rai on Space Oven Controlled Crystal Oscillator TE 425 OCXO sries 425 For this product family, a full detailed spcification can also be delivered on request. Sp驩cifie request can be addressed to RAKON [email protected] Product Description OCXO Space Plus is designed for Space Clocks, Navigation and Positioning Systems and is used in such applications as GPS receivers, digital cards, board calculators, down and up converters, synthesizers. This frequency source is featured by remarkable overall frequency stability vs. temperature range up to +/-0.5ppb under vacuum, +/- 20 ppb per year, power consumption at steady state of 2W under vacuum, and weight of 120g. OCXOs. Space Plus (50x50x30mm) is manufactured in accordance with MIL-PRF-55310 (Class 1, type 4 & type 6, level S). Features Frequency Range : 10 MHz to 40 MHz Supply Voltage : +10V , +12V or +15V Warm up Consumption : 7 Watt max Steady state Consumption : 2W under vacuum and 4W under atmospheric pressure Frequency Stability vs. Operating Temperature Range: +/- 1ppb under vacuum Ageing :+/- 0.2 ppm over 15 years typical at 10MHz Output Wave Form : sine 50 Ohms Output Level : from 0 to 10 dBm Component selected as per ECSS-Q-ST-60C Materials selected as per ECSS-Q-70 Manufacturing in accordance with: o MIL-PRF-55310 (Class 1, type 4, level S,B) o ECSS-Q-ST-70-08C and ECSS-Q-ST-70-38C Applications Transponders Օ GPS receivers Navigation Օ Converters Specifications 1.0 Environmental conditions Board calculators Synthesizers FGU Line Parameters Conditions/remarks Min Nom Max Unit Temperature option A 0 25 50 °C 1.1 Operating Temperature Temperature option B -20 25 65 °C Temperature option C -40 25 65 °C 1.2 Switch-on Temperature TSo -40 85 °C 1.3 Non-Operating Temperature TNOp - 55 125 °C 1.4 Random Vibration 1.5 Sine Vibration 1.6 Shocks 1.7 Radiation Level as per MIL-STD-202), Method 214, Condition I-J (46,30 Grms) Level as per MIL-STD-202), Method 204, Condition D (20G) Mechanical shock as per MIL-STD-202, Method 213, Condition E (half sine with a peak acceleration of 1000g for duration of 0.5 msec) TID : 100 kRad, low dose rate No SEL up to LET=60 MeV/mg/cm2 October, 26th 2010 Shortform, 51000803.110, Issue A3 1 / 5 www.rakon.com

rai on Space Oven Controlled Crystal Oscillator TE 425 OCXO sries 425 2.0 Electrical interface Line Parameters Conditions/remarks Min Nom Max Unit Supply option 1 9.5 10 10.5 V 2.1 Power supply Supply option 2 11.4 12.0 12.6 V Supply option 3 14.25 15 15.75 V 2.2 Load Impedance 45 50 55 W 2.3 Reference voltage 6.6 6.9 7.2 V 2.4 Control voltage Vc 0 6.9 V 3.0 Performances Line Parameters Conditions/Remarks Min Typ Max Unit 3.1 Nominal Frequency 10 40 MHz 3.2 Steady state input current power Vacuum @ -20°C 3 W 3.3 Warm up supply power 7 W 3.4 Initial frequency accuracy Calibration option 2 ± 10 ppb...

rai on Space Oven Controlled Crystal Oscillator TE 425 OCXO sries 425 4.0 Mechanical features Weight 100 grams 5.0 Pin description Line Pin number Name Function NC Oven Do not connect option 0 5.1 1 OvA Oven Oven Alarm option 1 5.2 2 - 6 GND Electrical & mechanical ground 5.3 3 Fout Frequency output 5.4 4 Vc Voltage control for electrical tuning 5.5 5 Vref Reference voltage 5.6 7 Vcc Supply voltage October, 26th 2010 Shortform, 51000803.110, Issue A3 3 / 5 www.rakon.com

Space Oven Controlled Crystal Oscillator TE 425 OCXO sries 425 6.0 Model philosophy Representativeness Engineering Engineering Qualification Flight Flight Model + Model Qualification Model Model Model Lot Acceptance test (option A) (options B, C) (option D) (options E, F, G, H) (option I) Component Passive commercial parts Active parts from the same manufacturer of HiRel parts Mil Grade parts procured from the same manufacturer of HiRel parts HiRel Parts HiRel Parts HiRel Parts Crystal material Swept quartz Swept quartz Swept quartz ESCC3501 Swept quartz Swept quartz ESCC3501 Stabilized Stabilized...

Space Oven Controlled Crystal Oscillator TE 425 OCXO sries 425 10.0 Ordering part number definition The part number breakdown is defined as follows: TE 425 E A 1 1 1 10M000000 RAKON -1 Sries -' Model A = EM B = EQM full environmental testing C = EQM reduced environmental testing D = QM _| E = FM level S F = FM level S with combined BI-aging G = FM level B H = FM level B with combined BI-aging I = FM + group C Temperature range/Stability A = 0°C to +50°C, ± 0.5 ppb _ B = -20°C to +65°C, ± 1 ppb C = -40°C to +65°C, ± 10 ppb Supply voltage 1 = 10V _| 2 = 12V 3 = 15V Frequency pulling 1 = internal...