STDA026 March   2026 AFE7950-SP

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Overview of Modern Satellite Communication Systems
    2. 1.2 Presentation of the AFE7950 as an Integrated RF Design
  5. 2Technical Advantages of AFE7950 for SATCOM Applications
    1. 2.1 Spectral Flexibility and Agility
      1. 2.1.1 Wide Frequency Range (600MHz - 12GHz)
      2. 2.1.2 Configurable Bandwidth
      3. 2.1.3 Significance of Frequency Hopping for SATCOM
      4. 2.1.4 JESD204B and JESD204C Flexibility
        1. 2.1.4.1 Subclass 1 Synchronization
        2. 2.1.4.2 Lane Reduction for Power Savings
        3. 2.1.4.3 Recommended JESD Encoding
    2. 2.2 Advantages for SATCOM System Design
    3. 2.3 Radiation Tolerance
      1. 2.3.1 AFE7950-SP: Space-Qualified Version
        1. 2.3.1.1 Total Ionizing Dose (TID)
        2. 2.3.1.2 Single Event Latch-Up (SEL)
        3. 2.3.1.3 Single Event Functional Interrupt (SEFI)
        4. 2.3.1.4 Radiation Lot Acceptance Testing
        5. 2.3.1.5 Outgassing ASTM E595 Compliance
      2. 2.3.2 Benefits for SATCOM
    4. 2.4 Power Consumption Optimization
      1. 2.4.1 Power Mode Configuration
        1. 2.4.1.1 Rx Only Mode
          1. 2.4.1.1.1 Use Case of Rx Mode
          2. 2.4.1.1.2 Benefits of Rx Mode
        2. 2.4.1.2 Typical Operation Mode
        3. 2.4.1.3 4T4R FDD Mode
          1. 2.4.1.3.1 4T4R FDD Mode Use Case
      2. 2.4.2 Power-Saving Strategies
        1. 2.4.2.1 Low Power Operation Mode
          1. 2.4.2.1.1 Standby Mode
          2. 2.4.2.1.2 Sleep Mode
      3. 2.4.3 Benefits of Sleep and Standby Mode for SATCOM
  6. 3Conclusion
  7. 4References

2.4.1.1 Rx Only Mode

In this mode, only the four ADCs are enabled while all DACs remain on standby in TDD mode. Under these conditions, the device consumes approximately 4.85W.