OCXOPLUS

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 Operating temperature range Storage temperature range Sine vibration Random vibration Acceleration Shocks (pyrotechnic shock) Shocks (sawtooth) 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 ; 1,7g²/Hz from 100 Hz to 1000Hz 25g 1500g @ 1.5kHz 50g, 11ms 1200g, 11ms 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 1 2 – 3 – 4 - 12 6 – 7 – 8 – 13 – 14 – 15 9 – 10 - 5 11 SMA connector Name Vc NC GND Vcc Vref Fout Function Voltage control for electrical tuning Electrical & mechanical ground Electrical & Mechanical ground Power supply Reference voltage 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 1 2–6 3 4 5 7 GND Fout Vc Vref Vcc 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. Name Function Oven Alarm Electrical & mechanical ground Frequency output Voltage control for electrical tuning Reference voltage Supply voltage Space Qualified OCXO Plus – Oven Controlled Crystal Oscillator, December, 5th 2007 General Specification (rev1) Figure 3 : Oscillator outline 3 Pin number 1 2–6 3 4 5 7 GND Fout Vc Vref Vcc 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. Name Function Oven Alarm Electrical & mechanical ground Frequency output Voltage control for electrical tuning Reference voltage Supply voltage Space Qualified OCXO Plus – Oven Controlled Crystal Oscillator, December, 5th 2007 General Specification (rev1) Performance characteristics Electrical Parameters Frequency output Nominal frequency range Output level (50 Ω 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 @ 0.1 s @1s @ 10 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 Option 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 9.5 12 15.75 2 7 VDC 7.5 8.5 ppb Ω VDC ±200 10k 0 8 ±500 ppb ppb ppb ppb ppb ppb 10 ±1 0.1 0.1 20 2 ppb ppb ppb 0.002 0.002 0.01 ppb ppb ppb ppb ppb – 110 – 135 – 145 – 150 – 155 MHz dBm dBc dBc 5 5 10 40 8 – 40 – 80 Unit Minimum Typical Maximum 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.