Preliminary
OX-222
Oven Controlled Crystal Oscillator
OX-222
Description
The OX-222 is part of a series of oscillators specifically designed to support Timing Over Packet applications, in particular 1588-
2008 based frequency and phase reference systems. The OX-222 is stratum 3E compliant.
Features
Applications
•
Available in three standard frequencies (10MHz,
12.8MHz and 20MHz)
•
•
•
SETS clock support
Wireless Base Stations
Edge and Core Routers
•
•
•
•
Excellent temperature stability
Superior long term stability
Optimised to support Timing Over Packet applications
Stratum 3E compliant according to GR1244
Performance Specifications
Frequency Stability1
Parameter
Over all stability (df/f0)
Holdover
Min
Typ
Max
Units
ppm
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppm
Notes
Free run accuracy
Over 24 hours and 40ꢀC window
Over 24 hours and ±2.8ꢀC
-40 to 85ꢀC
±4.6
10
Drift
0.8
Temperature stability (df/f)
Initial Tolerance (df/f0)
vs. supply voltage change (df/f)
vs. load change (df/f)
vs. aging / daily (df/f)
vs. aging / month (df/f)
vs. aging / year (df/f)
vs. aging / 10 years (df/f)
10
500
@25ꢀC
5
static; 3.3V 5ꢁ
5
static; Load ± 5%
1
after 30 days; @25ꢀC
after 30 days; @25ꢀC
after 30 days; @25ꢀC
after 30 days; @25ꢀC
25
100
1
Phase Stability
Max
Parameter
Jitter
Min
Typ
Units
ps rms
ns
Notes
< 1.00
@12kHz to 20MHz
MTIE 1s
0.2
2.0
Wander Generation per GR1244, system
performance when locked through a
1mHz loop bandwidth, see typical perfor-
mance data.
MTIE 10s
ns
MTIE 100s
MTIE 1000s
10.0
40.0
ns
ns
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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