Search Results for "rf antenna"318 links
- Analysis of HF Monopoles
- Analysis of several monopole antennas, the differences between a perfect and an imperfect ground and effects using a ground plane made of radials or counterpoises.
[ Hits: 702 | Votes: 3 | Rating: 3.00 ]
- 5 elements OWA Yagi for 20 meters band
- Computer Optimized using the very latest techniques. Particle Swarm Optimisation ensures the best balance of bandwidth and performance and you have it in this antenna. An easy build antenna for all
[ Hits: 861 | Votes: 0 | Rating: 0.00 ]
- 2 Meter Slim Jim antenna from Ordinary Wires
- Slim Jim (J Integrated Match J-Pole) is probably the most easiest and powerful 2 meter antenna to build provided you have the exact measurement and material to build it.
[ Hits: 3694 | Votes: 3 | Rating: 4.67 ]
- 80 m shortened Dipole
- DL2HRF shortened dipole antenna for 80 meters band
[ Hits: 2565 | Votes: 5 | Rating: 6.60 ]
- Helically Loaded Magnetic Loop Antenna
- A considerably shortened Magnetic Loop antenna with performance of a single conductor text book magnetic loop.
[ Hits: 174 | Votes: 0 | Rating: 0.00 ]
- Baluns on Log Periodic Antennas
- Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.
[ Hits: 1800 | Votes: 4 | Rating: 3.50 ]
- Delta loops for 15 20 and 30 m
- Full Wave Delta Loops for 15, 20 and 30m with perimiter dipole, quiet, low TOA, mono-band - a perfect stealth omnidirectional solution
[ Hits: 3316 | Votes: 3 | Rating: 1.00 ]
- Horn Antenna
- About basics of the horn antenna used for many rf microwave antenna applications.
[ Hits: 491 | Votes: 0 | Rating: 0.00 ]
- Stealth Antennas: Indoor antennas
- 8Mb pdf file containing a presentation made to the KC DX Club on stealth antennas. In search of maximal performance indoor antennas by AC0C Jeff Blaine
[ Hits: 865 | Votes: 1 | Rating: 1.00 ]
- 88' Zig Zag Double Extended Zepp
- A Double Zepp indoor antenna based on Cebik's reccomendations and design. Can cover HF bands, fed with 450 ohm open wire feeder terminating in an automatic antenna tuner, can perform incredible results.
[ Hits: 1391 | Votes: 6 | Rating: 7.50 ]
- J-Pole Antennas
- Article about J-Pole antennas, a vertical RF antenna that does not require radials
[ Hits: 824 | Votes: 1 | Rating: 2.00 ]
- Loop antenna
- basics of the loop antenna, a form of RF antenna design that can be used in a varety of applications
[ Hits: 855 | Votes: 0 | Rating: 0.00 ]
- Loop Antenna
- About the basics of the loop antenna, a form of RF antenna design that can be used in a varety of applications.
[ Hits: 753 | Votes: 0 | Rating: 0.00 ]
- Ferrite rod antennas
- Ferrite rod antenna or aerial, a form of RF antenna that is widely used in RFID and transistor radio applications.
[ Hits: 738 | Votes: 1 | Rating: 2.00 ]
- How good an antenna is ?
- How good is an antenna?
Four figures describe how good an antenna is compared to the required performance, swr directivity gain and bandwidth
[ Hits: 148 | Votes: 0 | Rating: 0.00 ]
- Wind Loading of Antennas
- Calculation of the wind surface and the wind load of antennas
[ Hits: 844 | Votes: 8 | Rating: 2.62 ]
- Antenna performance table by VE7BQH
- Performance chart of VHF antennas in a stacked array
[ Hits: 601 | Votes: 2 | Rating: 10.00 ]
- 4 element LFA Yagi for 28MHz
- The lastest PSO (Particle Swarm Optimisation) techniques where used to produce this fantastic 10m antenna. Excellent performance from a short boom. USA/UK and European tube sizes.
[ Hits: 1737 | Votes: 8 | Rating: 6.38 ]
- Pro Antennas
- Specialist UK manufacturer of high performance compact HF antennas
[ Hits: 202 | Votes: 0 | Rating: 0.00 ]
- Manufacturer of innovative and high performance antenna solutions, yagi antennas for HF VHF and UHF
[ Hits: 706 | Votes: 4 | Rating: 10.00 ]
- Manufacturers of professional Civil & Defense UHF/VHF Base Sation Antennas,Installation Hardware, Power Splitters and Distributors of EUPEN rf Cable & Connector products.
[ Hits: 261 | Votes: 0 | Rating: 0.00 ]
- Hilberling GmbH based in Rendsburg Germany manufacturer of HF VHF Transceivers, rf power amplifiers, power combines, RF generators, power supplies, Antenna Diplexers and Triplexers
[ Hits: 1333 | Votes: 1 | Rating: 10.00 ]
- Amplifiers - Care and Feeding
- Antenna and Power considerations, ALC Keying interface, Battery info, Keying interfaces and more
[ Hits: 217 | Votes: 0 | Rating: 0.00 ]
- Tuning Your Antenna - Testing SWR
- Testing SWR on your antenna and getting the best performance from your investment by L.D. Blake, VE3VDC
[ Hits: 877 | Votes: 1 | Rating: 4.00 ]
- R.F. Current Meter
- This R.F. current meter was developed to assist in measuring line currents in balance feed lines as used in the All Band HF Antenna.
[ Hits: 245 | Votes: 1 | Rating: 1.00 ]