Telit Wireless Solutions SL869-V2 Series User Manual

SL869x-V2 Family Product User Guide
1VV0301175 Rev. 9 Page 6 of 93 2021-07-15
Not Subject to NDA
9.3.5. Output Signals 51
9.3.5.1. 1PPS 51
Serial I/O Ports 52
9.4.1. Serial Port Usage 53
9.4.1.1. Primary Port Usage 53
9.4.1.2. Secondary Port Usage 53
9.4.2. UART Port Operation 53
9.4.3. I2C Port Operation (SL869L-V2 only) 53
Antenna RF Interface 55
9.5.1. RF-IN 55
9.5.2. Frequency Plan 56
9.5.3. Burnout Protection 56
9.5.4. Jamming Rejection – Active Interference Cancellation 56
10. RF FRONT END DESIGN 57
RF Signal Requirements 57
GNSS Antenna Polarization 58
Active versus Passive Antenna 59
GNSS Antenna Gain 59
System Noise Floor 60
RF Trace Losses 60
PCB Stack and Trace Impedance 61
Input to the Pre-select SAW Filter (SL869-V2 and SL869-V2S only) 61
Input to the LNA (SL869L-V2 AND SL869L-V2S only) 62
Powering an External LNA (or active antenna) 62
RF Interference 63
Shielding 64
11. REFERENCE DESIGNS 65
12. MECHANICAL DRAWING 67
13. PCB FOOTPRINT 68
14. PRODUCT PACKAGING AND HANDLING 69
Product Marking and Serialization 69

Telit Wireless Solutions SL869-V2 Series Specifications

General

Brand	Telit Wireless Solutions
Model	SL869-V2 Series
Category	Receiver
Language	English