build ham amp

build ham amp

Antennas : Portable

• Portable HF Antenna for the field day - This article describes a project of asymmetrical hatted vertical dipole, a portable antenna that can be used for field day operations, sota, campings or even for fixed installations. This is a freestanding 20-10m antenna that is really easy to build, easy to tune and relatively easy to carry.
  [ Hits: 1644 | Votes: 2 | Rating: 7.5 ]

• 10 Common Tower Building Mistakes - The 10 most common tower building mistakes written by Steve Morris, K7LXC
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• Tower building mistakes - The 10 most common tower building mistakes by K7LXC
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• 5 Band Pipe Vertical Antenna - A simple, cheap and easy to build 26 feet long vertical antenna that works DX on 20 - 10 meters including WARC Bands, it is designed for portability for field days, camping, or permanent installation, cost, and to achieve at least 1/2 wavelength on the WARC bands.
  [ Hits: 554 | Votes: 5 | Rating: 6.2 ]

• 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: 71 | Votes: 0 | Rating: 0 ]

• Push pull 2m amplifier - This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen.
  [ Hits: 11990 | Votes: 20 | Rating: 5.51 ]
• DL5DBM 1KW amplifier for 144 Mhz - Pictures and circuit diagramm to build this power amplifier for 2 meters
  [ Hits: 3389 | Votes: 2 | Rating: 10 ]

• Band Decoder Arduino - Arduino/ATtiny Based (Ham Radio) ICOM CIV to Yaesu BCD Band Decoder. Build a ICOM CIV to Yaesu BCD Band to automatically band switch the Yaesu Quadra Amplifier.
  [ Hits: 62 | Votes: 0 | Rating: 0 ]