Datasheet

Data Sheet AD9525
Rev. A | Page 17 of 48
100 1k 10M 100M100k 1M10k
PHASE NOISE (dBc)
FREQUENCY (Hz)
10011-015
1: 1kHz, –85.0dBc/Hz
2: 10kHz, –99.3dBc/Hz
3: 100kHz, –123.0dBc/Hz
4: 800kHz, –140.7dBc/Hz
5: 1MHz, –142.0dBc/Hz
6: 10MHz, –149.0dBc/Hz
7: 100MHz, –153.3dBc/Hz
NOISE:
ANALYSIS RANGE X: START 1kHz
STOP 100MHz
INTG NOISE: –62.1dBc/19.7MHz
RMS NOISE: 1.1µRAD
63.6mdeg
RMS JITTER: 86.2fsec
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 16. Phase Noise (Absolute), External VCO 2.05 GHz VCO
(Bowei Model MVCO-2050A); at 2050 MHz; Reference = 122.054215 MHz;
R Divider = 12
–20
–40
–60
–80
–100
–120
–140
–160
–170
–180
–30
–50
–70
–90
–110
–130
–150
100 1k 10M 100M100k 1M10k
PHASE NOISE (dBc)
FREQUENCY (Hz)
10011-017
1
2
3
4
5
7
6
Figure 17. Phase Noise (Absolute), External VCO (Z-Communications
CRO1474-LF) at 1474.56 MHz; PFD = 122.88 MHz;
LBW = 15 kHz; LVPECL Output = 1474.56 MHz