Space Qualified OCXO Plus – Oven Controlled Crystal Oscillator, General Specification (rev1) Features...........................................................................................2 Applications .....................................................................................2 Environmentalconditions ..................................................................2 Mechanical characteristics ...............................................................3 Performance characteristics.............................................................6 Space Qualified OCXO Plus – Oven Controlled Crystal Oscillator, December, 5th 2007 General Specification (rev1) Features • • • • • • • • • • • • • Case type (s) : 50x50 height 30mm Frequency range : 10 MHz to 40 MHz Overall frequency stability vs. temperature range from +/- 2ppb to +/-0.5 ppb under vacuum Frequency Control Range : depending on spec Ageing per year : +/- 20 ppb first year Output wave form : sine 50 Ohms Output level : 10 dBm Supply Voltage : +10V or +15V Power consumption during Warm Up : 6W Power consumption steady state : 4W atmospheric pressure ; 2W under vacuum Environmental conditions depending on customer request 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 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 (sawtooth) Shocks (half sine) 50g, 11ms 1200g, 11ms Radiation Up to 100 kRad total dose 2/6 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 Qualified OCXO Plus – Oven Controlled Crystal Oscillator, December, 5th 2007 General Specification (rev1) Mechanical characteristics Figure 1 : Oscillator outline 1 Pin number Name Function 1 Vc Voltage control for electrical tuning 2 – 3 – 4 - 12 NC Electrical & mechanical ground 6 – 7 – 8 – 13 – 14 – 15 GND Electrical & Mechanical ground 9 – 10 - 5 Vcc Power supply 11 Vref Reference voltage SMA connector Fout Frequency output Table 1 : Pin description 1 3/6 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 Qualified OCXO Plus – Oven Controlled Crystal Oscillator, December, 5th 2007 General Specification (rev1) Figure 2 : Oscillator outline 2 Pin number Name Function 1 Oven Alarm 2–6 GND Electrical & mechanical ground 3 Fout Frequency output 4 Vc Voltage control for electrical tuning 5 Vref Reference voltage 7 Vcc Supply voltage Table 2 : Pin description 1 4/6 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 Qualified OCXO Plus – Oven Controlled Crystal Oscillator, December, 5th 2007 General Specification (rev1) Figure 3 : Oscillator outline 3 Pin number Name Function 1 Oven Alarm 2–6 GND Electrical & mechanical ground 3 Fout Frequency output 4 Vc Voltage control for electrical tuning 5 Vref Reference voltage 7 Vcc Supply voltage Table 3 : Pin description 3 5/6 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 Qualified OCXO Plus – Oven Controlled Crystal Oscillator, December, 5th 2007 General Specification (rev1) Performance characteristics Electrical Parameters Unit Minimum Typical Maximum 10 40 Frequency output Nominal frequency range MHz 5 Output level (50 Ω load) dBm 5 Harmonics level dBc – 40 Spurious (offset > 50 Hz) dBc – 80 @ 1 Hz offset ppb – 110 @ 10 Hz offset ppb – 135 @ 100 Hz offset ppb – 145 @ 1 kHz offset ppb – 150 @ 10 kHz offset or greater ppb – 155 8 Phase noise in static conditions @ 10 MHz Allan variance @ 0.1 s ppb 0.002 @1s ppb 0.002 @ 10 s ppb 0.01 Initial setting ppb 10 Stability vs. temperature ppb ±1 Stability vs. 5 % supply voltage variation ppb 0.1 Stability vs. 10 % load variation ppb 0.1 Aging over first year ppb 20 Retrace ppb 2 Free running mode (Vctrl pin NC) Electrical tuning (Vctrl pin) Relative pulling frequency range Input impedance Voltage range Option ppb ±200 Ω 10k ±500 VDC 0 8 VDC 7.5 8.5 VDC 9.5 Reference voltage (Vref pin) Nominal value Supply voltage (Vcc pin) Voltage range 12 15.75 Supply power @ 25 °C under vacuum W 2 Supply power @ warm up W 7 6/6 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.