Datasheet

AD9525 Data Sheet
Rev. A | Page 16 of 48
10
–80
–90
–100
–110
–120
–130
–140
–150
–160
–170
100
1k
10M
100k
1M
10k
20M
PHASE NOISE (dBc)
FREQUENCY (Hz)
10011-010
Figure 10. Additive (Residual) Phase Noise, CLK-to-LVPECL at 122.88 MHz,
Divide-by-1
10
–80
–90
–100
–110
–120
–130
–140
–150
–160
–170
100 1k 10M100k 1M10k 100M
PHASE NOISE (dBc)
FREQUENCY (Hz)
10011-011
Figure 11. Additive (Residual) Phase Noise, CLK-to-LVPECL at 1500 MHz,
Divide-by-1
–20
–40
–60
–80
–100
–120
–140
–160
–170
–180
100 1k 10M 100M100k 1M10k
PHASE NOISE (dBc)
FREQUENCY (Hz)
–30
–50
–70
–90
–110
–130
–150
10011-012
1: 1kHz, –103.4dBc/Hz
2: 10kHz, –109.2dBc/Hz
3: 100kHz, –130.6dBc/Hz
4: 800kHz, –147.3dBc/Hz
5: 1MHz, –148.5dBc/Hz
6: 10MHz, –152.9dBc/Hz
7: 100MHz, –154.4dBc/Hz
NOISE:
ANALYSIS RANGE X: START 1kHz
STOP 100MHz
INTG NOISE: –63.7dBc/100MHz
RMS NOISE: 919.9µRAD
52.7mdeg
RMS JITTER: 99.3fsec
1
2
3
4
5
7
6
Figure 12. Phase Noise (Absolute), External VCO
(Bowei Model MVCO-1475) at 1474.56 MHz; PFD = 122.88 MHz;
LBW = 18 kHz; LVPECL Output = 1474.56 MHz
–20
–40
–60
–80
–100
–120
–140
–160
–170
–180
100 1k 10M 100M100k 1M10k
PHASE NOISE (dBc)
FREQUENCY (Hz)
–30
–50
–70
–90
–110
–130
–150
10011-112
1: 1kHz, –96.0dBc/Hz
2: 10kHz, –106.3dBc/Hz
3: 100kHz, –137.2dBc/Hz
4: 800kHz, –144.5dBc/Hz
5: 1MHz, –144.6dBc/Hz
6: 10MHz, –147.7dBc/Hz
7: 100MHz, –152.4dBc/Hz
NOISE:
ANALYSIS RANGE X: START 1kHz
STOP 100MHz
INTG NOISE: –59.5dBc/100MHz
RMS NOISE: 1.5mRAD
86.2mdeg
RMS JITTER: 81.2fsec
1
2
3
4
5
7
6
Figure 13. Phase Noise (Absolute), External VCO (Z-Communications Model
CRO-2950) at 2949.12 MHz; PFD = 122.88 MHz; LBW = 8 kHz;
LVPECL Output = 2949.12 MHz
100 1k 10M 100M100k 1M10k
PHASE NOISE (dBc)
FREQUENCY (Hz)
10011-013
1: 1kHz, –109.3936dBc/Hz
2: 10kHz, –113.5616dBc/Hz
3: 100kHz, –143.3042dBc/Hz
4: 800kHz, –150.5212dBc/Hz
5: 1MHz, –150.7666dBc/Hz
6: 10MHz, –152.9127dBc/Hz
7: 100MHz, –156.0506 dBc/Hz
1
2
3
4
5
7
6
–20
–40
–60
–80
–100
–120
–140
–160
–170
–180
–30
–50
–70
–90
–110
–130
–150
NOISE:
ANALYSIS RANGE X: START 1kHz
STOP 100MHz
INTG NOISE: –67.8dBc/100MHz
RMS NOISE: 575.9µRAD
33.0mdeg
RMS JITTER: 62.2fsec
Figure 14. Phase Noise (Absolute), External VCO (Z-Communications Model
CRO-2950) at 2949.12 MHz; PFD = 122.88 MHz; LBW = 8k Hz;
LVPECL Output = 1474.56 MHz
100 1k 10M100k 1M10k
PHASE NOISE (dBc)
FREQUENCY (Hz)
10011-014
1: 1kHz, –136.9dBc/Hz
2: 10kHz, –150.3dBc/Hz
3: 100kHz, –156.4dBc/Hz
4: 800kHz, –161.1dBc/Hz
5: 1MHz, –160.9dBc/Hz
6: 10MHz, –161.7dBc/Hz
7: 100MHz, –161.8dBc/Hz
NOISE:
ANALYSIS RANGE X: START 12kHz
STOP 20MHz
INTG NOISE: –88.6dBc/20.0MHz
RMS NOISE: 52.8µRAD
3.0mdeg
RMS JITTER: 68.4fsec
1
2
3
4
5
7
6
–20
–40
–60
–80
–100
–120
–140
–160
–170
–180
–30
–50
–70
–90
–110
–130
–150
Figure 15. Phase Noise (Absolute), External VCXO (122.88 MHz VCXO)
(Crystek CVHD-950); Reference = 122.88 MHz; R Divider = 1);
LBW = 40 Hz; LVPECL Output = 122.88 MHz