
AD9518-0
Data Sheet
Rev. C | Page 18 of 64
–70
–80
–90
–100
–110
–120
–130
–140
–160
–150
10k
100M
10M
1M
100k
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
FREQUENCY (Hz)
06429-
023
Figure 17. Internal VCO Phase Noise (Absolute) Direct to LVPECL at 2950 MHz
–80
–90
–100
–110
–120
–130
–140
–150
10k
100M
10M
1M
100k
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
FREQUENCY (Hz)
06429-
024
Figure 18. Internal VCO Phase Noise (Absolute) Direct to LVPECL at 2750 MHz
–80
–90
–100
–110
–120
–130
–140
–150
10k
100M
10M
1M
100k
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
FREQUENCY (Hz)
06429-
025
Figure 19. Internal VCO Phase Noise (Absolute) Direct to LVPECL at 2550 MHz
–120
–130
–125
–135
–140
–145
–150
–155
–160
10
100M
10M
1M
100k
10k
1k
100
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
FREQUENCY (Hz)
06429-
026
Figure 20. Phase Noise (Additive) LVPECL at 245.76 MHz, Divide-by-1
–110
–120
–130
–140
–150
–160
10
100M
10M
1M
100k
10k
1k
100
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
FREQUENCY (Hz)
06429-
027
Figure 21. Phase Noise (Additive) LVPECL at 200 MHz, Divide-by-5
–100
–110
–120
–130
–140
–150
10
100M
10M
1M
100k
10k
1k
100
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
FREQUENCY (Hz)
06429-
128
Figure 22. Phase Noise (Additive) LVPECL at 1600 MHz, Divide-by-1