
IDT / ICS 3.3V LVPECL FREQUENCY SYNTHESIZER
5
ICS843204AGI REV. A MARCH 18, 2009
ICS843204I
FEMTOCLOCK CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
156.25MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.52ps (typical)
TYPICAL PHASE NOISE AT 156.25MHZ
TYPICAL PHASE NOISE AT 155.52MHZ
155.52MHz
RMS Phase Jitter (Random)
12kHz to 20MHz = 0.98ps (typical)
OFFSET FREQUENCY (HZ)
dBc
Hz
N
OISE
P
O
WER
dBc
Hz
N
OISE
P
O
WER
Phase Noise Result by adding a
SONET Filter to raw data
Raw Phase Noise Data
SONET Jitter Filter
Phase Noise Result by adding a
Gigabit Ethernet Filter to raw data
Raw Phase Noise Data
Gigabit Ethernet Jitter Filter
OFFSET FREQUENCY (HZ)