Space Mini USO

Space Qualified Mini USO - Ultra Stable Crystal Oscillator,

General Specification (rev1)

February 5th, 2008

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party without obtaining prior written permission from TEMEX.

2/5

Features

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Case type (s) : 70x70 height 50mm

•

Frequency range : 5 – 12 MHz

•

Temperature Range : from – 20°to + 70°C

•

Frequency stability vs. temperature range from +/- 0.05ppb under vacuum

•

Short term stability : 5.10-13 at 1s-100s

•

Frequency Control Range : depending on spec

•

Ageing per year : +/- 10 ppb first year

•

Output wave form : sine 50 Ohms

•

Output level : 5 to 10 dBm

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Supply Voltage : +12V or +15V

•

Power consumption during Warm Up : 10W

•

Power consumption steady state : 4W atmospheric pressure ; 2W under vacuum

•

Radiation : TDR from 50kRad up to 100 kRad (Si)

•

FM in accordance with MIL-PRF-55310 rev D

Applications

Recommended for space clock applications, navigation and positioning onboard systems. Very good

short term stability (Allan variance).

Environmental conditions

Parameters

Unit

Minimum

Typical

Maximum

Operating temperature range

°C

– 20

+ 70

Storage temperature range

°C

– 55

+ 125

Sine vibration

20g as per MIL-STD-202, Method 204,

Condition D

Random vibration

50 Grms ; 1,7g²/Hz from 100 Hz to 1000Hz

Acceleration

25g

Shocks (pyrotechnic shock)

1500g @ 1.5kHz

Shocks (half sine)

1200g, 0.3ms

Radiation

Up to 100 kRad total dose