Technical Manual
Table Of Contents
- 1. Introduction
 - 2. Hardware
 - 3. The A431 Radio Module
- 3.1. About the A431 Radio Module
 - 3.2. Functional description
 - 3.3. Manufacturing Issues
- 3.3.1. Marking and labeling issues
 - 3.3.2. Alignment Range and Switching Range
 - 3.3.3. Tuning Procedure
 - 3.3.4. Setting Up the Default Parameters
 - 3.3.5. Definitions
 - 3.3.6. Test Equipment Settings
 - 3.3.7. Trimming Elements
 - 3.3.8. Adjusting the Receiver Front End
 - 3.3.9. Adjusting the VCOs
 - 3.3.10. Adjusting the Crystal Reference
 - 3.3.11. Checking the Receiver Parameters
 - 3.3.12. Checking the Transmitter Parameters
 - 3.3.13. Data Transfer Check
 
 - 3.4. PCB Parts Placement
 - 3.6. Frequency Reference Specifications
 - 3.7. A431 Module’s Photographs
 
 - 4. Software
 










