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AD9146BCPZ Datasheet(PDF) 14 Page - Analog Devices |
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AD9146BCPZ Datasheet(HTML) 14 Page - Analog Devices |
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14 / 56 page  AD9146 Data Sheet Rev. A | Page 14 of 56 –80 –78 –76 –74 –72 –70 –68 –66 –64 –62 –60 0 40 80 120 160 200 240 280 320 360 400 440 480 fOUT (MHz) 2×, PLL OFF 2×, PLL ON 4×, PLL OFF 4×, PLL ON Figure 21. Four-Carrier W-CDMA ACLR vs. fOUT over Interpolation, Second Alternate Channel, fDATA = 245.76 MSPS, PLL Off and PLL On CENTER 122MHz #RES BW 30kHz SPAN 49.68MHz SWEEP 1.371s VBW 3kHz –35 –25 –55 –45 –75 –65 –95 –105 –125 –115 –85 OFFSET FREQ FILTER CARRIER POWER INTEG BW dBc LOWER ACP-IBW TOTAL CARRIER POWER –16.469dBm/15.36MHz UPPER dBm dBc dBm FILTER 5MHz 10MHz 15MHz ON 1 –22.205dBm/3.84MHz 3.84MHz 3.84MHz 3.84MHz –76.37 –77.45 –77.59 –98.78 –99.85 –99.99 –77.11 –77.49 –77.51 –99.52 –99.89 –99.91 ON ON ON –22.2dBm –22.4dBm –22.7dBm –22.7dBm Figure 22. Four-Carrier W-CDMA Performance, 4× Interpolation, fDATA = 245.76 MSPS, Digital Scale = −6 dBFS, fOUT = 122 MHz –84 –82 –80 –78 –76 –74 –72 –70 –68 –66 –64 –62 –60 0 40 80 120 160 200 240 280 320 360 400 440 480 fOUT (MHz) 1 CARRIER 4 CARRIER Figure 23. W-CDMA ACLR vs. fOUT over Number of Carriers, Adjacent Channel, 4× Interpolation, fDATA = 245.76 MSPS, Digital Scale = −6 dBFS, PLL Off CENTER 200MHz #RES BW 30kHz SPAN 49.68MHz SWEEP 1.371s VBW 3kHz –35 –25 –55 –45 –75 –65 –95 –105 –125 –115 –85 –23.3dBm –22.9dBm –22.6dBm –22.8dBm OFFSET FREQ FILTER CARRIER POWER INTEG BW dBc LOWER ACP-IBW TOTAL CARRIER POWER –16.873dBm/15.36MHz UPPER dBm dBc dBm FILTER 5MHz 10MHz 15MHz ON 1 –23.284dBm/3.84MHz 3.84MHz 3.84MHz 3.84MHz –76.55 –76.73 –76.64 –99.49 –99.67 –99.59 –75.66 –75.68 –75.88 –98.60 –98.62 –98.83 ON ON ON Figure 24. Four-Carrier W-CDMA Performance, 4× Interpolation, fDATA = 245.76 MSPS, Digital Scale = −6 dBFS, fOUT = 200 MHz |
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