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AD9739ABBCZ 数据表(PDF) 22 Page - Analog Devices |
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AD9739ABBCZ 数据表(HTML) 22 Page - Analog Devices |
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22 / 64 page  AD9737A/AD9739A Data Sheet Rev. | Page 22 of 64 EIGHT-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 –40 –50 –60 –70 –80 –90 –100 –120 –110 VBW 2kHz 1 2 Δ1 3 Δ1 FUNCTION VALUE FUNCTION WIDTH FUNCTION –22.253dBm –66.457dB –55.791dB 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) Y –22.253dBm –66.457dB –55.791dB f f f 1 1 1 1 2 3 X N Δ1 Δ1 MODE MKR SCL TRC 200.10MHz 235.60MHz 431.25MHz Figure 54. Low 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 Δ1 3 Δ1 FUNCTION VALUE FUNCTION WIDTH FUNCTION –23.585dBm –54.206dB –66.628dB 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) Y –23.586dBm –54.209dB –66.696dB f f f 1 1 1 1 2 3 X N Δ1 Δ1 MODE MKR SCL TRC 550.65MHz 62.70MHz 167.20MHz Figure 55. 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 Δ1 5 Δ1 4 Δ1 3 Δ1 FUNCTION VALUE FUNCTION WIDTH FUNCTION –26.330dBm –61.574dB –63.268dB –62.616dB –51.728dB 6MHz 6MHz 6MHz 6MHz 6MHz BAND POWER BAND POWER BAND POWER BAND POWER BAND POWER (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) (Δ) Y –26.330dBm –61.549dB –63.183dB –62.616dB –51.728dB f f f f f 1 1 1 1 1 1 2 3 4 5 X N Δ1 Δ1 Δ1 Δ1 MODE MKR SCL TRC 950.60MHz –448.40MHz –582.35MHz –80.75MHz –338.20MHz Figure 56. High Band Wideband ACLR SPAN 42MHz SWEEP 1.159s CENTER 200MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF dBc –10.96 –0.572 –0.250 –0.186 dBc –55.24 –70.28 –69.23 –69.11 dBm –34.25 –23.86 –23.54 –23.47 LOWER dBm –78.53 –93.56 –92.52 –92.40 INTEG BW 750kHz 5.25MHz 6MHz 6MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz CARRIER POWER –23.288dBm/6MHz ACP-IBW –40 –50 –60 –70 –80 –90 –100 –110 –120 VBW 3kHz –69.1dBc –69.2dBc –70.3dBc –23.3dBc –0.6dBc –0.2dBc –0.3dBc Figure 57. Low Band Narrow-Band ACLR (Worse Side) SPAN 42MHz SWEEP 1.159s CENTER 592MHz #RES BW 30kHz UPPER FILTER OFF OFF OFF OFF dBc –56.23 –66.75 –66.45 –66.78 dBc –10.79 –0.089 –0.289 –0.145 dBm –79.91 –90.43 –90.12 –90.46 LOWER dBm –34.47 –23.76 –23.39 –23.53 INTEG BW 750kHz 5.25kHz 6MHz 6MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz CARRIER POWER –23.676dBm/6MHz ACP-IBW –40 –50 –60 –70 –80 –90 –100 –110 –120 VBW 3kHz 0.1dBc 0.3dBc –66.8dBc –66.4dBc –0.1dBc –23.7dBc –66.8dBc Figure 58. 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 –10.99 –0.366 –0.073 –0.053 –0.225 dBc –60.71 –62.67 –62.21 –62.68 –63.49 dBm –37.38 –26.75 –26.31 –26.33 –26.16 LOWER dBm –87.10 –89.06 –88.60 –89.07 –89.88 INTEG BW 750kHz 5.25kHz 6MHz 6MHz 6MHz OFFSET FREQ 3.375MHz 6.375MHz 12.00MHz 18.00MHz 24.00MHz CARRIER POWER –26.388dBm/6MHz ACP-IBW –40 –50 –60 –70 –80 –90 –100 –110 –120 VBW 3kHz –63.5dBc –62.7dBc 0.1dBc 0.1dBc 0.2dBc –62.2dBc –62.7dBc –26.4dBm –0.4dBc Figure 59. High Band Narrow-Band ACLR C |
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