3.12 GNSS Receiver Specifications 13
3.12.1 RF Connector, Internal GNSS Receiver 14
3.12.2 Electrical Characteristics, GNSS RF Signal 14
3.13 External GNSS Receiver 14
3.13.1 Connector 14
3.13.2 Electrical Characteristics, Board to Receiver Transmission 14
3.13.3 Electrical Characteristics, Receiver to Board Transmission 14
3.13.4 Electrical Characteristics, Receiver Power 15
3.14 Environmental Specifications 15
CHAPTER 4
Pinouts 17
4.1 Timing Connector Pinout 18
4.2 External GNSS Connector Pinout 19
CHAPTER 5
Installation 21
5.1 GNSS Antenna 22
5.2 Changing the Board Bracket 22
5.3 Status LEDs 24
CHAPTER 6
Theory of Operation 27
6.1 Input References 28
6.1.1 GNSS Receivers as Input References 28
6.1.2 IRIG Inputs 28
6.1.3 External 1PPS Reference 30
6.1.4 Built-in References 30
6.2 Input Reference Monitor 30
6.3 Clock Subsystem 31
6.4 Output References 32
6.4.1 IRIG Output 32
6.4.2 10-MHz Sine Wave Output 33
6.4.3 1PPS Output 33
VI
User Manual TSync-PCIe • TABLE OF CONTENTS
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