AD9864_15 Datasheet, PDF (12/44 Pages) Analog Devices – IF Digitizing Subsystem

AD9864
10.0
9.5
16-BIT
DATA
9.0
8.5
16-BIT DATA
WITH DVGA ENABLED
24-BIT
DATA
8.0
7.5
10
100
CHANNEL BANDWIDTH (kHz)
1000
Figure 15. Noise Figure vs. BW (Minimum Attenuation, fCLK = 26 MSPS)
14
13
BW = 75kHz
(K = 0, M = 1)
12
BW = 50kHz
(K = 0, M = 2)
11
BW = 15kHz
(K = 0, M = 9)
10
9
8
7
0
3
6
9
12
VGA ATTENUATION (dB)
Figure 16. Noise Figure vs. VGA Attenuation (fCLK = 18 MSPS)
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–45
–5
–10
PIN
–15
–20
–25
–30
–35
–40
–45
–42 –39 –36 –33 –30 –27 –24
IFIN (dB)
Figure 17. IMD vs. IFIN (fCLK = 13 MSPS)
11.5
11.0
10.5
BW = 27.08kHz
(K = 0, M = 3)
10.0
BW = 12.04kHz
(K = 0, M = 8)
9.5
9.0
BW = 6.78kHz
8.5
(K = 0, M = 15)
8.0
7.5
7.0
0
3
6
9
12
VGA ATTENUATION (dB)
Figure 18. Noise Figure vs. VGA Attenuation (fCLK = 13 MSPS)
14
13
BW = 135.42kHz
(K = 1, M = 1)
12
BW = 90.28kHz
(K = 1, M = 2)
11
10
BW = 27.08kHz
(K = 1, M = 9)
9
8
7
0
3
6
9
12
VGA ATTENUATION (dB)
Figure 19. Noise Figure vs. VGA Attenuation (fCLK = 26 MSPS)
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–45
–5
–10
PIN
–15
–20
–25
–30
–35
–40
–45
–42
–39 –36
–33 –30
–27 –24
IFIN (dBm)
Figure 20. IMD vs. IFIN (fCLK = 18 MSPS)
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