Balun Unun DIY Kits for Balun Antenna Balance Amateur DIY($17.99Value)

Description

Balun DIY Kits for Balun Antenna Balance Amateur DIY.NOTICE:This item's shell has punched holes. It can withstand 100W-200W. It can easily produce high-performance balun to ensure efficient radio transmission and reception. It allows you to fully enjoy the fun of DIY. 1:1 balun is suitable for bipolar DP antenna (inverted V positive V) antenna such as Yagi (40-100Ω). 1:4 balun for LOOP antenna and Winton antenna (200-400Ω). 1:9 balun is suitable for long-line antennas, with manual day adjustment or automatic day adjustment. You will receive the balun kits with the instructions.Or please contact the seller for the PDF instructions. Enjoy.Thank you！ Circular material: NXO-100 nickel zinc ferrite
Magnetic conductivity: 100
Overall dimensions: outer diameter 31 mm * height 7 mm * diameter 18 mm
Waterproof Case Size: 65mm * 60mm * 35mm
It production 1:1, 4:1, 9:1 the package using the the large size NXO-100 magnetic ring and 1 mm in diameter enameled wire, can work in the 1-30, can withstand high power of 100W-200W, such as Barron's ideal kit.
Note: After stranding, first put heat shrinkable sleeve, and then pass on the ring!
Enameled two leaving enough length, a good number of laps around a specified, will be evenly distributed on the magnetic coil, and then start welding enameled wire header and tail.
Center frequency: 15 MHZ
Application frequency: 1-30 MHZ
Types of antennas: 1: 1, 1: 4, 1: 9 three production program antenna optional, 1: 1 and 1: 9 is three enameled hinge, 1: 4 is two enameled wire.

1: 9 balun suitable long-term antenna , with manual or automatic antenna tuner tune-day use.

1: 4 balun applicable LOOP antenna to antenna and Winton (200-400Ω).

1: 1 balun antenna suitable for bipolar DP (inverted V n V), such as Yagi antenna (40-100Ω).

Kits include 1.5m wire, please fold to 3 fold, each fold 0.5m.

1: 1 winding method: three-wire twisted around 7 laps, stranding extent (about 3-4 times per centimeter)

1: 4 Winding method: two-wire twisted around 8 laps, stranding extent (about 3-4 times per centimeter)

1: 9 Winding method: three-wire twisted around 10 laps, stranding extent (about 3-4 times per centimeter)

Pack: 1 x balun DIY kit
The shell has punched holes.