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| Space Mini USO Space Qualified Mini USO - Ultra Stable Crystal Oscillator, General Specification (rev1) Features...........................................................................................2 Applications......................................................................................2 Environmental conditions .................................................................2 Mechanical characteristics ...............................................................3 Performance characteristics.............................................................4 Space Mini USO Space Qualified Mini USO - Ultra Stable Crystal Oscillator, General Specification (rev1) February 5th, 2008 Features * * * * * * * * * * * * * * 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 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 Operating temperature range Storage temperature range Sine vibration Random vibration Acceleration Shocks (pyrotechnic shock) Shocks (half sine) Radiation Unit C C Minimum - 20 - 55 Typical Maximum + 70 + 125 20g as per MIL-STD-202, Method 204, Condition D 50 Grms ; 1,7g/Hz from 100 Hz to 1000Hz 25g 1500g @ 1.5kHz 1200g, 0.3ms Up to 100 kRad total dose 2/5 All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third party without obtaining prior written permission from TEMEX. Space Mini USO Space Qualified Mini USO - Ultra Stable Crystal Oscillator, General Specification (rev1) February 5th, 2008 Mechanical characteristics Figure 1 : Oscillator outline Pin number 1 2 - 3 - 4 - 12 6 - 7 - 8 - 13 - 14 - 15 9 - 10 - 5 11 SMA connector Name Vctrl NC GND Vcc Vref Fout Electrical & Mechanical ground Power supply Reference voltage Frequency output Table 1 : Pin description Function Voltage control for electrical tuning 3/5 All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third party without obtaining prior written permission from TEMEX. Space Mini USO Space Qualified Mini USO - Ultra Stable Crystal Oscillator, General Specification (rev1) February 5th, 2008 Performance characteristics Electrical Parameters Frequency output (SMA Connector) Nominal frequency range Output level (50 load) Harmonics level Spurious (offset > 50 Hz) Phase noise in static conditions @ 10 MHz @ 1 Hz offset @ 10 Hz offset @ 100 Hz offset @ 1 kHz offset @ 10 kHz offset or greater Allan variance @1s @ 10 s @ 100 s Free running mode (Vctrl pin NC) Initial setting Stability vs. temperature Stability vs. 5 % supply voltage variation Stability vs. 10 % load variation Aging over first year Retrace Electrical tuning (Vctrl pin) Relative pulling frequency range Input impedance Voltage range Reference voltage (Vref pin) Nominal value Supply voltage (Vcc pin) Voltage range Supply power @ 25 under vacuum C Supply power @ warm up VDC W W 11.4 12 15.75 2 10 VDC 8 ppb VDC 200 10k 0 8 500 ppb ppb ppb ppb ppb ppb 10 0.1 0.01 0.01 20 1 ppb ppb ppb 0.0005 0.0005 0.0005 dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz - 115 - 140 - 145 - 150 - 155 MHz dBm dBc dBc 5 5 12 10 - 40 - 80 Unit Minimum Typical Maximum 4/5 All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third party without obtaining prior written permission from TEMEX. Space Mini USO Space Qualified Mini USO - Ultra Stable Crystal Oscillator, General Specification (rev1) February 5th, 2008 Allan Variance USO TEMEX 2.0E-12 1.9E-12 1.8E-12 1.7E-12 1.6E-12 1.5E-12 1.4E-12 1.3E-12 Allan Variance 1.2E-12 1.1E-12 1.0E-12 9.0E-13 8.0E-13 7.0E-13 6.0E-13 5.0E-13 4.0E-13 3.0E-13 2.0E-13 1.0E-13 0.1 1 10 100 1000 10000 Time 10.23MHz 5MHz Specification 5/5 All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third party without obtaining prior written permission from TEMEX. |
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