AD9865CHIPS AD [Analog Devices], AD9865CHIPS Datasheet - Page 17

• Manufacturer Part Number: AD9865CHIPS
• Description: Broadband Modem Mixed-Signal Front End
• Manufacturer: AD [Analog Devices]

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