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AD9739ABBCZ Datasheet(PDF) 38 Page - Analog Devices |
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AD9739ABBCZ Datasheet(HTML) 38 Page - Analog Devices |
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38 / 64 page  AD9737A/AD9739A Data Sheet Rev. D | Page 38 of 64 64- AND 128-CARRIER DOCSIS PERFORMANCE (NORMAL MODE) IOUTFS = 20 mA, fDAC = 2.4576 GSPS, nominal supplies, TA = 25°C, unless otherwise noted. VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –33.209dBm –58.804dB –55.165dB 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) Y –33.210dBm –58.746dB –55.165dB f f f 1 1 1 1 2 3 X N ∆1 ∆1 MODE MKR SCL TRC 478.75MHz 372.10MHz 132.70MHz –52 –62 –72 –82 –92 –102 –112 –122 –132 1 3 ∆1 2 ∆1 Figure 146. 64-Carrier Low Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –35.873dBm –58.625dB –59.286dB 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) Y –35.872dBm –58.5816dB –59.214dB f f f 1 1 1 1 2 3 X N ∆1 ∆1 MODE MKR SCL TRC 978.45MHz –901.85MHz –561.75MHz –52 –62 –72 –82 –92 –102 –112 –122 –132 1 2 ∆1 3 ∆1 Figure 147. 64-Carrier High Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –35.495dBm –55.328dB –37.545dBm 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER ( ∆) ( ∆) ( ∆) Y –35.495dBm –55.328dB –37.544dBm f f f 1 1 1 1 2 3 X N ∆1 1 MODE MKR SCL TRC 69.00MHz 855.95MHz 831.85MHz –50 –60 –70 –80 –90 –100 –110 –120 –130 1 3 2 ∆1 Figure 148. 128-Carrier Wideband ACLR SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 478MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –60.80 –62.25 –61.47 –61.54 –61.40 dBm –93.21 –94.66 –93.88 –93.95 –93.81 LOWER dBc –10.83 –0.267 0.139 0.201 0.308 dBm –43.24 –32.68 –32.27 –32.21 –32.10 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 –32.409dBm/6MHz ACP-IBW 0.3dBc 0.2dBc 0.1dBc –0.3dBc –32.4dBm –62.3dBc –61.5dBc –61.4dBc –61.5dBc –51 –61 –71 –81 –91 –101 –111 –121 –131 Figure 149. 64-Carrier Low Band Narrow-Band ACLR SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 600MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –11.48 –0.284 0.099 0.221 0.060 dBm –45.04 –33.84 –33.46 –33.34 –33.50 LOWER dBc –60.02 –61.11 –60.57 –60.64 –60.58 dBm –93.58 –94.66 –94.13 –94.20 –94.14 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 –33.558dBm/6MHz ACP-IBW –60.6dBc –60.6dBc –60.6dBc –61.1dBc –33.6dBm –0.3dBc –0.1dBc 0.1dBc 0.2dBc –51 –61 –71 –81 –91 –101 –111 –121 –131 Figure 150. 64-Carrier High Band Narrow-Band ACLR SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 832MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –59.34 –57.70 –56.56 –56.49 –56.35 dBm –96.67 –95.03 –93.89 –93.82 –93.69 LOWER dBc –10.77 –0.277 0.318 0.328 0.337 dBm –48.10 –37.61 –37.01 –37.00 –37.00 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 –37.33dBm/6MHz ACP-IBW 0.3dBc 0.3dBc 0.3dBc –0.3dBc –37.3dBm –57.7dBc –56.6dBc –56.4dBc –56.5dBc –50 –60 –70 –80 –90 –100 –110 –120 –130 Figure 151. 128-Carrier Narrow-Band ACLR |
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