0
–10
ENCODE = 61.44MSPS
AIN = –7dBFS
–20 32k FFT
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
–4
–3
–2
–1
0
1
2
3
4
FREQUENCY (MHz)
Figure 8. Two Tones at 15 MHz and 16 MHz
100
90
80
70
SNR
60
50
40
–60
–50
–40
–30
–20
–10
0
ANALOG INPUT AMPLITUDE (dBFS)
Figure 9. Noise vs. Analog Amplitude at 25 MHz
100
90
80
HARMONICS
70
60
HARMONICS = 80dB
REFERENCE LINE
50
40
–60
–50
–40
–30
–20
–10
0
ANALOG INPUT AMPLITUDE (dBFS)
Figure 10. Harmonics vs. Analog Amplitude at 25 MHz
AD6652
0
–10
ENCODE = 61.44MSPS
AIN = –7dBFS
–20 32k FFT
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
–4
–3
–2
–1
0
1
2
3
4
FREQUENCY (MHz)
Figure 11. Two Tones at 55 MHz and 56 MHz
100
90
80
70
SNR
60
50
40
–60
–50
–40
–30
–20
–10
0
ANALOG INPUT AMPLITUDE (dBFS)
Figure 12. Noise vs. Analog Amplitude at 68 MHz
100
90
80
HARMONICS
70
HARMONICS = 80dB
REFERENCE LINE
60
50
40
–60
–50
–40
–30
–20
–10
0
ANALOG INPUT AMPLITUDE (dBFS)
Figure 13. Harmonics vs. Analog Amplitude at 68 MHz
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