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–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
FREQUENCY (MHz)
Figure 34. Wideband Spectral Plot of 88-Subcarrier OFDM Test Vector
(f
= 50 MSPS, 4× Interpolation)
DATA
105
100
2-TONE IMD
95
90
85
80
SNR
75
70
65
60
55
–24
–21
–18
–15
AOUT (dBFS)
Figure 35. SNR and SFDR vs. P
(f
= 12.55 MHz, f
= 50 MSPS, 4× Interpolation)
OUT
DATA
PAR = 11.4
RMS = –1.4
dBm
15
20
25
PAR = 11.4
RMS = –1.4dBm
100
125
150
175
200
–12
–9
–6
–3
0
OUT
Rev. A | Page 17 of 48
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
5
10
15
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
FREQUENCY (MHz)
Figure 37. Wideband Spectral Plot of 111-Carrier OFDM Test Vector
(f
= 80 MSPS, 2× Interpolation)
DATA
100
95
90
85
80
75
70
65
60
55
–24
–21
–18
–15
AOUT (dBFS)
Figure 38. SNR and SFDR vs. P
(f
= 20 MHz, f
= 80 MSPS, 2× Interpolation)
OUT
DATA
AD9866
PAR = 11.4
RMS = –1.4dBm
20
25
30
35
40
PAR = 11.4
RMS = –1.4dBm
80
100
120
140
160
2-TONE IMD
SNR
–12
–9
–6
–3
0
OUT
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