ICS8421002I-01 Datasheet, PDF (6/13 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
ICS8421002I-01
FEMTOCLOCKS™ CRYSTAL-TO-
HSTL FREQUENCY SYNTHESIZER
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
100
TYPICAL PHASE NOISE AT 156.25MHZ @ 3.3V
Ethernet Jitter Filter
156.25MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.44ps (typical)
Raw Phase Noise Data
Phase Noise Result by adding
Ethernet Filter to raw data
1k
10k
100k
1M
10M
100M
OFFSET FREQUENCY (HZ)
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
-200
100
8421002AGI-01
TYPICAL PHASE NOISE AT 62.5MHZ @ 3.3V
Ethernet Jitter Filter
62.5MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.49ps
Raw Phase Noise Data
Phase Noise Result by adding
Ethernet Filter to raw data
1k
10k
100k
1M
OFFSET FREQUENCY (HZ)
www.icst.com/products/hiperclocks.html
6
10M
100M
REV. A FEBRUARY 6, 2006