am antenna matching18 links
- 2 Stack Match Yagi Antenna
- Solves antenna matching problem with two phased antennas.
Stacked rotary beams are popular. However, connecting two 50 Ohm antennas together presents some problems.
[ Hits: 1846 | Votes: 6 | Rating: 2.17 ]
- 50MHz J-Pole Antenna
- Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
[ Hits: 32585 | Votes: 14 | Rating: 6.50 ]
- QRO baluns
- Construct your own heavy-duty baluns capable of matching your amp's output to various antennas.
[ Hits: 836 | Votes: 0 | Rating: 0.00 ]
- Multiband wire antennas and ATUs
- DC1YB experience on multiband wire antennas. In particular examine FD4 windom and G5RV antenna, considering noise levels and matching aspects.
Author reviews also the usage of Automatic antenna tuners in TS-50 TS-480 and GC-3000
[ Hits: 23622 | Votes: 22 | Rating: 4.37 ]
- Using Delta Matching on HF Beams
- Using delta match with HF antennas design
[ Hits: 5400 | Votes: 4 | Rating: 3.50 ]
- Home-brew Antennas
- Notes on homebrewing antennas by Chris G4CYA, from gamma matching, to phasing antennas, splitters and combiners, baluns and measuring techniques.
[ Hits: 2908 | Votes: 1 | Rating: 10.00 ]
- J-Pole theory
- The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
[ Hits: 29681 | Votes: 25 | Rating: 6.74 ]
- Broadband receiving antenna matching
- This article addresses the subject of obtaining the best signal transfer from an antenna to the
typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave
(500 – 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.
[ Hits: 5648 | Votes: 4 | Rating: 6.00 ]
- Matching Waves, VSWR at work
- When the radiation resistance (voltage to current ratio) of an antenna is the same value as the characteristic impedance of the transmission line (voltage to current ratio in the line), all of the electrical energy transmitted down the line is taken by the antenna and radiated into space in the form of a radio wave.
[ Hits: 414 | Votes: 0 | Rating: 0.00 ]
- The Clemens Match
- About the clemens match for beam antenna, as an alternative to common gamma matching techniques
[ Hits: 1103 | Votes: 0 | Rating: 0.00 ]
- Antena gamma match
- Gamma match antenna is an antenna 1/2 additional lambda with the impedance matching more flexible arrangements (var capacitor) by sliding through the gamma match/road.
[ Hits: 1888 | Votes: 8 | Rating: 4.13 ]
- How to make a gamma match
- how to make a gamma match for a antenna.
The Gamma match is the most used matching device used for yagi beams.
[ Hits: 677 | Votes: 5 | Rating: 4.80 ]
- A Multi-type "one-box" Antenna Tuner
- This antenna tuner is a multi-type matching system in the same box, which includes L - Pi and T networks.
[ Hits: 7141 | Votes: 3 | Rating: 9.67 ]
- A Portable Antenna Matching Unit
- A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
[ Hits: 14088 | Votes: 5 | Rating: 5.40 ]
- K0BG's ham radio mobile operator web site
- This site is dedicated to mobile amateur radio operators, old and new alike. Whether you are into HF, or VHF operation, I trust the information presented will increase your enjoyment of our great hobby.
With safety as a byword, there are articles on amplifiers, antennas, bonding, impedance matching, installing hardware, mobile equipment, noise and RFI abatement, wiring, and much more. I do my best to keep these articles up to date, and easy to follow.
[ Hits: 4516 | Votes: 9 | Rating: 8.56 ]
- TANT 136
- DOS program for calculating the performance of a T antenna. Gives loading coil info and matching plus ERP by Reg G4FGQ
[ Hits: 385 | Votes: 2 | Rating: 2.50 ]
- This program calculates impedance matching for tube and solid-state PA, LNA, antenna match-box, interstage impedance matching and all other impedance matching in electronic and telecommunication.
[ Hits: 1080 | Votes: 6 | Rating: 4.83 ]
- K1TTT Technical Reference
- Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.
[ Hits: 4945 | Votes: 5 | Rating: 5.60 ]
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