ICS844004I-04 Datasheet, PDF (5/13 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL/LVCMOS-TO-LVDS FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS844004I-04
FEMTOCLOCKS™ CRYSTAL/LVCMOS-TO-
LVDS FREQUENCY SYNTHESIZER
844004AGI-04
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
10
TYPICAL PHASE NOISE AT 155.52MHZ AT 3.3V
OC3 SONET Filter
155.52MHz
RMS Phase Jitter (Random)
12kHz to 5MHz = 0.75ps (typical)
Raw Phase Noise Data
Phase Noise Result by adding
OC3 SONET Filter to raw data
100
1k
10k
100k
1M
10M
100M
OFFSET FREQUENCY (HZ)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
10
TYPICAL PHASE NOISE AT 622.08MHZ AT 3.3V
OC 12 SONET Filter
622.08MHz
RMS Phase Jitter (Random)
12kHz to 20MHz = 0.71ps (typical)
Raw Phase Noise Data
Phase Noise Result by adding
OC 12 SONET Filter to raw data
100
1k
10k
100k
1M
OFFSET FREQUENCY (HZ)
www.icst.com/products/hiperclocks.html
5
10M
100M
REV. A JANUARY 26, 2006