Watch Learn SDR 17: Frequency Locked Loop (FLL) Video Tutorial


Tutorial Details & Info

Tutorial Title: Learn SDR 17: Frequency Locked Loop (FLL)
Instructor / Channel: HarveyMuddPhysicsElectronicsLab
Lesson Runtime: 18:32 Minutes
Publish Date: October 13, 2022
Total Students / Views: 6,862 views

Watch and learn Learn SDR 17: Frequency Locked Loop (FLL) instructor HarveyMuddPhysicsElectronicsLab. This full video course has a total duration of 18:32 minutes with crystal clear HD video and audio quality. Access this full online lesson today on TutorTube.

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Course Description & Lesson Notes

Official Video Description:

Learn SDR with Professor Jason Gallicchio at Harvey Mudd College Lesson 17: Frequency Locked Loop (FLL) "FLL Band-Edge" Block Filter that takes advantage of the excess bandwidth + and - to nudge frequency of a NCO. This filter needs to know about the excess bandwidth alpha. It doesn't need to take Fourier Transforms, just have an appropriately tailored impulse response, which is pre-computed once as the Fourier Transform of the asymmetric double hump. The carrier can't be too far off -- the received signal needs to have significant overlap with its ideal position. If the signal bandwidth is much narrower than the timing offset, this won't work. Also, if there are strong adjacent signals, they'll tug on the FLL. Discuss loop bandwidth HW: Try to trick the FLL by starting really far offset. You may need to narrow the signal bandwidth by going to more  HW: Try making the bandwidth by factors of 10.The loop should take longer to lock, but be more stable. Try making the bandwidth bigger by factors of 10. The loop will eventually fail to lock. https://gallicchio.github.io/learnSDR/lesson17.html All GNURadio flowgraphs are at: https://github.com/gallicchio/learnSDR --- Learn SDR with Professor Jason Gallicchio

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🎓 Lesson Overview & Learning Outcomes:

Welcome to the step-by-step video guide for Learn SDR 17: Frequency Locked Loop (FLL) taught by HarveyMuddPhysicsElectronicsLab. This tutorial provides a comprehensive walkthrough designed to take you from foundational principles to practical implementation.

💡 Key Topics Covered in This Course:

  • Core Fundamentals & Setup: Understanding the workspace, essential tools, and initial setup for Learn SDR 17: Frequency Locked Loop (FLL).
  • Step-by-Step Practical Demonstration: Hands-on implementation guided by HarveyMuddPhysicsElectronicsLab with real-world examples.
  • Best Practices & Key Shortcuts: Time-saving workflows, keyboard shortcuts, and industry-standard recommendations.
  • Troubleshooting & Common Pitfalls: How to avoid common beginner errors and optimize your workflow for peak efficiency.

📋 Recommended Prerequisites & Study Notes:

No prior advanced experience is required. Follow along with the video player above on any desktop computer, tablet, or mobile device. Pause and rewind at key steps to practice along with the instructor.

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