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AD9739ABBCZ 数据表(PDF) 21 Page - Analog Devices |
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AD9739ABBCZ 数据表(HTML) 21 Page - Analog Devices |
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21 / 64 page  Data Sheet AD9737A/AD9739A Rev. D | Page 21 of 64 FOUR-CARRIER DOCSIS PERFORMANCE (NORMAL MODE) IOUTFS = 20 mA, fDAC = 2.4576 GSPS, nominal supplies, TA = 25°C, unless otherwise noted. STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz –30 –40 –50 –60 –70 –80 –90 –100 –110 VBW 2kHz 1 2 ∆1 5 ∆1 3 ∆1 4 ∆1 FUNCTION VALUE FUNCTION WIDTH FUNCTION –18.419dBm –69.277dB –71.485dB –72.343dB –59.518dB 6MHz 6MHz 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) Y –18.419dBm –69.252dB –71.282dB –72.100dB –59.520dB 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 200.10MHz 221.35MHz 431.30MHz 651.70MHz 413.25MHz Figure 48. Low Band Wideband ACLR STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz –30 –40 –50 –60 –70 –80 –90 –100 –110 VBW 2kHz 1 2 ∆1 5 ∆1 3 ∆1 4 ∆1 FUNCTION VALUE FUNCTION WIDTH FUNCTION –19.885dBm –70.252dB –69.581dB –67.793dB –58.085dB 6MHz 6MHz 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) Y –19.885dBm –70.252dB –69.535dB –67.793dB –58.085dB 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 549.70MHz –486.40MHz 126.35MHz 228.00MHz 63.65MHz Figure 49. Mid Band Wideband ACLR STOP 1GHz SWEEP 24.1s (1001pts) START 50MHz #RES BW 20kHz –40 –50 –60 –70 –80 –90 –100 –110 –120 VBW 2kHz 1 2 ∆1 5 ∆1 6 ∆1 3 ∆1 4 ∆1 FUNCTION VALUE FUNCTION WIDTH FUNCTION –21.676dBm –62.206dB –65.730dB –67.064dB –56.405dB –65.729dB 6MHz 6MHz 6MHz 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) ( ∆) Y –21.631dBm –62.206dB –65.730dB –67.064dB –56.405dB –65.729dB 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 950.60MHz –415.15MHz –529.15MHz –610.85MHz –337.25MHz –59.85MHz Figure 50. High Band Wideband ACLR SPAN 54MHz SWEEP 1.49s CENTER 218MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –58.82 –73.28 –72.92 –73.50 –73.74 dBc –10.82 –0.566 –0.123 –0.028 –53.18 dBm –76.71 –91.17 –90.81 –91.39 –91.63 LOWER dBm –28.71 –18.46 –17.77 –17.86 –71.07 INTEG BW 750kHz 5.25kHz 6MHz 6MHz 6MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz 24.00MHz CARRIER POWER –17.892dBm/6MHz ACP-IBW –40 –50 –60 –70 –80 –90 –100 –110 –120 VBW 3kHz –53.2dBc 0dBc –73.5dBc –72.9dBc –73.7dBc 0.1dBc –0.6dBc –17.9dBc –73.3dBc Figure 51. Low Band Narrow-Band ACLR (Worse Side) SPAN 54MHz SWEEP 1.49s CENTER 550MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –10.49 –0.526 –0.160 –0.024 –54.18 dBc –58.29 –68.28 –68.47 –69.72 –70.64 dBm –30.02 –20.06 –19.69 –19.56 –73.72 LOWER dBm –77.82 –87.81 –88.00 –89.25 –90.17 INTEG BW 750kHz 5.25kHz 6MHz 6MHz 6MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz 24.00MHz CARRIER POWER –17.892dBm/6MHz ACP-IBW –40 –50 –60 –70 –80 –90 –100 –110 –120 VBW 3kHz –70.6dBc –69.7dBc 0dBc –0.2dBc –54.2dBc –68.5dBc –68.3dBc –19.5dBc –0.5dBc Figure 52. Mid Band Narrow-Band ACLR (Worse Side) SPAN 54MHz SWEEP 1.49s CENTER 950MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF OFF dBc –11.04 –0.437 –0.172 –0.098 –53.11 dBc –59.52 –63.90 –64.29 –65.41 –66.57 dBm –32.55 –21.95 –21.68 –21.41 –74.62 LOWER dBm –81.03 –85.41 –85.80 –86.92 –88.08 INTEG BW 750kHz 5.25kHz 6MHz 6MHz 6MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz 24.00MHz CARRIER POWER –21.510dBm/6MHz ACP-IBW –40 –50 –60 –70 –80 –90 –100 –110 –120 VBW 3kHz –66.6dBc –65.4dBc 0.1dBc –0.2dBc –53.1dBc –64.3dBc –63.9dBc –21.5dBm –0.4dBc Figure 53. High Band Narrow-Band ACLR (Worse Side) |
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