
ICS8422002AGI REVISION A AUGUST 12, 2009
6
2009 Integrated Device Technology, Inc.
ICS8422002I Data Sheet
FEMTOCLOCK CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
Typical Phase Noise at 212.5MHz (V
DD = 3.3V, VDDO = 1.8V)
Typical Phase Noise at 106.25MHz (V
DD = 3.3V, VDDO = 1.8V)
Fibre Channel Filter
Phase Noise Result by adding a
Fibre Channel filter to raw data
Raw Phase Noise Data
212.5MHz
RMS Phase Jitter (Random)
637kHz to 10MHz = 0.59ps (typical)
Noise
P
o
wer
d
Bc
Hz
Offset Frequency (Hz)
Fibre Channel Filter
Phase Noise Result by adding a
Fibre Channel filter to raw data
Raw Phase Noise Data
106.25MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.56ps (typical)
No
ise
P
o
wer
d
Bc
Hz
Offset Frequency (Hz)