How to build 9:1 unun for a random wire hf antenna скачать в хорошем качестве

How to build 9:1 unun for a random wire hf antenna

How to build the 9:1 UnUn / balun matching transformer to use with a random wire antenna. This video shows step by step how to wind a 9:1 unun. 👍 Support Budget Ham Radio channel - https://buymeacoffee.com/budgethamradio 👍 *Be sure to Like, Share, Comment, and Subscribe*. 👉 Like this video? For more videos similar to this, click here -    / @budgethamradio   This video is one in a series that shows how to build your own balun and unun matching transformers. After the step by step builds we do insertion loss tests and take other measurements as needed such as resistance, SWR, etc. 👉 For my other how to videos detailing how to build baluns, ununs, chokes, or filters -    • Build baluns, chokes, ununs, filters ...   👉 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   Thanks for watching and 73's. Jerry KM4ZKB A list of links is provided below if you would like to purchase anything seen or mentioned in this video. If you buy through these links I will earn a small commission on each sale which will help to support the channel to provide more videos. It will not affect the price you pay. Amazon Affiliate Links FT240-43 Amidon Toroid Core - https://amzn.to/3PeOaRz 16 AWG Insulated Wire, 6 colors, 13.2 ft ea. - https://amzn.to/43CY0Fw 16 AWG Magnet Wire - https://amzn.to/3ZSafdQ 4x4x2 PVC Junction Box - https://amzn.to/3DzPCLQ SO-239 Bulkhead Connectors - https://amzn.to/3DCdwqg NanoVNA-H4 - https://amzn.to/492qZTG SMA Male to SO239 UHF Female - https://amzn.to/3Z7d8a9 SMA Female to Female Barrel Connector - https://amzn.to/3ZmllIK BNC to screw terminal connector - https://amzn.to/4gXiJaD SMA to BNC connector kit - https://amzn.to/4hhPmQb Eco-worthy 20ah LiFePO4 - https://amzn.to/4egqRRH Eco-worthy 30ah LiFePO4 - https://amzn.to/4fEVscr Eco-worthy 50ah LiFePO4 - https://amzn.to/3YBOJcB Battery Charger 20ah - https://amzn.to/3AFj3Li (works with multiple battery types and sizes) Battery Power Meter Analyzer - https://amzn.to/4fWHT8C Antuner - Antenna Tuner Power SWR Meter - https://amzn.to/3NXq2Cn Goture 21 ft Carbon Fiber Pole - https://amzn.to/4hGZiDO BNTECHGO Silicone Wire - https://amzn.to/3CCqrYK Carabiner S-biner Clips - https://amzn.to/3O5rbI1 BNC Female to Dual Banana Female - https://amzn.to/3NZmT52 SO-239 PL-259 to BNC Male Adapter - https://amzn.to/3YU4BIG Mueller Clips, 10a - https://amzn.to/4elgThJ Male/Female Bullet Connectors - https://amzn.to/4hGW9DU Crimping Tool - https://amzn.to/3Z8L2eT Wire Stripper with crimper - https://amzn.to/4ep91vO Mirror Mount Jaw Clamp - https://amzn.to/3YVMlP6 SO-239 STUD MOUNT for Jaw Clamp - https://amzn.to/3Ci4ldH Rope Pulley - https://amzn.to/3O1b4eP Paracord - https://amzn.to/3O3vNP3 Source for Fair-Rite 2643251002 toroids (No commission) https://www.digikey.com/en/products/d... Source for TDK capacitors - Mouser Electronics (No commission) https://www.mouser.com Mouser part # 810-CC45SL3FD101JYVN MFG Part No: CC45SL3FD101JYVNA Description: TDK D: 8.5mm 3kV 100pF S / Ceramic Disc Capacitors Wireless Microphone - https://amzn.to/3CJBcZd Thanks for watching! Chapters 00:00 Intro to building your own 9:1 unun 00:38 Build description for the 9:1 matching transformer 01:28 Toroid core size and mix type 01:58 Wire type and length needed for unun 02:40 Start winding 9:1 toroid core 10:21 9:1 wiring diagram explanation 11:24 Make winding connections 20:15 Verifying the 450 ohm load resistors 23:10 Test 9:1 UnUn with NanoVNA for impedance matching 27:23 NanoVNA testing for Insertion Loss 31:59 Summary 33:31 Outro 👍 Support Budget Ham Radio channel - https://buymeacoffee.com/budgethamradio 👍 Be sure to Like, Share, Comment, and Subscribe. #hf #hamradio #9:1 #unun #balun #random #wire #antenna #howto #hfradio #diy #homemade