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AD9684
0
–20
SFDR (dBc)
–40
IMD3 (dBc)
–60
–80
–100
–120
SFDR (dBFS)
IMD3 (dBFS)
–140
–90 –84 –78 –72 –66 –60 –54 –48 –42 –36 –30 –24 –18 –12 –6
INPUT AMPLITUDE (dBFS)
Figure 24. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 184 MHz
and fIN2 = 187 MHz
0
–20
SFDR (dBc)
–40
IMD3 (dBc)
–60
–80
–100
SFDR (dBFS)
–120
IMD3 (dBFS)
–140
–90 –84 –78 –72 –66 –60 –54 –48 –42 –36 –30 –24 –18 –12 –6
INPUT AMPLITUDE (dBFS)
Figure 25. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 338 MHz
and fIN2 = 341 MHz
100
SFDR (dBc)
80
SNR (dBc)
60
SFDR (dBFS)
40
SNR (dBc)
20
0
–20
–40
INPUT AMPLITUDE (dBFS)
Figure 26. SNR/SFDR vs. Input Amplitude, fIN = 170.3 MHz
90
SFDR
85
80
75
70
SNR
65
–40 –25 –10 0 15 25 40 55 70 85
TEMPERATURE (°C)
Figure 27. SNR/SFDR vs. Temperature, fIN = 170.3 MHz
2.30
2.25
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1.85
1.80
SAMPLE RATE (MSPS)
Figure 28. Power Dissipation vs. Sample Rate (fS) (Default SPI)
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