Issue: 01
Specification
AXIOM20-17
Oscillator type :
OCXO for Cospas-Sarsat Beacons
Date: 2007-10-17
Parameter
Frequency range
Nominal frequency
Frequency stability
Initial tolerance
vs. temperature
- temperature ramp of ± 5 °C / h
- thermal shock of 30°C
operating temperature range
vs. supply voltage variation
vs. load change
Overall aging 5 years
Frequency adjustment range
Electronic Frequency Control (EFC)
RF output
Signal waveform
Load
Rise & decay time
Symmetry
Warm-up time
Supply voltage VS1 (Oven)
Current consumption
(steady state)
Current consumption during warm-up
Supply voltage VS2 (Oscillator)
Current consumption (VS2)
Operable temperature range
Storage temperature range
Enclosure (see drawing)
Weight
Packing
ESD Sensitivity
min.
typ.
60.750
±1
max.
Unit
MHz
MHz
ppm
ppm
Condition
±2
±2
±2
+55
+55
± 20
± 20
± 10
-40
-20
Note 3
ppb/min Clause 4.2.2
ppb
Clause 4.2.3
°C
Class 1 (Option I)
°C
Class 2 (Option I)
ppb
V
S
± 5%
ppb
ppm
N.A.
HCMOS
15
7
40
60
2
4.75
5.0
5.25
100
300
400
250
300
4.75
5.0
5.25
10
15
-45
+60
-45
+105
20.7x13.1x8.5 max.
5
Palette or stick
1500
pF
ns
%
min
V
mA
mA
mA
V
mA
°C
°C
mm
gram
V
∆f
final
/f
0
< ±0.1 ppm
Note 2
@ +25°C
Class 1
Class 2
Note 2
IEC 60679-3 CO 02
HBM as in IEC 61000-
4-2
Notes:
1. Terminology and test conditions are according to IEC standard IEC60679-1, unless otherwise stated
2. Oven supply VS1 can be switched on and off separately, while oscillator supply VS2 is on.
Oven will not work properly without VS1 applied !
3. In accordance with mentioned clauses of Cospas/Sarsat Specification C/S T.001
Ordering Code:
Model (Specification)
AXIOM20-17
Option I (Class) Frequency [MHz]
2
60.750
Example: AXIOM20-17-2-60.750 MHz
GmbH & Co. KG
Wasemweg 5
D-74821 Mosbach
Germany
AXIOM20-17
page
1(2)
www.axtal.com
fon: +49 (6261) 939834
fax: +49 (6261) 939836
E-mail: info@axtal.com
Enclosure drawing
Pin connections
Pin # Symbol
1
VS1
7
GND
8
RF OUT
14
VS2
Function
Supply Voltage (Oven)
Ground
RF Output
Supply Voltage (Oscillator)
Environmental conditions
Test
Visual inspection,
dimensions
Sealing tests
(if applicable)
Solderability
Resistance to
soldering heat
Shock*
Bump*
Free fall*
Vibration,
sinusoidal*
Rapid change of
temperature
Dry heat
IEC 60068
Part ...
IEC 60679-1
clause ...
4.3
4.6.2
4.6.3
Test conditions
Enclosure styles as in IEC
60679-3 or 61837, if applicable
Gross leak: Test Qc,
Fine leak: Test Qk
Test Ta (235
±
5)°C Method 1
Test Tb Method 1A, 5s
Test Ea, 3 x per axes 100g, 6 ms
half-sine pulse
Test Eb, 4000 bumps per Axes,
40g, 6 ms
Test Ed procedure 1,
2 drops from 1m height
Test Fc, 30 min per axes,
10 Hz - 55 Hz 0,75mm; 55 Hz - 2
kHz, 10g
Test Na, 10 cycles at extremes
of operating temperature range
Test Ba, 16 h at upper
temperature indicated by climatic
category
Test Db variant 1 severity b),
55°C/95% r.H., 6 cycles
Test Aa, 2 h at lower
temperature indicated by climatic
category
st
Sequence of 4.6.14, 4.6.15 (1
cycle), 4.6.16, 4.6.15 (5 cycles)
Test Ca, 56 days
2-17
2-20
2-58
2-27
2-29
2-32
2-6
4.6.8
4.6.6
4.6.9
4.6.7
2-14
2-2
4.6.5
4.6.14
Damp heat, cyclic*
Cold
2-30
2-1
4.6.15
4.6.16
Climatic sequence*
Damp heat, steady
state*
Endurance tests
- ageing
- extended aging
1-7
2-3
4.6.17
4.6.18
4.7.1
4.7.2
30 days @ 85°C, OCXO @25°C
1000h, 2000h, 8000h @85°C
GmbH & Co. KG
Wasemweg 5
D-74821 Mosbach
Germany
AXIOM20-17
page
2(2)
www.axtal.com
fon: +49 (6261) 939834
fax: +49 (6261) 939836
E-mail: info@axtal.com
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