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AD6676EBZ 数据表(PDF) 17 Page - Analog Devices |
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AD6676EBZ 数据表(HTML) 17 Page - Analog Devices |
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17 / 90 page  Data Sheet AD6676 Rev. A | Page 17 of 90 NOMINAL PERFORMANCE FOR IF = 250 MHz AND BW = 75 MHz FIF = 250 MHz, BW = 75 MHz, FADC = 3.2 GHz, attenuator = 0 dB, LEXT = 19 nH, maximum PIN_0dBFS setting, fDATA_IQ = 200 MSPS, nominal supplies, shuffler enabled (every clock cycle), with default threshold settings, unless otherwise noted. 0.25 –0.50 –0.25 0 210 220 230 240 250 260 270 280 290 FREQUENCY (MHz) Figure 34. IF Pass Band Flatness (Includes Digital Filter) –150 –151 –152 –153 –154 –155 –156 –157 –158 –159 –160 210 220 230 240 250 260 270 280 290 INPUT FREQUENCY (MHz) NSD (–1 dBFS SIGNAL) NSD (NO SIGNAL) Figure 35. NSD With and Without Full-Scale CW at 243 MHz 0 –120 –100 –80 –60 –40 –20 210 220 230 240 250 260 270 280 290 INPUT FREQUENCY (MHz) –1 dBFS AT 288MHz NBW = 9.2kHz IF PASS BAND REGION Figure 36. Spectral Plot of IF Pass Band Region with −1 dBFS CW at 288 MHz 5 –30 –25 –20 –15 –10 –5 0 0 100 200 300 400 500 600 700 FREQUENCY (MHz) Figure 37. Wideband Frequency Response (Before Digital Filter) –150 –151 –152 –153 –154 –155 –156 –157 –158 –159 –160 –44 –3 –5 –8 –11 –14 –17 –20 –23 –26 –29 –32 –35 –38 –41 INPUT POWER (dBm) PIN_0dBFS = –2.3dBm 287.5MHz 212.5MHz 250MHz Figure 38. NSD vs. CW Input Power, CW at 243 MHz (NSD Measured at 250 MHz as well as 212.5 MHz and 287.5 MHz Band Edges) –75.0 –75.5 –76.0 –76.5 –77.0 –77.5 –78.0 –78.5 –79.0 –79.5 –80.0 –45 –3 –6 –9 –12 –15 –18 –21 –24 –27 –30 –33 –36 –39 –42 INPUT POWER (dBm) PIN_0dBFS = –2.3dBm Figure 39. IBN in the Pass Band Region (BW = 75 MHz) vs. Swept Single Tone Input Power with CW at 288 MHz |
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