home made atu

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home made atu

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Antennas : Baluns : 1 to 1 Balun

  • How to build a Coax Balun 1:4 and 1:1 - An air-wound balun made with coaxial cable can not become saturated because no powder iron or ferrite core is present. In this article author explains and compare coax baluns to ferrite baluns with comparison tables and detailed pictures
    [ Hits: 577 | Votes: 8 | Rating: 8.63 ]
Antennas : Microwave
  • Double BiQuad Antenna for 2.6 GHz - This is basic instructions for homemade 4G Antenna working on 2600 MHz UMTS featuring 13 14 dBi gain. This antenna is desigend to resonate on microwave frequencies in two segments from 2500 to 2570 MHz for Uplink, and from 2620 to 2690 MHz for Downlink.
    [ Hits: 83 | Votes: 0 | Rating: 0 ]
Antennas : Multiband
  • Multi Band Slinky Doublet Antenna - An home made doblet antenna made with two Slinkys that are aproximately five meters in length connected with a twin-feed connected to a balanced ATU
    [ Hits: 461 | Votes: 1 | Rating: 10 ]
Antennas : Stealth
  • Balcony Vertical HF Antenna - The simple balcony vertical HF antenna made with plastic fishing pole. Just along the pole I install copper wire in 7 meter length. Then was installed ATU. It was used home brew tuner. For each band was used one counterpoise in length 0.8 x lambda/4
    [ Hits: 236 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • Z-match ATU covering 160m - 10m - An home made Z-Match antenna tuner unit that cover all HF bands between 10 and 160 meters
    [ Hits: 1561 | Votes: 3 | Rating: 8 ]
  • A QRP Transmatch ATU - A home made Antenna Tuner made with a simple inductor and a few spare parts. Despite the title, the author succesfully tested this ATU with higher power inputs.
    [ Hits: 203 | Votes: 0 | Rating: 0 ]
Manufacturers : Accessories
  • QRPproject - QRP and Homebrew HAM Radio by DL2FI and DL7NIK QRP Made in Germany and more QRP Kits, qrp transceivers, accessories, mini keyers dealer for antennas, atu and more accessories
    [ Hits: 10691 | Votes: 11 | Rating: 6.64 ]
Operating Modes : Radio Direction Finding
  • 2 meter Fox Hunter - A home made yagi antenna featuring 6db forward gain and 22 Db front back
    [ Hits: 1393 | Votes: 6 | Rating: 6.33 ]
Radio Equipment : HF Transceivers : Yaesu FT-857
  • FT-857 Porta-Frame - An home made Man-pack designed to host and FT-857, LDF ATU amd a 7Ah battery
    [ Hits: 1018 | Votes: 6 | Rating: 8 ]
Technical Reference : Amplifiers : HF Amplifiers
  • Home Made 2.4 kW HF Amp - A Solid State HF Amplifier with 16 mrf150 featuring 2.4 kW 1.8 MHz - 30 MHz
    [ Hits: 1596 | Votes: 3 | Rating: 7.67 ]
  • 600W LDMOS Power Amplifier - A comeplete home made 600W LDMOS RF power amplifier. Settings can be made on a 7-inch touch screen, and on this screen you can see a lot of useful information during operation, such as output power, temperature, SWR, and so on. The power amplifier includes 2 MRF300 LDMOS FETs and several built-in sensors. The amplifier also contains several types of protection functions like too high current, too high swr, too high temperature, etc.
    [ Hits: 864 | Votes: 1 | Rating: 10 ]
Technical Reference : Antenna Switch Technical Reference : Arduino
  • HF Arduino VNA - An home made VNA made with Arduino Nano. This project features an LCD display 4x20 works from 1 MHz to 60MHz, can use bluetooth connection with Blue VNA android app.
    [ Hits: 195 | Votes: 1 | Rating: 10 ]

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