
ICS843001AGI-22 REVISION B JUNE 25, 2009
9
2009 Integrated Device Technology, Inc.
ICS843001I-22 Data Sheet
FEMTOCLOCK CRYSTAL/LVCMOS-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
Typical Phase Noise at 125MHz
.
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 = 0.50ps (typical)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
Noise
P
o
wer
d
Bc
Hz
←
100
1k
10k
100k
1M
10M
100M
Offset Frequency (Hz)