SA.22c Rubidium Oscillator
Designer Reference and User Guide Revision D
Contents
1 Revision History ............................................................................................................................. 1
1.1 Revision D ........................................................................................................................................... 1
1.2 Revision C ........................................................................................................................................... 1
1.3 Revision B ........................................................................................................................................... 1
1.4 Revision A ........................................................................................................................................... 1
2 Overview ........................................................................................................................................ 2
2.1 Applications ........................................................................................................................................ 2
2.2 Specifications ...................................................................................................................................... 4
3 Design Integration Considerations ................................................................................................. 8
3.1 Mechanical Considerations ................................................................................................................ 8
3.2 Environmental Considerations ........................................................................................................... 8
3.2.1
Thermal Tape .......................................................................................................................................... 8
3.2.2
Water Condensation and Excessive Humidity ......................................................................................... 9
3.2.3
Excessive Dust ......................................................................................................................................... 9
3.3 External Interfaces and Grounding ..................................................................................................... 9
3.4 Electrical Interface .............................................................................................................................. 9
3.4.1
1PPS Input and Output ............................................................................................................................ 9
3.4.2
Lock Signal ............................................................................................................................................... 9
3.4.3
Service Signal ........................................................................................................................................... 9
3.4.4
Frequency Control Signal ...................................................................................................................... 10
3.4.5
ACMOS Output Frequency .................................................................................................................... 10
3.4.6
Analog Frequency Control ..................................................................................................................... 10
3.5 Modifiable Unit Settings ................................................................................................................... 10
3.6 Susceptibility to Input Noise ............................................................................................................. 10
3.7 Reliability and Maintenance ............................................................................................................. 11
3.7.1
Reliability ............................................................................................................................................... 11
3.7.2
Maintenance ......................................................................................................................................... 11
4 Installation and Operation ........................................................................................................... 12
4.1 Installation ........................................................................................................................................ 12
4.1.1
Site Selection ......................................................................................................................................... 12
4.1.2
Turn-On Procedure ................................................................................................................................ 12
4.2 Start-Up Sequence ............................................................................................................................ 13
4.3 Theory of Operation ......................................................................................................................... 14
4.4 Troubleshooting ............................................................................................................................... 14
4.5 Repairs and Support ......................................................................................................................... 14
4.5.1
Email ...................................................................................................................................................... 15
4.5.2
Contact .................................................................................................................................................. 15