AD6684 datasheet(16/107 Pages) AD

16 / 107 page

AD6684

Data Sheet

Rev. 0 | Page 16 of 107

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FREQUENCY (MHz)

150

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250

AIN1 AND AIN2 = –7dBFS

SFDR = 86.4dBFS

Figure 18. Two Tone FFT; fIN1 = 153.5 MHz, fIN2 = 156.5 MHz

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–120

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–60

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100

FREQUENCY (MHz)

150

200

250

AIN1 AND AIN2 = –7dBFS

SFDR = 85.9dBFS

Figure 19. Two Tone FFT; fIN1 = 303.5 MHz, fIN2 = 306.5 MHz

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–90 –84 –78 –72 –66 –60 –54 –48

ANALOG INPUT AMPLITUDE (dBFS)

–42 –36 –30 –24 –18 –12

IMD3 (dBc)

IMD3 (dBFS)

SFDR (dBFS)

SFDR (dBc)

Figure 20. Two Tone SFDR/IMD3 vs. Analog Input Amplitude (AIN) with

fIN1 = 303.5 MHz and fIN2 = 306.5 MHz

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120

–100 –90

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ANALOG INPUT FREQUENCY (MHz)

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SFDR (dBFS)

SNRFS

SFDR (dBc)

SNR

Figure 21. SNR/SFDR vs. Analog Input Frequency, fIN = 155 MHz

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–100 –90

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ANALOG INPUT FREQUENCY (MHz)

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SFDR (dBFS)

SNRFS

SFDR (dBc)

SNR

Figure 22. SNR/SFDR vs. Analog Input Frequency, fIN = 305 MHz

JUNCTION TEMPERATURE (°C)

SFDR

SNR

Figure 23. SNR/SFDR vs. Junction Temperature, fIN = 155 MHz

AD6684 Datasheet(PDF) 16 Page - Analog Devices

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