hf z match

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hf z match

20 links

Antennas : 20M : 20 meter Yagi antennas

  • 2-Element-Yagis for HF  pop - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
    [ Hits: 50021 | Votes: 146 | Rating: 7.08 ]
  • 3 Element Yagis Antennas for HF  pop - All these plans use the DK7ZB match
    [ Hits: 27591 | Votes: 68 | Rating: 4.97 ]
Antennas : 2M
  • VHF Yagi Antenna with Gamma Match - An interesting article on building a 4 elements yagi antenna with gamma match for the 2 meter band. This article include two videos demonstrating assembling procedure by KG0ZZ
    [ Hits: 2362 | Votes: 28 | Rating: 4.03 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • End Fed Half Wave Antenna for 6 / 40 Meter - 6m to 40m EndFed Half Wave Antenna project produces an inexpensive, multiband, end fed HF antenna matchbox that is quick and easy to setup and use.
    [ Hits: 3248 | Votes: 7 | Rating: 7.15 ]
Antennas : Homebrewing Techniques Antennas : J-Pole
  • Wireman-J-Poles for 2m-40m  updated  pop - J-Poles with Wireman-cables for the quarterwave matching section, working on VHF and HF bands
    [ Hits: 27077 | Votes: 252 | Rating: 8.37 ]
Antennas : Portable
  • 430 MHz portable yagi - UHF 3 element portable antenna with gamma match by ON6MU
    [ Hits: 6229 | Votes: 18 | Rating: 4.95 ]
Antennas : Theory
  • Stacking, Phasing and Matching Yagi Antennas - This is a synopsis of a talk presented to the Sydney VHF DX GROUP by VK2ZAB on how, when and why is convenient to build a Yagi antenna stack.
    [ Hits: 239 | Votes: 2 | Rating: 10 ]
Antennas : Tuners
  • 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: 5567 | Votes: 1 | Rating: 9 ]
  • A Z match tuner for HF bands - This small tuner by KC8AON has only 2 controls and will tune almost anything from 10 to 80
    [ Hits: 9797 | Votes: 5 | Rating: 4.6 ]
  • A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
    [ Hits: 15342 | Votes: 7 | Rating: 5.14 ]
  • Z-Match 100 and mini Z-Match - This is a one for all antenna tuner with wide range tuning on all the HF bands. The tuner is based on a G3WQW design. DIY project by PD7MAA
    [ Hits: 923 | Votes: 0 | Rating: 0 ]
  • QRP Antenna Tuner project - This is a project aboout compact and portable a QRP antenna tuner for use in the HF ham radio bands from 3-30 MHz, even if it's a compact and efficient project this small antenna tuner will not match any possible load.
    [ Hits: 283 | Votes: 0 | Rating: 0 ]
  • Z-Match Antenna Tuner - A 100-watt Compact Z-Match Antenna Tuner that can match just about anything on all HF bands, and only uses two control
    [ Hits: 2306 | Votes: 2 | Rating: 5.5 ]
  • 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: 1564 | Votes: 3 | Rating: 8 ]
  • Z-Match 100 and mini Z-Match - This is a antenna tuner with wide range tuning for antennas with a Z of + 50 Ohms on all the HF bands.
    [ Hits: 297 | Votes: 0 | Rating: 0 ]
Antennas : Vertical
  • 9 band vertical HF antenna by RW3XA  pop - Simple vertical radiator with matching box. No traps, no tuner required for this multiband antenna
    [ Hits: 38739 | Votes: 43 | Rating: 7.34 ]
Manufacturers : QRP Kits
  • HF Projects Kits - Provide service, quality home construction projects, travel antennas, masts and bases, hf and vhf amplifiers, low pass filters and z-match tuners
    [ Hits: 748 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : HF Amplifiers
  • 20 W HF Power Amplifier - A HF power amplifier with a push-pull of AFT09MS015N. The (small-signal) gain of the amplifier is around 26 dB in the lower HF band and goes down to about 24 dB on the higher end and still around 21 dB at 50 MHz. Its input matching is relatively good at the lower HF and degrades above 10 MHz.
    [ Hits: 169 | Votes: 0 | Rating: 0 ]
  • Building a Robust PL519 Tube HF Amplifier - his article explores the construction of a PL519 tube amplifier, utilizing Ulrich L. Rohde N1UL's insights. Focusing on a modest 25W continuous output, the design ensures robustness with forced air cooling. The detailed breakdown covers input matching, screen grid voltage generation, bias adjustment, anode power supply, heater power supply, and monitoring circuitry, providing valuable guidance for ham radio enthusiasts.
    [ Hits: 42 | Votes: 0 | Rating: 0 ]

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