IDT / ICS HSTL FREQUENCY SYNTHESIZER
6
ICS8421002I REV B MARCH 02, 2009
ICS8421002I
FEMTOCLOCKS CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER
TYPICAL PHASE NOISE AT 212.5MHZ @ 3.3V
212.5MHz
RMS Phase Jitter (Random)
637kHz to 10MHz = 0.59ps (typical)
OFFSET FREQUENCY (HZ)
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
dBc
Hz
N
OISE
P
O
WER
Fibre Channel Jitter Filter
Raw Phase Noise Data
Phase Noise Result by adding
Fibre Channel Filter to raw data
TYPICAL PHASE NOISE AT 53.125MHZ @ 3.3V
53.125MHz
RMS Phase Jitter (Random)
637kHz to 10MHz = 0.66ps (typical)
OFFSET FREQUENCY (HZ)
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
dBc
Hz
N
OISE
P
O
WER
Fibre Channel Jitter Filter
Raw Phase Noise Data
Phase Noise Result by adding
Fibre Channel Filter to raw data