AD9520-1
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
Figure 24. Internal VCO Phase Noise (Absolute), Direct-to-LVPECL @ 2475 MHz
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
Figure 25. Internal VCO Phase Noise (Absolute), Direct-to-LVPECL @ 2650 MHz
–100
–110
–120
–130
–140
–150
–160
10
100
1k
10k 100k
1M
10M 100M
FREQUENCY (Hz)
Figure 26. Additive (Residual) Phase Noise, CLK-to-LVPECL @
245.76 MHz, Divide-by-1
–100
–110
–120
–130
–140
–150
–160
10
100
1k
10k 100k
1M
10M 100M
FREQUENCY (Hz)
Figure 27. Additive (Residual) Phase Noise, CLK-to-LVPECL @
200 MHz, Divide-by-5
–100
–110
–120
–130
–140
–150
–160
10
100
1k
10k 100k
1M
10M 100M
FREQUENCY (Hz)
Figure 28. Additive (Residual) Phase Noise, CLK-to-LVPECL @
1600 MHz, Divide-by-1
–110
–120
–130
–140
–150
–160
–170
10
100
1k
10k 100k
1M
10M 100M
FREQUENCY (Hz)
Figure 29. Additive (Residual) Phase Noise, CLK-to-CMOS @
50 MHz, Divide-by-20
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