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AD6676EBZ 数据表(PDF) 18 Page - Analog Devices |
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AD6676EBZ 数据表(HTML) 18 Page - Analog Devices |
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18 / 90 page ![]() AD6676 Data Sheet Rev. A | Page 18 of 90 0 –120 –100 –80 –60 –40 –20 150 170 190 210 230 250 270 290 310 330 350 INPUT FREQUENCY (MHz) IF PASS BAND REGION WORST SWEPT SPUR FOR –1dBFS CW AT –3.4dBm < –88dBFS –1dBFS AT 315MHz –79dBFS AT 200MHz CLOCK SPUR –88dBFS NBW = 9.2kHz Figure 40. Worst Spur Falling in 75 MHz Pass Band for Swept CW from 150 MHz to 300 MHz 0 –120 –100 –80 –60 –40 –20 210 290 280 270 260 250 240 230 220 INPUT FREQUENCY (MHz) 2 TONE AT –8dBFS (–10.4dBm) AT 247.5MHz AND 252.2MHz –94dBFS –102dBFS NBW = 9.2kHz Figure 41. Two-Tone IMD Performance (f1 = 247.5 MHz, f2 = 252.5 MHz) INPUT AMPLITUDE (dBFS) –39 –6 –9 –12 –15 –18 –21 –24 –27 –30 –33 –36 –80 –85 –90 –95 –100 –105 –110 –115 –120 –125 –130 Figure 42. Swept Two-Tone Worst IMD3 vs. Tone Level (dBFS) (f1 = 252.5 MHz, f2 = 257.5 MHz) –80 –85 –90 –95 –100 –105 –110 –115 INPUT FREQUENCY (MHz) 150 170 190 210 230 250 270 290 310 330 350 –1dBFS –6dBFS –12dBFS –18dBFS Figure 43. Swept Worst Pass Band Spur with CW Swept from 150 MHz to 300 MHz for PIN = −1 dBFS, −6 dBFS, −12 dBFS, and −18 dBFS 0 –120 –100 –80 –60 –40 –20 210 290 280 270 260 250 240 230 220 INPUT FREQUENCY (MHz) –91dBFS –91dBFS 2 TONE AT –8dBFS (–10.4dBm) AT 238MHz AND 262MHz NBW = 9.2kHz Figure 44. Two-Tone IMD Performance (f1 = 238 MHz, f2 = 262 MHz) FREQUENCY (MHz) 210 220 230 240 250 260 270 280 290 300 –80 –85 –90 –95 –100 –105 –110 –20dBFS –14dBFS –8dBFS Figure 45. Swept Two-Tone Worst IMD3 vs. Frequency over Pass Band (∆f = 5 MHz for Two Tones, PIN =−8 dBFS, −14 dBFS, and −20 dBFS ) |
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