Issue: 01
Date: 2008-09-04
Specification
AXIOM260
Oscillator type :
OCXO with Low Phase Noise under Vibration
Parameter
Nominal frequency
Frequency stability
Initial tolerance at delivery
vs. temperature in operating
temperature range
vs. supply voltage variation
vs. load change
Long term (aging) per day
Long term (aging) 1st year
Long term (aging) over 10 years
Frequency adjustment range
Electronic Frequency Control (EFC)
EFC voltage VC
EFC tuning sensitivity
EFC slope (∆f / ∆VC)
EFC input impedance
RF output
Signal waveform
Load RL
Output level
@ VC = 0 V
@ VC = ± 4 V
@ VC = ± 4 V
Output VSWR
Harmonics
Spurious
min.
± 1.6
-4.0
0
0.75
positive
Condition
MHz
@VC = 0 V
±1
± 2.0
± 3.0
± 10
± 10
± 10
± 100
± 1.5
ppm
ppm
ppm
ppb
ppb
ppb/day
ppb
ppm
@+25°C @VC = 0 V
-30°C~+71°C
-40°C~+85°C
VS ± 2%
RL ± 10%
+4.0
ppm
V
ppm/V
+ 6.0
+5.5
+5.0
kΩ
Sine wave
50
+7
+8.0
+7
+8.5
+7
+9.0
1.5
-30
-80
-100
-120
-110
80
14.25
-85
-115
-145
-145
-165
-168
-168
-55
-55
-125
-145
-155
-165
-168
15
Current consumption (warm-up)
Wasemweg 5
D-74821 Mosbach
Germany
Unit
10
Phase noise under vibration
(vibration spectrum see table III)
GmbH & Co. KG
max.
120.000
Power Supply Ripple Rejection
(10 mVp-p)
Warm-up time
Phase noise in quiet state
Supply voltage VS
Current consumption (steady state)
typ.
AXIOM260
page 1(3)
15.75
400
300
150
100
550
Ω
dBm
dBm
dBm
dBc
dBc
dBc
dBc
dBc
sec
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
V
mA
mA
mA
mA
mA
Note 2
Note 2
Note 3
Note 4
100 Hz ~ 1 kHz
1 kHz ~ 10 kHz
10 kHz ~ 20 MHz
DC to 2 MHz
to full performance
@ 10 Hz
@ 100 Hz
@ 1kHz
@ 2 kHz
@ 10 kHz
@ 50 kHz
@ 100 kHz
@ 10 Hz
@ 100 Hz
@ 1kHz
@ 2 kHz
@ 10 kHz
@ 50 kHz
@ 100 kHz
@ -40°C
@ 0°C
@ +25°C
@ +85°C
www.axtal.com
fon: +49 (6261) 939834
fax: +49 (6261) 939836
E-mail: info@axtal.com
Parameter
Operating temperature range
Operable temperature range
Storage temperature range
Enclosure
Weight
Finish
Solder pins
min.
max.
Unit
-40
+85
-45
+90
-55
+105
58.25 x 48.27 x 22.75
75
MIL-F-14072 type I
RF: 0.8 mm diameter,
Others: 1.0 mm diameter
typ.
°C
°C
°C
mm
gram
Condition
see drawing
Including shock absorbers
Or equivalent
tin-plated
Notes:
1. Terminology and test conditions are according to IEC standard IEC60679-1 and MIL-PRF-55310,
unless otherwise stated
2. from any temperature in the range -30°C to +71°C
3. from any temperature in the range -40°C to +85°C
4. at 120 MHz ± 2.5 MHz @ +25°C
Enclosure drawings
GmbH & Co. KG
Wasemweg 5
D-74821 Mosbach
Germany
AXIOM260
page 2(3)
www.axtal.com
fon: +49 (6261) 939834
fax: +49 (6261) 939836
E-mail: info@axtal.com
Pin connections
Pin # Symbol
1
RF OUT
2
GND
3
VC
5
VS
Function
RF Output
Ground, case
Control Voltage (EFC)
Supply Voltage
Table 2: pin connections
Environmental conditions
Test
Reference
Altitude
Vibration, random
MIL-PRF55310
Acceleration, linear
Acceleration, angular
Moisture Resistance
Salt spray
Fungus
EMI
Endurance tests (ageing)
MIL-STD-810
MIL-STD-454
MIL-STD-461B
MIL-STD-462
MIL-PRF55310
Test conditions
Sea level to 55000 feet
15 Hz
0.06 g²/Hz
300 Hz 0.2 g²/Hz
1000 Hz 0.2 g²/Hz
2000 Hz 0.06 g²/Hz
All three axes
40g for 60 sec
9000 dec/sec² @ 25 Hz along spinning axis
Up to 85 % RH, including condensation,
operating and non-operating
Procedure 1, method 509.1
Requirement 4
Part 1
CE03;CS01; CS02; RE02; RS03
30 days operation @25°C
Table 3: Environmental conditions
GmbH & Co. KG
Wasemweg 5
D-74821 Mosbach
Germany
AXIOM260
page 3(3)
www.axtal.com
fon: +49 (6261) 939834
fax: +49 (6261) 939836
E-mail: info@axtal.com