balun 10 to 1
15 links
Antennas : 40M : 40 meter Dipole Antennas
- 40m loaded dipole
- This is an short dipole for 7 MHz. Total length of this dipole is just 10 meters, 33 feet. Missing lenght is balanced by a coil made of 49 turns of a 40mm diameter pvc pipe. The use of a choke balun is recommended, as always, to adapt the unbalanced coax cable to the balanced antenna, and to prevent RF feed back along the coax shield.
[ Hits: 194 | Votes: 4 | Rating: 8.75 ]
- A 9:1 Balun
- How to DIY a 9:1 balun in french
[ Hits: 7630 | Votes: 13 | Rating: 6 ]
- Making a good balun
- The normal way to make a good balun is to wind a core with a bifilar winding about 8-10 turns, and then connect the coax to one side and the antenna to the other.
[ Hits: 499 | Votes: 0 | Rating: 0 ]
- Choking balun for 160-30 meter band
- Choking balun for lower HF and MF bands. (1.8MHz - 10MHz). Requiring a choking balun to isolate the potential RF pick up on the coax cable as it runs past equipment such as computer within the radio room at lower HF and MF frequencies a simple method of winding RG58 coax onto a Powdered Iron Toroid Core was constructed.
[ Hits: 196 | Votes: 3 | Rating: 6 ]
- Easy Sleeve Balun
- A simple and effective sleeve type balun is easily built. This Balun can be adapted to any band. While the dimensions are not critical ( +/- 10%), it is still basically a mono band device
[ Hits: 180 | Votes: 3 | Rating: 6 ]
- Broad band 1:1 current balun
- A 1:1 current balun that offeres a almost flat swr curve from 1 to 30 MHz
[ Hits: 2079 | Votes: 5 | Rating: 8.4 ]
- W1CG Low Power Balun Kit
- Contruction manual to build a 4:1 balun, it has good performance from 160 through 10 meters.
[ Hits: 4373 | Votes: 4 | Rating: 7 ]
- 1:4 Current Balun
- This project is intended to aid in tuning a balanced antenna or feedline that has a high impedance 100-600 ohms
[ Hits: 3414 | Votes: 5 | Rating: 8 ]
- How to construct a multi-band dipole using speaker wire
- How to homemade a multi-band HF dipole using 100 meter of speaker wire, 2 strandsm including a homebrew 1:1 choke balun
[ Hits: 879 | Votes: 1 | Rating: 10 ]
- End Fed Antenna with a 1:64 Matching Network
- In this experiment the autor is going to explore the use of a 1:64 matching network on the End Fed Long Wire Antenna.
Experiment will consist in build a 80-40-20-15-10 meter End Fed Long Wire Antenna with a 1:64 matching network from the documentation available on the internet
[ Hits: 872 | Votes: 15 | Rating: 6.73 ]
- HF Multiband end fed antennas
- A multiband end-fed antenna that cover 3.5 to 30 Mhz using a 1:64 Balun based on a FT240-43 core
[ Hits: 3723 | Votes: 6 | Rating: 4.67 ]
- Homebrew an OCF Off-Center Fed Dipole Antenna
- This type of antenna is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It’s a dipole fed off center with a 4:1 balun at the offset feed point. The antenna shown covers 80, 40, 20 and 10 meters. The formula can also be used to adjust the overall length to cover more or fewer bands and the resulting overall length. 160-10m, 80-10m or 40-10 meters depending on your available space. Other bands will require a tuner.
[ Hits: 198 | Votes: 3 | Rating: 6.67 ]
- The Easy Way Antenna Systems
- This document is a must read for anyone considering building a good low cost HF multi-band antenna system.
The author combine in this document four important ingredients to produce simple but effective antenna system, like antennas of non resonant length, line attenuation, the transmatch and the balun
[ Hits: 632 | Votes: 2 | Rating: 4.5 ]
- Antenne verticale HF.
- A vertical antenna project than can present low swr from 40 to 10 meters by using a balun in french
[ Hits: 2217 | Votes: 0 | Rating: 0 ]
- mini Ring-Core-Calculator - Calculate windings on ferrite cores
- The program can be used to calculate inductors (coils) and their number of turns on ferrite cores, ferrite shells and air coils. These can be used for baluns, Ununs, bandpass filters, low pass filters, resonant circuits, and more. The technical specifications of the cores are already integrated in the program.
Application is free and runs on Windows 32 bit versions only. To make it run on Windows 10 64 bit need to be unzipped in a single folder.
[ Hits: 396 | Votes: 1 | Rating: 1 ]
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