalculated to the band-pass filter output (measured in dB) common low-cost filtershigh-quality filters 4.416 MHz 9.485 MHz 19.51 MHz 4.416 MHz 9.485 MHz 19.51 MHz THD–109–108–96< –130 SFDR11110997> 139
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Frequency spectra of testing signals with frequency is 19.5 MHz SETUP: generator – band-pass filter – attenuator 6 dB – band-stop filter amplifier +25 dB – digitizer NI PXI-5122
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Faculty: www.fel.cvut.cz Department: measure.feld.cvut.cz Email: cesakp1@fel.cvut.cz Thank you for your attention
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