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trans match
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about trans match on dxzone.com
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Manufacturers : Antenna Tuners
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Antennas : 40M
- An antenna for 7MHz local contacts
- This article describes the design of an antenna for local contacts on 7MHz, including a simple and efficient matching system that presents a 50 ohm load to the transceiver.
[Hits: 1956 | Votes: 2 | Rate: 2.00] Antennas : Antenna Calculators
- RF Transmission Line Loss Calculator
- This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator.
It also gives an estimate of the mismatched loss if the mismatch is specified.
[Hits: 1686 | Votes: 8 | Rate: 5.12] Antennas : Baluns
- WB6ZQZ Triple Ratio Balun
- This balun matches resonant antennas from 9 to 75 ohms without a tuner and provides RF isolation to keep the current off the transceiver case
[Hits: 1556 | Votes: 2 | Rate: 5.00] - How to Make a Great 9:1 RX Transformer
- There are lots of good designs for matching transformers for receiving antennas. Make it yourself it's cheap and easy, and very high performance. This is the design used in the TRX-9 transformers.
[Hits: 2289 | Votes: 0 | Rate: 0.00] Antennas : Feed Lines
- Antenna Transmatch Tips
- Tips on tuning antennas using Antenna Tuning Units also called ATU. This article explains the functions and ills of tuners, along with some guide- lines for building an ATU.
[Hits: 2771 | Votes: 5 | Rate: 6.40] - The Ultimate transmatch
- Usage and benefits of transmatch. A pdf document from a QST article made available for novices and beginners by ARRL
[Hits: 11417 | Votes: 7 | Rate: 6.43] - The Coaxial Line
- Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
[Hits: 615 | Votes: 0 | Rate: 0.00] - RF Transmission Line Loss Calculator
- This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.
[Hits: 275 | Votes: 0 | Rate: 0.00] Antennas : Homebrewing Techniques
- From Transmitter to Antenna
- A collection of articles on the subject of impedance, impedance matching and high-frequency power transmission by G3YNH
[Hits: 817 | Votes: 0 | Rate: 0.00] Antennas : Portable
- Antenna system in a shopping trolley wally
- Multiband portable antenna system edited by Andy Foad G0FTD, consisting of an old cb antenna with it's 27Mhz matching coil, an antenna tuner, car battery and a transceiver
[Hits: 1575 | Votes: 2 | Rate: 10.00] Antennas : Receiving
- 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: 3570 | Votes: 3 | Rate: 7.67] Antennas : Theory
- 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: 282 | Votes: 0 | Rate: 0.00] - Single-stub matching
- Single-stub matching of transmission lines to loads
A worked example
[Hits: 307 | Votes: 5 | Rate: 4.00] - Radio - The Easy Way
- PDF article on Antenna of non resonant lenght, line attenuation, the transmatch, baluns by WB5IIR
[Hits: 132 | Votes: 0 | Rate: 0.00] Antennas : Theory : Impedance matching
- Gamma Match Article
- A working analysis of the gamma-match problem that gives usefull practical results. New light on the question of when it will and when it won't give a perfect match to the coaxial transmission line.
[Hits: 1184 | Votes: 0 | Rate: 0.00] Antennas : Tuners
- Homebrew Monster Xmatch
- Home made Xmatch by Jozef Hand-Boniakowski WB2MIC
[Hits: 1576 | Votes: 1 | Rate: 8.00] - W8ZR High-Power Antenna Tuner
- This homebrew legal-limit antenna tuner is based on the famous "Ultimate Transmatch" introduced by the late Lew McCoy, W1ICP. The Ultimate Transmatch was described in the "Beginner and Novice" section of the July 1970 QST (Page 24).
[Hits: 8269 | Votes: 6 | Rate: 8.00] - The EZ-Tuner
- The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.
[Hits: 4411 | Votes: 1 | Rate: 9.00] - Emtech ZM-2 Antenna Tuner Kit
- The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).
[Hits: 2533 | Votes: 2 | Rate: 1.00] - 10 m Aerial Matching Unit
- This simple matching unit will allow a 10 meters aerial to be used right across the 10m band without the need to physically adjust the elements, and offers a virtual 1:1 VSWR at 50 ohms impedance to the transmitter.
[Hits: 2897 | Votes: 2 | Rate: 4.50] Antennas : Vertical
- 6m Half wave vertical
- This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching.
[Hits: 3272 | Votes: 4 | Rate: 7.75] Manufacturers : QRP Kits Shopping and Services : Kits and Components
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