high end fed
5 links
Antennas : Antenna Calculators
- Corned Fed Delta Loop
- Author found a ratio between the lengths of the sides of the Delta Loop that give reasonably low SWR into a 50 ohm coaxial cable almost independent of the high above ground and other surroundings. This ratio also gives good results no matter orientation. Includes an online delta loop antenna calculator.
[ Hits: 167 | Votes: 0 | Rating: 0 ]
- 20m Half-Wave End Fed
updated
- A Half wave antenna has a high impedance feed point. This can be matched using a 1/4 wave stub matching section and converts the 40m vertical into an L-shaped 20m J-Pole antenna. The 300 ohm feeder used for this purpose must be kept away from the ground.
[ Hits: 1841 | Votes: 7 | Rating: 8 ]
- End Fed Half-Wave Antennas
- An interesting article on end fed half-wave wire antennas with a couple of original experiments.
Author illustrate the role of the QRP matchbox, and a 40/20 meter antenna with a center stub making it a large bandwidth antenna for 40 and 20. Includes also an 80/40 end fed with the typical coil to make it available on 80 merts band.
[ Hits: 287 | Votes: 2 | Rating: 10 ]
- End-Fed Half-Wave Antenna for 20m 40m 80m
- How to Design and Build a Field Expedient End-Fed Half-Wave Antenna for 20m, 40m and 80m. This Shorty 80m EFHW comprises a 49:1 autotransformer (to match the very high impedance at the end of a half-wave wire), a half-wavelength wire for 40m (also a quarter-wavelength for 80m), a loading coil and a short tail wire. The coil and the short tail wire (about 6 feet) make up the other quarter wave on 80m.
[ Hits: 139 | Votes: 1 | Rating: 4 ]
- WIFI Remote FUCHS ATU for EndFed Antenna
- The Fuchs Antenna tuner with a resonant circuit as a coupler. The Fuch Antenna Tuner is providing a high-efficiency compare to a 49:1 transformer using ferrite . The Fuchs tuner is a resonating L/C circuit to step-up the impedance from 50 Ohm to the required 3k. The ATU is able to perform automatic tuning with the addition of a tiny Aduino Nano and a SWR bridge.
[ Hits: 114 | Votes: 0 | Rating: 0 ]
Not satisfied ? Lookup Google Custom Search Engine for high end fed
Search high end fed with: Yahoo!, DuckDuckGo
, Bing
Search
Related Searches
You can try similar terms
high gain high gain 2 m high impedance high pass high performance sdr high point nc high point, nc high school high speed high speed cw high voltage vhf high gain high gain hf antenna high pass filter high power 4:1 balun
Get our links, Everywhere!
Follow us on Social Networks
|
RSS Feeds |
Sign up for daily Newsletter
Service provided by Google FeedBurner
Free for your Site
Add our gadgets to your site
Daily Top 10 links