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AD9739A Datasheet(PDF) 16 Page - Analog Devices |
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AD9739A Datasheet(HTML) 16 Page - Analog Devices |
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16 / 44 page  AD9739A Rev. 0 | Page 16 of 44 ONE-CARRIER DOCSIS PERFORMANCE (NORMAL MODE) fDAC = 20 mA, fDAC = 2.4576 GSPS, nominal supplies, 25°C, unless otherwise noted. 1 2∆1 4∆1 5∆1 3∆1 VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –11.475dBm –77.042dB –76.238dB –74.526dB –75.919dB 6MHz 6MHz 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) Y –11.476dBm –77.042dB –76.238dB –74.526dB –75.919dB f f f f f 1 1 1 1 1 1 2 3 4 5 X N ∆1 ∆1 ∆1 ∆1 MODE MKR SCL TRC 200MHz 199.60MHz 400.05MHz 597.65MHz 413.35MHz –31 –42 –53 –64 –75 –86 –97 –108 –119 Figure 34. Low Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –10.231dBm –76.425dB –75.626dB –70.658dB –75.824dB –78.118dB 6MHz 6MHz 6MHz 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) Y –10.231dBm –76.444dB –75.649dB –70.658dB –75.836dB –78.054dB f f f f f f 1 1 1 1 1 1 1 2 3 4 5 6 X N ∆1 ∆1 ∆1 ∆1 ∆1 MODE MKR SCL TRC 549.60MHz –485.35MHz 127.40MHz 254.70MHz 63.75MHz 293.65MHz 1 2∆1 4∆1 5∆1 6∆1 3∆1 –31 –42 –53 –64 –75 –86 –97 –108 –119 Figure 35. Mid Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –13.658dBm –65.548dB –66.990dB –69.049dB –72.789dB 6MHz 6MHz 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) (∆) Y –13.703dBm –65.548dB –66.990dB –69.044dB –72.789dB f f f f f 1 1 1 1 1 1 2 3 4 5 X N ∆1 ∆1 ∆1 ∆1 MODE MKR SCL TRC 979.00MHz –484.40MHz –118.65MHz –613.60MHz –365.65MHz 1 4∆1 3∆1 5∆1 2∆1 –31 –42 –53 –64 –75 –86 –97 –108 –119 Figure 36. High Band Wideband ACLR SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 200MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –60.16 –81.26 –80.72 –80.76 –80.78 dBc –59.38 –81.23 –80.71 –80.72 –80.73 dBm –70.35 –91.45 –90.91 –90.95 –90.97 LOWER dBm –69.57 –91.42 –90.90 –90.91 –90.92 INTEG BW 750.0kHz 5.250MHz 6.000MHz 6.000MHz 6.000MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz 24.00MHz CARRIER POWER –10.190dBm/6MHz ACP-IBW –35 –45 –55 –65 –75 –85 –95 –105 –115 –80.7dBc –80.7dBc –80.7dBc –81.2dBc –10.2dBm –81.3dBc –80.7dBc –80.8dBc –80.8dBc Figure 37. Low Band Narrow-Band ACLR SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 550MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –58.53 –74.41 –75.55 –76.69 –77.67 dBm –68.90 –84.78 –85.92 –87.06 –88.03 LOWER dBc –57.91 –75.09 –76.29 –77.63 –78.51 dBm –68.28 –85.46 –86.65 –88.00 –88.88 INTEG BW 750.0kHz 5.250MHz 6.000MHz 6.000MHz 6.000MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz 24.00MHz CARRIER POWER –10.368dBm/6MHz ACP-IBW –35 –45 –55 –65 –75 –85 –95 –105 –115 –78.5dBc –77.6dBc –76.3dBc –75.1dBc –10.4dBm –74.4dBc –75.6dBc –77.7dBc –76.7dBc Figure 38. Mid Band Narrow-Band ACLR SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 980MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –59.15 –67.94 –68.58 –70.64 –72.35 dBm –71.93 –80.72 –81.35 –83.42 –85.13 LOWER dBc –60.38 –68.67 –69.90 –71.12 –72.61 dBm –73.15 –81.44 –82.68 –83.90 –85.39 INTEG BW 750.0kHz 5.250MHz 6.000MHz 6.000MHz 6.000MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz 24.00MHz CARRIER POWER –12.778dBm/6MHz ACP-IBW –72.6dBc –71.1dBc –69.9dBc –68.7dBc –12.6dBm –67.9dBc –68.6dBc –70.6dBc –72.3dBc –35 –45 –55 –65 –75 –85 –95 –105 –115 Figure 39. High Band Narrow-Band ACLR |
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