Maximize Your Signal: Understanding Efficiency of 49:1 UnUn for EFHW Antennas

Описание: This video dives into the power loss, insertion loss, and efficiency of the 49:1 UnUn (balun) with a 14/2 winding pattern on FT240-43 toroids.
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Thanks for watching and 73's.
Jerry
KM4ZKB

As an Amazon Influencer, I earn from qualifying purchases. Some links are affiliate—meaning I may get a small commission if you buy (at no extra cost to you). All opinions are my own; I only recommend what I'd use myself. Thanks for supporting @BudgetHamRadio!

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Link to dB power ratio calculator: https://www.satsig.net/lnb/db-calcula...

👉 Like this video? For more videos similar to this, click here -    / @budgethamradio  

👉 All my videos on how to build 49:1 matching transformers -    • Build 49:1 UnUn / baluns for your EFHW  

👉 For my other how to videos featuring baluns, ununs, chokes, or filters -    • Build baluns, chokes, ununs, filters and m...  

👉 For my other how to videos on DIY homemade antennas -    • Homebrew Antennas and equipment  

👉 For my other videos on how to use the NanoVNA -    • Using the NanoVNA  

Chapters

00:00 Intro
02:07 Test setup to measure 49:1 transformer efficiency
03:20 UnUn efficiency tests with the NanoVNA
05:02 49 to 1 UnUn Test Results
08:44 Summary and Analysis
10:32 Outro

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#hamradio #hf #antenna #nanovna #unun #balun #diy #homebrew

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73 de KM4ZKB, Jerry