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AD6676EBZ 数据表(PDF) 13 Page - Analog Devices |
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AD6676EBZ 数据表(HTML) 13 Page - Analog Devices |
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13 / 90 page  Data Sheet AD6676 Rev. D | Page 13 of 90 0 –130 –90 –100 –110 –120 –80 –70 –60 –50 –40 –30 –20 –10 80 90 100 110 120 130 140 150 INPUT FREQUENCY (MHz) IF PASS BAND REGION = 20MHz WORST SWEPT SPUR FOR –1dBFS CW AT –3dBm 2 × fDATA-IQ CLOCK SPUR AT 150MHz, AT –87dBFS –1dBFS AT 101.6MHz –111dBFS Figure 10. Worst Spur Falling in 75 MHz Pass Band for Swept CW from 77.5 MHz to 152.5 MHz 105 125 120 115 110 INPUT FREQUENCY (MHz) NBW = 3.4kHz 0 –130 –90 –100 –110 –120 –80 –70 –60 –50 –40 –30 –20 –10 TWO TONES AT –8dBFS (–10.9dBm) AT 114MHz AND 116MHz –95dBFS –94dBFS Figure 11. Two-Tone IMD Performance (f1 = 114 MHz, f2 = 116 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 12. Swept Two-Tone Worst IMD3 vs. Tone Input Amplitude (f1 = 113 MHz, f2 =118 MHz) INPUT FREQUENCY (MHz) 77.5 87.5 97.5 107.5 117.5 127.5 137.5 147.5 152.5 –100 –103 –106 –109 –112 –115 –1dBFS –6dBFS –12dBFS –18dBFS Figure 13. Worst Pass Band Spur with Swept CW from 77.5 MHz to 150 MHz, over PIN = −1 dBFS, −6 dBFS, −12 dBFS, and −18 dBFS 0 –130 –90 –100 –110 –120 –80 –70 –60 –50 –40 –30 –20 –10 105 125 120 115 110 INPUT FREQUENCY (MHz) –95dBFS –95dBFS TWO TONES AT –8dBFS (–10.9dBm) AT 108MHz AND 110MHz NBW = 3.4kHz Figure 14. Two-Tone IMD Performance (f1 = 108 MHz, f2 = 110 MHz) FREQUENCY (MHz) 110 135 130 125 120 115 –80 –85 –90 –95 –100 –105 –110 –20dBFS –14dBFS –8dBFS Figure 15. 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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