
IDT / ICS 3.3V LVPECL CLOCK GENERATOR
5
ICS843001AG REV B March 2, 2009
ICS843001
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
OFFSET FREQUENCY (HZ)
dBc
Hz
N
OISE
P
O
WER
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
100
1k
10k
100k
1M
10M
100M
TYPICAL PHASE NOISE AT 212.5MHZ
212.5MHz
RMS Phase Noise Jitter
637K to 10MHz = 0.67ps (typical)
Phase Noise Result by adding
Fibre Channel Filter to raw data
Raw Phase Noise Data
Fibre Channel Filter
TYPICAL PHASE NOISE AT 106.25MHZ
106.25MHz
RMS Phase Jitter (Random)
637Khz to 10MHz = 0.74ps (typical)
OFFSET FREQUENCY (HZ)
dBc
Hz
N
OISE
P
O
WER
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
100
1k
10k
100k
1M
10M
100M
Phase Noise Result by adding
Fibre Channel Filter to raw data
Raw Phase Noise Data
Fibre Channel Filter