Datasheet

AD9540
Rev. A | Page 16 of 32
FREQUENCY (Hz)
L(f) (dBc/Hz)
0
–10
–20
–30
–40
–60
–50
–70
–80
–90
–100
–110
–130
–120
–140
–160
–150
–170
10 1k100 10k 100k 10M1M
04947-035
Figure 28. RF Divider and CML Driver Residual
Phase Noise (2488 MHz In, 622 MHz Out)
FREQUENCY (Hz)
L(f) (dBc/Hz)
0
–10
–20
–30
–40
–60
–50
–70
–80
–90
–100
–110
–130
–120
–140
–160
–150
–180
–170
10 1k100 10k 100k 1M 20M
04947-0-036
Figure 29. Total System Phase Noise for 105 MHz Converter Clock
FREQUENCY (Hz)
L(f) (dBc/Hz)
0
–10
–20
–30
–40
–60
–50
–70
–80
–90
–100
–110
–130
–120
–140
–160
–150
–180
–170
10 1k100 10k 100k 1M 20M
04947-0-037
Figure 30. Total System Phase Noise for 210 MHz Converter Clock
FREQUENCY (Hz)
L(f) (dBc/Hz)
0
–10
–20
–30
–40
–60
–50
–70
–80
–90
–100
–110
–130
–120
–140
–160
–150
–180
–170
10 1k100 10k 100k 1M 20M
04947-0-038
Figure 31. Total System Phase Noise for 622 MHz OC-12 Clock