
ICS843021AG REVISION D OCTOBER 12, 2010
4
2010 Integrated Device Technology, Inc.
ICS843021 Data Sheet
FEMTOCLOCK CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
Typical Phase Noise at 125MHz
Noise
P
o
wer
d
B
c
Hz
Offset Frequency (Hz)
10Gb Ethernet Filter
Phase Noise Result by adding a
10Gb Ethernet filter to raw data
Raw Phase Noise Data
125MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.37ps (typical)
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
0
100
1k
10k
100k
1M
10M
100M