Space Oven Controlled Crystal Oscillator RK 409 10-9 Stability class OCXO For this product, full and detailed specifications can be delivered on request. Specific request can be addressed to RAKON [email protected] Product Description This stable oscillator 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. -13 The AV (Allan Variance) variant of the RK409 has a short term stability of 6.10 at 1 s. This frequency source is featured by remarkable overall frequency stability vs. temperature range up to ± 0.5 ppb under vacuum and ± 20 ppb per year. The RK409 is available with different packages, in a small format (50x50x30mm) and is manufactured in accordance with MIL-PRF-55310 (Class 1, type 4 or type 6, level S or B). Frequency Range: 10 MHz to 40 MHz -13 Allan Variance @ 1s: 6.10 Supply Voltage: +12V or +15V Warm up consumption: 7 Watt Steady state consumption: 3 W under vacuum and 4W under atmospheric pressure Frequency stability vs. operating temperature range: ± 0.5 ppb under vacuum Ageing : ± 150 ppb over 15 years at 10MHz Output wave form: sine 50 Ohms Output level: from 2 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 or B) o ECSS-Q-ST-70-08C and ECSS-Q-ST70-38C Weight:125g (GP variant)/170g (AV variant) Transponders GPS receivers Navigation Converters 1. Environmental conditions Parameters Operating Temperature Conditions/remarks Option A Option B Option C TSo Switch-on Temperature Non-Operating Temperature TNOp -55 125 °C Random Vibration Level as per MIL-STD-202, Method 214, condition I-J (46.30 Grms) Sine Vibration Level as per MIL-STD-202, Method 214, condition D (20 G) Mechanical shock as per MIL-STD-202, Method 213, Condition E (half sine with a Shocks peak acceleration of 1000g for duration of 0.5 msec) Radiation TID : 100 kRad, low dose rate No SEL up to LET=60 MeV/mg/cm²

Space Oven Controlled Crystal Oscillator RK 409 10-9 Stability class OCXO 2. Electrical interface Parameters Power supply Load Impedance Reference voltage Control voltage Conditions/remarks Option 12 Option 15 dBc dBc dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz Option AV (Allan Variance) Parameters Nominal Frequency Steady state input current power Warm up supply power Initial frequency accuracy Frequency adjustment Frequency stability vs temperature Frequency variation vs. supply voltage Frequency variation vs. load Frequency variation vs pressure Frequency ageing (10 MHz) Allan variance Frequency warm...

Space Oven Controlled Crystal Oscillator RK 409 10-9 Stability class OCXO 3.2. Option GP (General Purpose) Parameters Nominal Frequency Steady state input current power Warm up supply power Initial frequency accuracy Frequency adjustment Frequency stability vs temperature Frequency variation vs. supply voltage Frequency variation vs. load Frequency variation vs pressure Frequency ageing (10 MHz) Allan variance Frequency warm up Output waveform Output level Harmonics level and subharmonics Non harmonics level Over 1 year Over 15 years 1s 10s Frequency pulling Option 2 Positive slope Option A Option...

l^j^J^^ Space Oven Controlled Crystal Oscillator RK 409 109 Stability class OCXO 4.1. Package PT1 (Pin Through hole) Specifications subject to change without notice

l^j^J^^ Space Oven Controlled Crystal Oscillator RK 409 109 Stability class OCXO Specifications subject to change without notice

Space Oven Controlled Crystal Oscillator RK 409 10-9 Stability class OCXO 5. Model philosophy Representativeness Engineering Model A Passive commercial parts, Active parts from the same manufacturer of HiRel parts Mil Grade parts procured from the same manufacturer of HiRel parts Mechanical interface Swept quartz stabilized Flight representative in form-fit-function Swept quartz stabilized Flight representative in form-fit-function Electrical interface Flight design Flight design Acceptance testing Qualification testing Crystal material Engineering Qualification Model B, C Qualification Model...

Space Oven Controlled Crystal Oscillator RK 409 109 Stability class OCXO 9. Ordering part number definition The part number breakdown is defined as follows: AV = focus on Short Term stability Temperature range/Stability Supply voltage Frequency pulling Oven Alarm B = EQM full environmental testing C = EQM reduced environmental testing F = FM level S with combined Bl-aging H = FM level B with combined Bl-aging April, 2nd 2012 Specifications subject to change without notice