HIGH REL/SP
ACE PRODUCTS
Caesium and Quar
t
z
Products
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9700 Aerospace Oscillator Series
Output Frequency:
4 MHz - 60 MHz
Low power consumption:
1.3W @ 25 C (Vacuum)
Compact sizes:
1.33" x 1.33" x 1.31"
Frequency Aging -@ 5 MHz: 5E-11/day, 1.5E-8/year
-@10 MHz: 3E-10/day, 4E-8/year
Temperature Coefficient:
4E-9
Radiation Rated:
100 krad (Si)
The DATUM 9700 is an ultra-miniature
ovenized crystal oscillator designed to
provide high stability RF sine wave output.
The use of hybrid circuity allows for the
greatest reduction in size possible without
compromise of the performance or relia-
bility.
Assembly is performed by skilled opera-
tors certified to NASA approved workman-
ship standards. Hybrid circuits produced
at facilities qualified to MIL-PRF-38534C.
All discrete components are manufactured
and tested to Grade 1 requirements per
Mil-Std-975.
The environmentally rugged DATUM 9700
features a SC-cut quartz resonators and
sustaining electronics which are con-
trolled at precise temperature to achieve
temperature insensitive performance,
excellent short term stability, phase noise
and aging characteristics.
Backed by an extensive oscillator legacy
the DATUM 9700 series meets the chal-
lenges of a aerospace specification for
time and frequency, even under the most
adverse environmental conditions.
The Datum 9700 series oscillator delivers
high end crystal oscillator precision
required for both time and frequency in a
wide variety of applications including:
Radio navigation
Satellite transmission
Satellite tracking and guidance
HIGH REL/SP
ACE PRODUCTS
Caesium and Quar
t
z
Products
Specifications subject to change without notice.
Datum
-TT&M
34 Tozer Road
Beverly, MA 01915-5510
Tel: +1-978-927-8220
Fax; +1-978-927-4099
USA Toll Free:
1-800-544-0233
Web:
www.datum.com
E-mail:
ttmsales@datum.com
Specifications
9700 Aerospace Oscillator Series
Output level/load (TTL Option)
7.0 dBm
TTL (40% to 60%)
Short/Long-Term Stability
@5 MHz
@10MHz
1 second (Allan Variance)
2E-12
5E-12
10 second (Allan Variance)
2E-12
5E-12
Frequency Aging
@5 MHz
@10MHz
Per Day
5E-11
3E-10
Per Year
1.5E-8
4E-8
Phase Noise (
dBc//Hz)
@5 MHz
@10MHz
1
-112 dBc/Hz
-100 dBc/Hz
10
-140 dBc/Hz
-125 dBc/Hz
100
-150 dBc/Hz
-145 dBc/Hz
1,000
-157 dBc/Hz
-150 dBc/Hz
10,000
-160 dBc/Hz
-155 dBc/Hz
100,000
-160 dBc/Hz
-155 dBc/Hz
Frequency vs. Temperature
4E-8
Harmonic Distortion
-30 dBc
Non-Harmonic Distortion
-90 dBc
Frequency Retrace
1E-8
(After up to 24 hrs. Off & 1 hour=s use at @25 C )
Input Voltage
Range
12 to 24 Vdc
Sensitivity
1E-10, 5%
Power, Steady State (mW)
1.3 Watts @25 C (Vacuum)
Warm-Up Power
4-28 Watts
Load Change Sensitivity
1E-9, 5%
Warm-Up Time from -40 C
5 minutes to 2E-8*
Elec. Freq. Cont. Range (EFC)
4E-7 minimum
EFC Voltage Input
0 TO +5Vdc, (+) Sensing
Operating Temp. Range
-54 C to +76 C
Storage Temp. (Non-op)
-55 C to +100 C
*Fast warm-up option available
Acceleration Sensitivity
Typical
4E- 9 per g
Optional 1
2E-10 per g
(worst case axis)
Random Vibration
20 grms
Pyrotechnic Shock
3000 gs
Radiation
100 K Rad (Si)
EMI/EMC specification
For performance levels
contact the factory
Reliability Specification
MIL-HDBK-217E
MTBF
>6 million hr.s
Physical
Option 1 Option 2
Size
1.33" x 1.33" x 1.0"
1.9" x 1.5" x 1.0"
Weight
3.5 ounces
5.5 ounces
Volume
2.35 cu inches
2.55 cu inches
Options
Space Qualified Low g-sensitivity
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