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AD9042 Arkusz danych(PDF) 9 Page - Analog Devices |
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AD9042 Arkusz danych(HTML) 9 Page - Analog Devices |
9 / 24 page AD9042 Rev. B | Page 9 of 24 ENCODE = 41MSPS AIN = 15.3MHz, 19.5MHz FREQUENCY (MHz) 0 –80 –120 –40 –100 –20 –60 dc 4.1 8.2 12.3 16.4 20.5 Figure 9. Two Tones at 15.3 MHz and 19.5 MHz SAMPLE RATE (MSPS) 0 5 c d5 10 15 20 25 30 35 40 45 80 70 65 60 75 SNR 85 AIN = 4.3MHz WORST SPUR Figure 10. SNR, Worst Harmonic vs. Encode ENCODE DUTY CYCLE (%) 90 65 55 45 75 85 80 70 60 50 40 35 30 ENCODE = 41MSPS AIN = 19.5MHz WORST SPUR SNR 25 30 35 40 45 50 55 60 65 70 75 Figure 11. SNR, Worst Spurious vs. Duty Cycle 4 FREQUENCY (MHz) 0 –80 –120 –40 –100 –20 –60 dc 4.1 8.2 12.3 16.4 20.5 ENCODE = 41MSPS AIN = BROADBAND_NOISE Figure 12. NPR Output Spectrum ENCODE = 41MSPS AIN = 19.5MHz @ –29dBFS NO DITHER 2 4 6 8 8 7 5 3 FREQUENCY (MHz) 0 –80 –120 –40 –100 –20 –60 dc 4.1 8.2 12.3 16.4 20.5 Figure 13. 4K FFT Without Dither ANALOG INPUT POWER LEVEL (dBFS) ENCODE = 41MSPS AIN = 19.5MHz NO DITHER SFDR = 80dB REFERENCE LINE 100 0 90 60 40 20 10 80 70 50 30 0 –10 –20 –30 –40 –50 –60 –70 –80 Figure 14. SFDR Without Dither |
Podobny numer części - AD9042_15 |
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Podobny opis - AD9042_15 |
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