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AD9739ABBCZ 数据表(PDF) 25 Page - Analog Devices |
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AD9739ABBCZ 数据表(HTML) 25 Page - Analog Devices |
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25 / 64 page  Data Sheet AD9737A/AD9739A Rev. | Page 25 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 –33.680dBm –46.450dB –56.577dB 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) Y –33.679dBm –46.452dB –56.577dB f f f 1 1 1 1 2 3 X N Δ1 Δ1 MODE MKR SCL TRC 448.05MHz 165.30MHz 372.40MHz –50 –60 –70 –80 –90 –100 –110 –120 –130 2 Δ1 3 Δ1 1 Figure 72. Low Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –34.413dBm –56.033dB –36.289dBm 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER (Δ) (Δ) (Δ) Y –34.413dBm –56.033dB –36.289dBm f f f 1 1 1 1 2 3 X N Δ1 N MODE MKR SCL TRC 599.10MHz –292.60MHz 978.15MHz –50 –60 –70 –80 –90 –100 –110 –120 –130 1 2 Δ1 3 Figure 73. High Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz FUNCTION VALUE FUNCTION WIDTH FUNCTION –35.909dBm –53.920dB –38.646dBm 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER (Δ) (Δ) (Δ) Y –34.909dBm –53.920dB –38.646dBm f f f 1 1 1 1 2 3 X N Δ1 N MODE MKR SCL TRC 69.95MHz 855.00MHz 831.85MHz –50 –60 –70 –80 –90 –100 –110 –120 –130 1 2 Δ1 3 Figure 74. 128-Carrier Low Band Wideband ACLR SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 448MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –59.56 –60.04 –58.69 –59.04 –58.86 dBm –92.93 –93.41 –92.06 –92.40 –92.23 LOWER dBc –11.02 –0.337 0.050 0.064 0.099 dBm –44.39 –33.74 –33.32 –33.30 –33.27 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 –33.368dBm/6MHz ACP-IBW 0.1dBc 0.1dBc 0.0dBc –0.4dBc –33.4dBm –60.0dBc –58.7dBc –58.9dBc –59.0dBc –50 –60 –70 –80 –90 –100 –110 –120 –130 Figure 75. 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 –11.06 –0.380 –0.004 –0.012 0.043 dBm –44.91 –34.23 –33.85 –33.86 –33.81 LOWER dBc –58.63 –59.29 –58.37 –57.84 –58.04 dBm –92.48 –93.14 –92.22 –91.69 –91.89 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 –33.849dBm/6MHz ACP-IBW –58.0dBc –57.8dBc –58.4dBc –59.3dBc –33.8dBm ––0.4dBc 0.0dBc 0.0dBc 0.0dBc –50 –60 –70 –80 –90 –100 –110 –120 –130 Figure 76. 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 –59.28 –54.33 –53.36 –53.35 –53.07 dBm –97.73 –92.79 –91.82 –91.81 –91.53 LOWER dBc –11.07 –0.210 0.353 0.253 0.292 dBm –49.53 –38.67 –38.10 –38.20 –38.16 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 –38.456dBm/6MHz ACP-IBW 0.3dBc 0.3dBc 0.4dBc –0.2dBc –38.5dBm –54.3dBc –53.4dBc –53.1dBc –53.3dBc –50 –60 –70 –80 –90 –100 –110 –120 –130 Figure 77. 128-Carrier Narrow-Band ACLR C |
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