STDA026
March 2026
AFE7950-SP
1
Abstract
Trademarks
1
Introduction
1.1
Overview of Modern Satellite Communication Systems
1.2
Presentation of the AFE7950 as an Integrated RF Design
2
Technical Advantages of AFE7950 for SATCOM Applications
2.1
Spectral Flexibility and Agility
2.1.1
Wide Frequency Range (600MHz - 12GHz)
2.1.2
Configurable Bandwidth
2.1.3
Significance of Frequency Hopping for SATCOM
2.1.4
JESD204B and JESD204C Flexibility
2.1.4.1
Subclass 1 Synchronization
2.1.4.2
Lane Reduction for Power Savings
2.1.4.3
Recommended JESD Encoding
2.2
Advantages for SATCOM System Design
2.3
Radiation Tolerance
2.3.1
AFE7950-SP: Space-Qualified Version
2.3.1.1
Total Ionizing Dose (TID)
2.3.1.2
Single Event Latch-Up (SEL)
2.3.1.3
Single Event Functional Interrupt (SEFI)
2.3.1.4
Radiation Lot Acceptance Testing
2.3.1.5
Outgassing ASTM E595 Compliance
2.3.2
Benefits for SATCOM
2.4
Power Consumption Optimization
2.4.1
Power Mode Configuration
2.4.1.1
Rx Only Mode
2.4.1.1.1
Use Case of Rx Mode
2.4.1.1.2
Benefits of Rx Mode
2.4.1.2
Typical Operation Mode
2.4.1.3
4T4R FDD Mode
2.4.1.3.1
4T4R FDD Mode Use Case
2.4.2
Power-Saving Strategies
2.4.2.1
Low Power Operation Mode
2.4.2.1.1
Standby Mode
2.4.2.1.2
Sleep Mode
2.4.3
Benefits of Sleep and Standby Mode for SATCOM
3
Conclusion
4
References
4
References
Agoro, Yusuf (July 2020).
How to Achieve Frequency Hopping With the AFE79xx
, Texas Instruments' application report.
Guibord, Matt (April 2015).
JESD204B Multi-Device Synchronization: Breaking Down the Requirements
, Texas Instruments' analog design journal
Iyer, Srinivasan and Murphy, Srinivas (May 2023).
AFE79xx as a Single Chip Wideband Repeater Solution
, Texas Instruments' application note.
Texas Instruments,
AFE7950-SP Production Flow and Reliability Report
, radiation report.
Texas Instruments,
AFE7950-SP Total Ionizing Dose (TID) Radiation Report
, radiation report.
Texas Instruments,
AFE7950-x 4T6R RF Sampling AFE with 12GSPS DACs and 3GSPS ADCs
, datasheet.