Frequency Converters and High-Power Amplifiers

SAT 105 delves into the critical components that enable reliable satellite communication, focusing on the principles and practical applications of frequency conversion and high-power amplification. The curriculum covers the functional block diagrams, performance specifications, and interdependencies of upconverters, downconverters, and LNBs, specifically addressing techniques employed in the Ku and Ka frequency bands. Students will also explore the operational characteristics, advantages, and limitations of both traveling-wave tube amplifiers (TWTAs) and solid-state power amplifiers (SSPAs), examining their role in maximizing signal strength for transmission. Through theoretical instruction and hands-on laboratory exercises, technicians will develop the expertise required to install, test, and maintain these essential system elements, ensuring optimal system performance and reliability in various satellite communication scenarios.

InstructorJacob Calhoun

Prerequisites

SAT 101

Course outline

Lectures, virtual labs, and graded assignments — completed in your browser.

01Lesson 1: Introduction to Satellite Communication Systems and Frequency Bandslecture

02Lesson 2: Fundamentals of Frequency Conversion and Mixinglecture

03Lesson 3: Upconverter Architectures and Operationlecture

04Hands-on Lab: Upconverter Performance Characterizationlab

05Lesson 5: Downconverter Architectures and Operationlecture

06Lesson 6: Low-Noise Block Downconverters (LNBs): Principles and Applicationslecture

07Lesson 7: Introduction to High-Power Amplification for Satellite Systemslecture

08Hands-on Lab: LNB Troubleshooting and Measurementlab

09Lesson 9: Traveling-Wave Tube Amplifiers (TWTAs): Design and Characteristicslecture

10Lesson 10: Solid-State Power Amplifiers (SSPAs): Design and Characteristicslecture

11Hands-on Lab: Power Amplifier Gain and Compression Testinglab

12Lesson 12: Interfacing and Integration of Converters and Amplifierslecture

13Lesson 13: System Performance, Link Budget Considerations, and Troubleshooting Techniqueslecture

14Capstone Service Project: Satellite Ground Station Component Integration and Testassignment

Syllabus

["Week 1: Lesson 1: Introduction to Satellite Communication Systems and Frequency Bands","Week 2: Lesson 2: Fundamentals of Frequency Conversion and Mixing","Week 3: Lesson 3: Upconverter Architectures and Operation","Week 4: Hands-on Lab: Upconverter Performance Characterization","Week 5: Lesson 5: Downconverter Architectures and Operation","Week 6: Lesson 6: Low-Noise Block Downconverters (LNBs): Principles and Applications","Week 7: Lesson 7: Introduction to High-Power Amplification for Satellite Systems","Week 8: Hands-on Lab: LNB Troubleshooting and Measurement","Week 9: Lesson 9: Traveling-Wave Tube Amplifiers (TWTAs): Design and Characteristics","Week 10: Lesson 10: Solid-State Power Amplifiers (SSPAs): Design and Characteristics","Week 11: Hands-on Lab: Power Amplifier Gain and Compression Testing","Week 12: Lesson 12: Interfacing and Integration of Converters and Amplifiers","Week 13: Lesson 13: System Performance, Link Budget Considerations, and Troubleshooting Techniques","Week 14: Capstone Service Project: Satellite Ground Station Component Integration and Test"]