ICS843081I-01 Datasheet, PDF (5/15 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK MULTIPLIER

Integrated
Circuit
Systems, Inc.
ICS843081I-01
FEMTOCLOCKS™ CRYSTAL-TO-
3.3V, 2.5V LVPECL CLOCK MULTIPLIER
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
200
10
TYPICAL PHASE NOISE AT 625MHZ @ 3.3V
Gb Ethernet Filter
625MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.32ps (typical)
Raw Phase Noise Data
Phase Noise Result by adding
a Gb Ethernet Filter to raw data
100
1k
10k
100k
1M
10M
100M
OFFSET FREQUENCY (HZ)
843081AGI-01
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
200
10
TYPICAL PHASE NOISE AT 625MHZ @ 2.5V
Gb Ethernet Filter
625MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.39ps (typical)
Raw Phase Noise Data
Phase Noise Result by adding
a Gb Ethernet Filter to raw data
100
1k
10k
100k
1M
OFFSET FREQUENCY (HZ)
www.icst.com/products/hiperclocks.html
5
10M
100M
REV. B JANUARY 23, 2006