
Integrated
Circuit
Systems, Inc.
8400042AG-01
www.icst.com/products/hiperclocks.html
REV. B JANUARY 3, 2006
6
ICS840004-01
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
LVCMOS/LVTTL F
REQUENCY
S
YNTHESIZER
PRELIMINARY
T
YPICAL
P
HASE
N
OISE
AT
125MH
Z
@3.3V
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
125MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.65ps (typical)
O
FFSET
F
REQUENCY
(H
Z
)
N
O
O
H
Phase Noise Result by adding
10Gb Ethernet Filter to raw data
Raw Phase Noise Data
10Gb Ethernet Filter
100
1k
10k
100k
1M
10M
100M
T
YPICAL
P
HASE
N
OISE
AT
125MH
Z
@2.5V
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
125MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 0.59ps (typical)
O
FFSET
F
REQUENCY
(H
Z
)
N
O
O
H
Phase Noise Result by adding
10Gb Ethernet Filter to raw data
Raw Phase Noise Data
10Gb Ethernet Filter
100
1k
10k
100k
1M
10M
100M