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AD9744ACPZRL71 Datasheet(PDF) 11 Page - Analog Devices |
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AD9744ACPZRL71 Datasheet(HTML) 11 Page - Analog Devices |
11 / 32 page AD9744 Rev. B | Page 11 of 32 45 50 55 60 65 70 75 80 85 90 95 020 –40 –20 40 60 80 TEMPERATURE (°C) 4MHz 19MHz 34MHz 49MHz Figure 18. SFDR vs. Temperature @ 165 MSPS, 0 dBFS –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1 6 11 16 21 26 31 36 FREQUENCY (MHz) fCLOCK = 78MSPS fOUT = 15.0MHz SFDR = 79dBc AMPLITUDE = 0dBFS Figure 19. Single-Tone SFDR –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1 6 11 16 21 26 31 36 FREQUENCY (MHz) fCLOCK = 78MSPS fOUT1 = 15.0MHz fOUT2 = 15.4MHz SFDR = 77dBc AMPLITUDE = 0dBFS Figure 20. Dual-Tone SFDR –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1 6 11 16 21 26 31 36 FREQUENCY (MHz) fCLOCK = 78MSPS fOUT1 = 15.0MHz fOUT2 = 15.4MHz fOUT3 = 15.8MHz fOUT4 = 16.2MHz SFDR = 75dBc AMPLITUDE = 0dBFS Figure 21. Four-Tone SFDR –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 FREQUENCY (MHz) CENTER 33.22 MHz 3 MHz SPAN 30 MHz CU1 C0 C0 C11 C11 C12 C12 CU1 CU2 CU2 –39.01dBm 29.38000000MHz CHPWR –19.26dBm ACP UP –64.98dB ACP LOW +0.55dB ALT1 UP –66.26dB ALT1 LOW –64.23dB Figure 22. Two-Carrier UMTS Spectrum, fCLOCK = 122.88 MSPS (ACLR = 64 dB) LFCSP Package CENTER 10MHz FREQ OFFSET 5.000MHz REF BW 3.840MHz LOWER dBc –74.62 dBm –84.12 UPPER dBc –75.04 dBm –84.54 SPAN 18MHz –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 RES BW = 30kHz VBW = 300kHz ATTEN = 8dB AVG = 50 Figure 23. Single-Carrier UMTS Spectrum, fCLOCK = 61.44 MSPS (ACLR = 74 dB) LFCSP Package |
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