ROX5252T1 Datasheet, PDF (1/2 Pages) TEMEX – The ROX5252T1 is providing an ultimate frequency stability versus all operational conditions

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ROX5252T1
The ROX5252T1 is providing an ultimate frequency stability versus all operational conditions.
Features
 Hold over below 3 µs over 24 hours,
including temperature change
 Standard frequencies: 5, 10, 12.8 MHz
Applications
 Instrumentation
 Stratum 2 timing modules
 Base Stations
52 x 52 mm
Standard Specifications
Parameter
Min. Typ.
Max. Unit
Nominal frequency
5 – 12.8
MHz
Operating temperature range
-20
70
°C
Frequency stability over temperature
±0.1 ppb
Free-run accuracy over 20 years
±0.02 ppm
Supply voltage stability
±0.05 ppb
24 hours holdover performance
±3
µs
Hysteresis effect
Long term stability (Ageing)
Short term 1s to 10s integration time
Retrace effect at 25°C
Supply voltage (VCC)
Power consumption
Warm-up time
0.1
ppb
±0.02
±3
±20
ppb/day
ppb/year
ppb/20
years
±0.002 ppb
±5
ppb
12
V
7
W
2.5
W
±8
minutes
Harmonics
Start-up time
Oscillator output - Sinewave
Environmental
Vibration
Shocks (3 directions)
Storage temperature
-40
5
-55
dBc
1
sec
9
dBm
10
g
50
g
90
°C
Test Condition / Description
Standard frequencies: 5,10, 12.8 MHz
Telcordia GR-1244 requirement is ± 4.6 ppm
±5% at 25°C
After 3 days of continuous power on, constant
load, no supply variation, 50°C window in
operating temperature range, temperature
gradient ( 10 °C / hour)
Over -20 to +70°C, gradient 10°C / hour
After 1 week operation
After 24 hours off and 1 hour on
±5%.
During warm-up
Steady state at 25°C calm air
Within 10 ppb of prior steady state output
frequency at time of power-off. 24 hours on min.
+ 24 hours off max.
Signal level with 50 Ω load
IEC 68-2-06 test Fc-Severity 500/10
IEC 68–2-27 test Ea severity 50A
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