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Parameters Conditions/remarks Min Nom Max Unit Option 1 (5V) 4.8 5 5.3 V Option 2 (12V) 11 12 13 V Load Impedance 45 50 55 Supply voltage option 1 3.1 3.2 3.3 V Supply voltage option 2 6.8 7.25 7.8 V Control voltage when voltage control option is selected
0 Vref V
Parameters Conditions/remarks Min Nom Max Unit Option A -5 25 60 °C Option B -20 25 70 °C Option C -40 25 70 °C Option D -40 25 75 °C Switch-on Temperature TSo -40 85 °C Non-Operating Temperature TNOp -55 125 °C Random Vibration Sine Vibration Shocks Radiation Operating Temperature Level as per MIL-STD-202 Method 214, condition K (46.3Grms) Level as per MIL-STD-202 Method 204, condition D (20G) Mechanical shock as per MIL-STD-202, Method 213, Condition F (half sine with a peak acceleration of 1500g for duration of 0.5 msec) TID : 100 kRad, low dose rate (36 to 360 rad/h) ITAR-Free Low phase noise Frequency Range: 10 MHz to 125 MHz Supply Voltage: +5V or +12V Multi-package Warm up consumption: 5 W max Steady state Consumption: 2 W under vacuum and 3W under atmospheric pressure Frequency Stability vs. Operating Temperature Range: ±20 ppb under vacuum Ageing : ±0.3 ppm max over 18 years at 10 MHz Output Wave Form : sine 50 Ohms Output Level : from 10 to 12 dBm Component selected as per ECSS-Q-ST-60C Materials selected as per ECSS-Q-ST-70 Manufacturing in accordance with: o MIL-PRF-55310 (Class 1, type 4, level S) o ECSS-Q-ST-70-08C and ECSS-Q-ST-70-38C Standard frequencies: 10, 100 and 120MHz Short lead time for standard frequencies Transponders GPS receivers Navigation Converters Onboard calculators Synthesizers FGU
Space Oven Controlled Crystal Oscillator RK 408 10-8 Stability class OCXO November,5th 2013 Specifications subject to change without notice Shortform, 51001203.110, Issue A3 2 / 2 www. rakon .com Performance for standard frequencies Parameters Conditions/Remarks Unit Min Typ Max Min Typ Max Min Typ Max Unit Nominal Frequency MHz 10 100 120 MHz Steady state input current power Vacuum @ -20°C W 3 3 3 W Warm up supply power Vacuum, EOL W 5 5 5 W Frequency pulling Option 1 ppm ± 0.25 ± 0.5 ± 0.5 ppm Frequency pulling Option 2 ppm ± 0.1 ± 0.1 ± 0.1 ppm Frequency adjustment Positive slope (option 2) ppm ± 0.4 ± 1.1 ± 1.3 ppm Option A ppb ± 10 ± 20 ± 20 ppb Option B ppb ± 20 ± 40 ± 40 ppb Option C ppb ± 30 ± 60 ± 60 ppb Option D ppb ± 60 ± 120 ± 120 ppb Frequency variation vs. supply voltage Over Operating Temperature ppb ± 1 ± 2 ± 2 ppb Frequency variation vs. load Over Operating Temperature ppb ± 25 ± 50 ± 50 ppb Frequency variation vs pressure ppb ± 100 ± 200 ± 200 ppb Over 1 year ppb ± 100 ± 300 ± 500 ppb Over 18 years ppb ± 300 ± 1000 ± 1200 ppb Frequency warm up Time needed to reach the initial frequency accuracy (1h ref.) mn 10 10 10 mn Output waveform BOL, Supply voltage option 1 dBm 0 0 0 dBm BOL, Supply voltage option 2 dBm 10 12 10 12 10 12 dBm Harmonics level dBc -30 -30 -30 dBc Non harmonics level dBc -85 -85 -85 dBc
1 Hz dBc/Hz -100 -70 -65 dBc/Hz
10 Hz dBc/Hz -130 -100 -95 dBc/Hz
100 Hz dBc/Hz -150 -130 -125 dBc/Hz
1kHz dBc/Hz -160 -152 -150 dBc/Hz 10 kHz dBc/Hz -165 -162 -162 dBc/Hz Sine Phase noise Initial frequency accuracy Frequency stability vs temperature Frequency ageing Output level Package name Description Dimensions MS1 Micro D+SMA 40x50x20 mm PS1 Pin side+SMA 40x50x20mm Ordering part number definition Note 1: the stability over temperature range depends on the frequency RAKON Supply voltage 1 = 5V 2 = 12V Package MS1= 40x50x20 Micro D + SMA PS1 = 40x50x20 Pin side + SMA Model EM EQM FM RK 408 10M000000 Frequency, Fnom FM PS1 1 Frequency pulling 1 = internal calibration 2 = voltage controlled Temperature stability (1) A = -5°C to +60°C, ± 10 to ± 20 ppb B = -20°C to +70°C, ± 20 to ± 40 ppb C = -40°C to +75°C, ± 30 to ± 60 ppb D = -40°C to +75°C, ± 60 to ± 120 ppb A Serie OCXO (4xx) 10-8 stability class