10/20/40 Mini End fed antenna kit, including 100 Watt 1:49 I mpedance transformer.

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10/20/40 Mini End fed antenna kit, including 100 Watt 1:49 impedance transformer, DIY kit

Very compact enclosure: 64 x 58 x 35 mm

+/- 100 Watt PEP

Click here for a construction manual of the Mini End Fed antenna

This kit contains all parts to make a 10/20/40 Mini end fed antenna.

Total length approx 12 meters, including coil.

See the complete parts list and details about the antenna at the bottom of the page in the product description.

Categories: , SKU: MINI-ENDFED-10-20-40

Description

10/20/40 Mini End fed antenna kit, including 100 Watt 1:49 impedance transformer, DIY kit

An advantage of an end fed antenna is of course the simplicity, especially for field work this is a huge advantage. Put a telescopic mast against a pole, hook the antenna to the top and slide out. You are on air within 5 minutes! An additional advantage is that the 10/20/40 mini end fed antenna can easily be vertically polarized. This makes the antenna convenient for (DX) long distance connections. The 10/20/40 Mini End fed Antenna Kit has a total length of approx. 11.9 meters. From the feed point first 10.1 meter antenna wire then a coil of about 35 uH and then another +/- 2 meters of wire.

The feed point of the 10/20/40 Mini end fed Antenna kit is a broadband impedance transformer. This means that the end fed wire antenna with a very high impedance +/-2500 Ohms is transformed to an impedance of 50 Ohms.

Click here for a construction manual of the Mini End Fed antenna

This Mini End Fed antenna kit includes experimental antenna wire. This wire consists of 1.0 mm2 braided copper wire with a UV resistant black insulator. The total diameter is about 2 mm.

This kit includes:

Antenna:

  • 12.5 Meter Experimental antenna wire
  • 19 mm PVC Pipe for coil
  • 5.5 Meter 0.75 mm winding wire for the coil
  • 25 mm heat shrink sleeve for coil insulation
  • 1x Stainless Steel Cable Clamp
  • 1x End Isolator
  • 1x Cable lug 5mm
  • 1x Heat shrink sleeve for cable lug

1:49 Mini Impedance transformer:

  • IP65 enclosure 64x58x35 mm
  • Ferrite toroid Amidon FT140-43
  • Winding Wire 1.00 mm
  • 100 pF Capacitor 1kV
  • BNC Chassis Round
  • M5 Cable Shoe
  • Stainless Steel M5 Bolt 25mm
  • Stainless steel M5 Wing nut
  • Stainless Steel M5 nut 2x
  • Stainless Steel M5 washer 2x
  • Stainless steel M5 Spring washer 2x
  • Stainless steel M5 tooth washer 2x

Tips:

  • As much as possible, Hang the antenna free from interfering elements
  • This antenna can also be used as a sloper.
  • In case of common mode issues, use a common mode choke. Do not place this choke directly at the feed point of the antenna.

Additional information

Antenna Wire

Experimenteer Litze, Koper/Kevlar Litze, Koper/RVS Litze

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