Datasheet
Data Sheet AD9508
Rev. B | Page 17 of 40
Figure 27. Absolute Phase Noise in LVDS Mode with Clock Input at
622.08 MHz and Outputs = 622.08 MHz, 311.04 MHz, 155.52 MHz
Figure 28. Absolute Phase Noise of Clock Source at 622.08 MHz
Figure 29. Additive Phase Noise with Clock Input = 1474.56 MHz with HSTL
Outputs = 1474.76 MHz
Figure 30. Additive Phase Noise with Clock Input = 1500 MHz with HSTL
Outputs = 100 MHz
Figure 31. Additive Phase Noise with Clock Input = 622.08 MHz with HSTL
Outputs = 155.52 MHz
Figure 32. Additive Phase Noise with Clock Input = 622.08 MHz with LVDS
Outputs = 622.08 MHz
–160
–150
–140
–130
–120
–110
–100
–90
–80
PHASE NOISE (dBc/Hz)
LVDS 155.52MHz
LVDS 311.04MHz
LVDS 622.08MHz
11161-229
10 100 1k 10k 100k 10M 100M1M
FREQUENCY OFFSET (Hz)
–170
–160
–150
–140
–130
–120
–110
–100
–90
–80
1 1000 100000 10000000
PHASE NOISE (dBc/Hz)
FREQUENCY OFFSET (MHz)
11161-230
–170
–160
–150
–140
–130
–120
–110
–100
–90
–80
PHASE NOISE (dBc/Hz)
11161-329
10 100 1k 10k 100k 10M 100M1M
FREQUENCY (Hz)
MARKER
FREQUENCY
1. 10Hz
2. 100Hz
3. 1kHz
4. 10kHz
5. 100kHz
6. 1MHz
7. 10MHz
8. 100MHz
AMPLITUDE
–89.57dBc/Hz
–100.45dBc/Hz
–109.97dBc/Hz
–116.93dBc/Hz
–135.33dBc/Hz
–144.39dBc/Hz
–148.66dBc/Hz
–149.78dBc/Hz
2
3
4
5
6
7
8
1
–80
–90
–100
–110
–120
–130
–140
–150
–160
–170
10 100 1k 10k 100k 1M 10M 100M
MARKER
FREQUENCY
1. 10Hz
2. 100Hz
3. 1kHz
4. 10kHz
5. 100.5kHz
6. 1MHz
7. 10MHz
AMPLITUDE
–116.04dBc/Hz
–126.68dBc/Hz
–135.27dBc/Hz
–142.56dBc/Hz
–159.42dBc/Hz
–161.97dBc/Hz
–164.55dBc/Hz
2
3
4
5
6
7
1
FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
11161-330
–80
–90
–100
–110
–120
–130
–140
–150
–160
–170
10 100 1k 10k 100k 1M 10M 100M
MARKER
FREQUENCY
1. 10Hz
2. 100Hz
3. 1kHz
4. 10kHz
5. 100.5kHz
6. 1MHz
7. 10MHz
8. 20MHz
AMPLITUDE
–112.35dBc/Hz
–118.81dBc/Hz
–127.84dBc/Hz
–135.97dBc/Hz
–151.91dBc/Hz
–157.87dBc/Hz
–159.78dBc/Hz
–157.88dBc/Hz
FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
11161-129
2
3
4
5
6
7
8
1
–80
–90
–100
–110
–120
–130
–140
–150
–160
–170
10 100 1k 10k 100k 1M 10M 100M
MARKER
FREQUENCY
1. 10Hz
2. 100Hz
3. 1kHz
4. 10kHz
5. 100.5kHz
6. 1MHz
7. 10MHz
8. 20MHz
AMPLITUDE
–100.17dBc/Hz
–109.18dBc/Hz
–117.67dBc/Hz
–124.94dBc/Hz
–143.83dBc/Hz
–151.64dBc/Hz
–153.81dBc/Hz
–152.87dBc/Hz
2
3
4
5
6
7
8
1
FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
11161-130