Related Manuals for Safran MR0 Series
Summary of Contents for Safran MR0 Series
- Page 1 ELECTRONICS & DEFENSE SERIES Evaluation Kit Manual mRO Evaluation Kit User Manual Page 1 of 16 Revision: 1 12 December 2023...
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Page 2: Board Description
mRO Series Evaluation Kit Manual, Rev 1 1. Introduction The mRO-Series Evaluation Kit allows users to quickly interface an mR0-50 or mRO-50 Ruggedized miniaturized Rubidium Oscillator. Through the RS232 serial interface, the user can communicate with the mRO. 1.1. Designer Kit Serial The mRO can connect to a PC via the RS232 port. -
Page 3: Installation Procedure
Do not deposit the equipment as unsorted municipal waste. Leave it at an authorized local WEEE collection point or return to Safran to ensure proper disposal. In case of disposal by Safran, the costs related to return freight will be charged to the sender. - Page 4 Series Evaluation Kit Manual, Rev 1 5. Safran mRO application control software 5.1. Setup Start the executable SpectraMon v3.0.0.exe (can take up to 20s to execute) and open the Settings window. Settings window Select the available COM port connected to the evaluation board and press Connect:...
- Page 5 mRO Series Evaluation Kit Manual, Rev 1 To record data coming from the mRO, select the filename path, and check the Record box. Data record All data parameters coming from the mRO can be recorded inside a dedicated “record file” according to the timegate.
- Page 6 mRO Series Evaluation Kit Manual, Rev 1 The Power supply of the mRO can be selected, it gives the ability to the software to compute the right power dissipated by the Rb-cell heating system and laser heating system. Power supply selection The mRO will be contacted according to the Timegate parameter (configured in seconds).
- Page 7 Series Evaluation Kit Manual, Rev 1 5.2. Safran mRO series application control monitor To begin monitoring the mRO, open the Monitor window and select Start Measurement. Monitor window When the start button has been selected, data monitoring will plot to a graph in the Measure window.
- Page 8 mRO Series Evaluation Kit Manual, Rev 1 There is a moving graph on the right of the main window, with a sliding time window equals to 3 minutes (180 seconds). The Window size can be set between 10 and 600 seconds. Window size On this graph, nine parameters are presented.
- Page 9 mRO Series Evaluation Kit Manual, Rev 1 5.2.2. VCSEL temperature window This box shows 5 parameters: Temperature: the setting point temperature of the laser diode 2. Pil HLaser: the hexadecimal value of Temperature 3. Current: the current flowing through the laser diode, which emits the light going to the Rubidium cell.
- Page 10 mRO Series Evaluation Kit Manual, Rev 1 5.2.5. Coarse frequency window This window shows the Modulator value of the digital PLL which drives the signal used in order to set the mRO output frequency according to the Rb line. Coarse frequency 5.2.6.
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Page 11: Frequency Setting
mRO Series Evaluation Kit Manual, Rev 1 5.3. Frequency setting Open the Calibrate window and navigate to the Frequency settings tab. Frequency settings 5.3.1. Command window The Command window gives the ability to the mRO to lock automatically on the Rb line after power Command window 5.3.2. - Page 12 mRO Series Evaluation Kit Manual, Rev 1 Save: saves the value of the RAM inside the ROM of the microprocessor. 5.3.3. Coarse frequency window This window allows the user to change the mRO frequency by 1.24 ppb step. Coarse frequency window Warning: It is highly recommended to set the frequency adjust selector of the evaluation board on...
- Page 13 mRO Series Evaluation Kit Manual, Rev 1 5.3.5. Servo loop window This box allows the user to open the 4 mains digitals loops of the mRO. Servo loop window for mRO-50 (left) and mRO-50 Ruggedized (right) The Vcsel compensation loop can be opened without any condition, 10 minutes after power ON. The Thermal compensation and PILPOLARAOP Thermal compensation loop can be opened without any condition, 10 minutes after Power ON.
- Page 14 mRO Series Evaluation Kit Manual, Rev 1 Select a path in order to save all parameters of the mRO and press Start. Firmware update window Firmware update ongoing, firmware is written inside the microprocessor. It takes around 4 minutes maximum to update the mRO to new firmware. Firmware update window Page 14 of 16...
- Page 15 Series Evaluation Kit Manual, Rev 1 After that update is done, the mRO restarts automatically. Firmware update window 6. Safran Technical Support For technical support, product specifications, and additional documentation, you can visit https://safran-navigation-timing.com/support-hub/mro-50-support-hub/ to submit a support request.
- Page 16 Information furnished by Safran is believed to be accurate and reliable. However, no responsibility is assumed by Safran for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Safran reserves the right to make changes without further notice to any products herein. Safran makes...
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