
IDT / ICS 3.3V, 2.5V LVPECL CLOCK GENERATOR
5
ICS843251BGI-12 REV. A NOVEMBER 19, 2012
ICS843251I-12
FEMTOCLOCK
CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR
10GigE Filter
Phase Noise Result by adding
10GigE Filter to raw data
Raw Phase Noise Data
TYPICAL PHASE NOISE AT 312.5MHZ (3.3V)
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
OFFSET FREQUENCY
dBc
Hz
N
OISE
P
O
WER
312.5MHz
RMS Phase Jitter (Random)
1.875Mhz to 20MHz = 0.36ps (typical)