HSO14

HSO14 RAKON | Alldatasheet

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ULTRA STABLE OSCILLATOR (USO) | 10-14 SHORT-TERM STABILITY CLASS OCXO Issue: A6, 51001808.110, 5 July 2024 Specifications are subject to change without notice Copyright © 2014 to 2024, Rakon Limited. All rights reserved Page 1 of 3 Contact Us HSO14 The Ground USO HSO14 is a High Stability Oscillator (HSO) specifically designed to meet the stringent requirements of calibration and metrology laboratories, as well as high-performance applications such as master & atomic clocks and ground stations. This 10-11 stability class USO exhibits impressive short-term stability (Allan Standard Deviation, ADEV) of 8 x 10-14. A superior ADEV of 6 x 10-14 is available on special request. The HSO14 delivers excellent close-in phase noise (e.g.,- 130 dBc/Hz at 1 Hz offset, 5 MHz). It is a high-performance reference oscillator ideal for scenarios that require exceptionally stable frequency stability, reliable signals and outstanding ADEV performance. It is available in the following frequencies: 5 MHz or 10 MHz. Allan Deviation (ADEV) at 5 MHz Phase Noise ζ (f) at 5 MHz Features Applications 73 x 135 x 84 mm  Frequency: 5 or 10 MHz  Short-term stability: 8 x 10-14 at 5 and 10 MHz  Frequency stability: ± 5 x 10-11 over 0 to +50 °C  Supply voltage: 24 V  Ageing: ±5 x 10-11 (±50 ppt) per day  Reference oscillator for laboratories  Reference oscillator for maser and atomic fountains  Ground stations SMA1 Allan Deviation (ADEV) 1E-14 1E-13 1E-12 1000s 100s 10s Sigma (σy) Tau (T) -120 -130 -140 -150 -160 -170 -180 -110 Phase Noise (dBc/Hz) -100 -90 -80 -70 Phase Noise ζ (f) 100k 100 0.1 0.01 10k Frequency (Hz) Z X Y

ULTRA STABLE OSCILLATOR (USO) | 10-14 SHORT-TERM STABILITY CLASS OCXO Issue: A6, 51001808.110, 5 July 2024 Specifications are subject to change without notice Copyright © 2014 to 2024, Rakon Limited. All rights reserved Page 2 of 3 Contact Us 1. Environmental Conditions Parameter Min. Typ. Max. Unit Test Condition / Description Operating temperature 0 25 50 °C Max. 1 °C/hour Non-operating temperature -5 25 55 °C - Storage temperature 0 - 60 °C - Frequency stability after mechanical shocks - - ±10 ppb Half sine 30 g / 11 ms Frequency stability after sine vibrations - - ±5 ppb 10 – 500Hz 10 g acceleration 2. Performance Data Parameter Min. Typ. Max. Unit Test Condition / Description Nominal frequency (Fn) - 5, 10 - MHz - Relative pulling frequency range ±50 - ±100 ppb With internal potentiometer ±20 - - Frequency tuning with Vc input from 0 to 10 V Power supply Steady state Warm-up 2.4

10 W Typical 25 °C

Achieving 15 minutes after startup @ 25 °C Frequency warm-up time - mn day For frequency in the range Fn ± 1 ppm @25 °C For full performance Frequency stability vs. temperature - - ±50 ppt - Frequency variation vs. supply voltage (VCC) - - ±10 ppt Vcc ± 1 % at 25 °C Frequency variation vs. load - - ±20 ppt At ±10% Ageing ±50 ±1.5 ±10 ±50 ppt/day ppb/month ppb/year ppb/10 years After a minimum of 21 days of continuous operation According to the MIL-PRF-55310 version C g-sensitivity1 - - ±1 ppb/g Quadratic sum Output level 7 8 9 dBm Output waveform: Sinewave Harmonics - - -40 dBc From DC to 10xFn Spurious - - -80 dBc From 100 Hz to 3 GHz @25 °C 3. Electrical Interface Parameter Min. Typ. Max. Unit Test Condition / Description Power supply 21.60 24 26.40 V 24 V Load impedance 47.5 50 52.5 Ω - Reference voltage (VREF) - 8 - V Output current: 0 to 1 mA max. 4. Short-term Stability Options and Phase Noise ADEV Option Remarks Tau=1s Tau=3 –30s Frequency 1Hz 10Hz 100Hz 1kHz 10kHz

08 ADEV = 08E-14 1E-13 08E-14 5 MHz

10 MHz

-130 -123 -150 -141 -157 -143 -160 -143 -160 -143

10 ADEV = 10E-14 10E-14 5 MHz

-128 -121 -148 -141 -155 -143 -160 -143 -160 -143

15 ADEV = 15E-14 15E-14 5 MHz

10 MHz - - - - -

20 ADEV = 20E-14 20E-14 5 MHz

25 ADEV = 25E-14 25E-14 5 MHz

1 Measurement according to MIL-PRF-55310, method 2g tip over.

ULTRA STABLE OSCILLATOR (USO) | 10-14 SHORT-TERM STABILITY CLASS OCXO Issue: A6, 51001808.110, 5 July 2024 Specifications are subject to change without notice Copyright © 2014 to 2024, Rakon Limited. All rights reserved Page 3 of 3 Contact Us 5. Model Outline and Pin Connections Parameter Remarks Net weight 1100 g typ. STEP file HSO14 3D model To open or view the STP file, you will need to import it into one of the following software programs: Autodesk Fusion 360, CATIA, SolidWorks, Solid Edge, TurboCAD, Kubotek KeyCreator, FreeCAD, ABViewer, ShareCAD, or eMachineShop. 6. Ordering Part Example Product Family HSO = High Stability Oscillator 14 = Short-term stability class Package SMA1 = SMA+DE-9P, 73x135x84 mm HSO14 SMA1 08 5M ADEV 06* = 06E-14; 08 = 08E-14 10 = 10E-14; 15 = 15E-14; 20 = 20E-14; 25 = 25E-14 Frequency (Fn) 5M = 5 MHz, 10M = 10 MHz * For ADEV at 06E-14, a specific shortform will be written. NOTE: Unit is mm. General tolerance ±0.2 mm. TOP VIEW FRONT VIEW BOTTOM VIEW RIGHT SIDE VIEW LEFT SIDE VIEW Z X Y