Analog Devices AD9865 Manual page 17

–20
–30
–40
–50
–60
–70
–80
–90
–100
0 5 10
FREQUENCY (MHz)
Figure 33. Spectral Plot of 84-Carrier OFDM Test Vector
(f = 50 MSPS, 4× Interpolation)
DATA
–20
–30
–40
–50
–60
–70
–80
–90
–100
0 25 50 75 100
FREQUENCY (MHz)
Figure 34. Wideband Spectral Plot of 88-Subcarrier OFDM Test Vector
(f = 50 MSPS, 4× Interpolation)
DATA
100
95
90
85
80
75
70
SNR
65
60
55
–24 –21 –18 –15 –12
AOUT (dBFS)
Figure 35. SNR and SFDR vs. P
(f = 12.55 MHz, f = 50 MSPS, 4× Interpolation)
OUT DATA
PAR = 11.4
RMS = –1.4dBm
15 20 25
PAR = 11.4
RMS = –1.4dBm
125 150 175 200
2-TONE IMD
–9 –6 –3 0
OUT
Rev. A | Page 17 of 48
–20
–30
–40
–50
–60
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–80
–90
–100
0 5 10 15 20
FREQUENCY (MHz)
Figure 36. Spectral Plot of 111-Carrier OFDM Test Vector
(f = 80 MSPS, 2× Interpolation)
DATA
–20
–30
–40
–50
–60
–70
–80
–90
–100
0 20 40 60 80
FREQUENCY (MHz)
Figure 37. Wideband Spectral Plot of 111-Carrier OFDM Test Vector
(f = 80 MSPS, 2× Interpolation)
DATA
95
2-TONE IMD
90
85
80
75
70
SNR
65
60
55
–24 –21 –18 –15 –12
AOUT (dBFS)
Figure 38. SNR and SFDR vs. P
(f = 20 MHz, f = 80 MSPS, 2× Interpolation)
OUT DATA
AD9865
PAR = 11.4
RMS = –1.4dBm
25 30 35 40
PAR = 11.4
RMS = –1.4dBm
100 120 140 160
–9 –6 –3 0
OUT