SPACE OCXO Space qualified OCXO – Oven Controlled Crystal Oscillator, Flat pack General Specification (rev1) Features...........................................................................................2 Applications .....................................................................................2 Environmental conditions .................................................................2 Mechanical characteristics ...............................................................3 Performance characteristics.............................................................4 OCXO Space qualified OCXO – Oven Controlled Crystal Oscillator December, 5th 2007 General Specification (rev1) Features • • • • • • • • • • • • Frequency Range : 30 MHz to 100 MHz Low consumption Supply Voltage : +9V or +12V Warm up Consumption : 2Watt Maximum Steady state Consumption under vacuum : 0.65 Watt Overall Frequency Stability vs. Operating Temperature Range from +/– 0.2 ppm to +/– 0.5 ppm under vacuum Ageing per year : +/– 0.3 ppm ; +/– 2 ppm over 15 years typical Output Wave Form : sine 50 Ohms Output Level : from 0 to 8 dBm Compatible with Flatpack TCXO pin-out : 25 x 25 mm Manufacturing in accordance with MIL-PRF-55310 (Class 1, type 4, level S) Based on SMD Discrete components technology Applications Recommended for frequency reference Environmental conditions Parameters Unit Minimum Typical Maximum Operating temperature range °C – 20 + 70 Storage temperature range °C – 55 + 125 Shocks (half sine) 900g, 0.3ms Sine vibration 20g as per MIL-STD-202, Method 204, Condition D Random vibration 50 Grms as per MIL-STD-202, Method 214, Condition I-F Radiation Up to 100 kRad total dose 2/4 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. OCXO Space qualified OCXO – Oven Controlled Crystal Oscillator December, 5th 2007 General Specification (rev1) Mechanical characteristics Figure 1 : Oscillator outline Pin description Pin number Name Function 1-3 GND Electrical & Mechanical Ground 2 Vcc Supply Voltage 4 – 5 – 8 - 9 – 10 - 11 NC 6 Vc Voltage control for electric tuning 13 Fout Frequency Output 3/4 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. OCXO Space qualified OCXO – Oven Controlled Crystal Oscillator December, 5th 2007 General Specification (rev1) Performance characteristics Electrical Parameters Unit Minimum Typical Maximum Nominal frequency range MHz 30 40 100 Output level (50 Ω load) dBm 0 Harmonics level dBc – 25 Spurious (offset > 50 Hz) dBc – 80 @ 1 Hz offset dBc/Hz –55 @ 10 Hz offset dBc/Hz –85 @ 100 Hz offset dBc/Hz – 115 @ 1 kHz offset dBc/Hz – 145 @ 10 kHz offset or greater dBc/Hz – 155 ppb 0.02 Initial setting ppm 0.25 Stability vs. temperature ppm Stability vs. 5 % supply voltage variation ppm 0.01 Stability vs. 10 % load variation ppm 0.01 Aging over first year ppm 0.3 Aging over 15 years ppm 2 Frequency output 8 Phase noise in static conditions @ 100 MHz Allan variance @ 1s Free running mode (Vctrl pin NC) 0.2 0.5 Electrical tuning (Vctrl pin) Relative pulling frequency range ppm ± 2.5 Input impedance Ω 10k Bandwidth Hz 1k Linearity % 20 Supply voltage (Vcc pin) Voltage range VDC Supply power @ 25 °C under vacuum W 8.5 9 0.65 12.6 Supply power @ warm up W 2 Warm up time mn 10 4/4 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.