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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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AD9739A bảng dữ liệu(PDF) 21 Page - Analog Devices |
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AD9739A bảng dữ liệu(HTML) 21 Page - Analog Devices |
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21 / 44 page  AD9739A Rev. 0 | Page 21 of 44 64- AND 128-CARRIER DOCSIS PERFORMANCE (NORMAL MODE) IOUTFS = 20 mA, fDAC = 2.4576 GSPS, nominal supplies, 25°C, unless otherwise noted. VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz –52 –62 –72 –82 –92 –102 –112 –122 –132 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 3∆1 2∆1 1 Figure 64. Low Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz –52 –62 –72 –82 –92 –102 –112 –122 –132 FUNCTION VALUE FUNCTION WIDTH FUNCTION –35.873dBm –58.625dB –59.286dB 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER (∆) (∆) (∆) (∆) (∆) (∆) Y –35.872dBm –58.581dB –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 3∆1 2∆1 1 Figure 65. Mid Band Wideband ACLR VBW 2kHz STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz –52 –62 –72 –82 –92 –102 –112 –122 –132 FUNCTION VALUE FUNCTION WIDTH FUNCTION –37.983dBm –55.764dB –56.953dB 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER (∆) (∆) (∆) (∆) (∆) (∆) Y –37.954dBm –55.764dB –57.007dB f f f 1 1 1 1 2 3 X N ∆1 ∆1 MODE MKR SCL TRC 988.90MHz –481.95MHz –925.60MHz 1 2∆1 3∆1 Figure 66. 128-Carrier High Band 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 –51 –61 –71 –81 –91 –101 –111 –121 –131 0.3dBc 0.2dBc 0.1dBc –0.3dBc –32.4dBm –62.3dBc –61.5dBc –61.4dBc –61.5dBc Figure 67. Low Band Narrow-Band ACLR (Worst Side) SPAN 54MHz SWEEP 1.49s VBW 3kHz CENTER 600MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –11.84 –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 –51 –61 –71 –81 –91 –101 –111 –121 –131 –60.6dBc 33.6dBm 0.3dBc 0.1dBc 0.1dBc 0.2dBc –60.6dBc –61.1dBc –60.6dBc Figure 68. Mid Band Narrow-Band ACLR(Worst Side) |
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