power

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power

933 links - and 26 categories

Antennas : 160M
  • An 80-160 magnetic loop antenna - A classic diamond shape loop antenna that works fine on 80 and 160 meters band. This loop design allow a few watts power only and include part list and construction details.
    [ Hits: 5109 | Votes: 2 | Rating: 1.00 ]
Antennas : Collinear Antennas : Feed Lines : Choke
  • Chokes Explained - A "choke" is the common name given to an inductor that is used as a power supply filter element. They are typically gapped iron core units, similar in appearance to a small transformer, but with only two leads exiting the housing
    [ Hits: 966 | Votes: 1 | Rating: 1.00 ]
Antennas : Tuners
  • Z Match for High RF power - Based on VK5BR's Z-Match and designed for High RF Power covers 160 to 10 meters by VK6YSF
    [ Hits: 4628 | Votes: 5 | Rating: 7.80 ]
  • The "Woodpecker" Tuning aid - This little gadget is that it allows you to tune up at full peak output power, whilst limiting the average power to a fraction of the peak, thereby protecting the PA from meltdown
    [ Hits: 3872 | Votes: 2 | Rating: 7.50 ]
Antennas : Wire
  • D3 Antenna for Field Day - D3+ High Performance Antennas for Field Day. This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.
    [ Hits: 2277 | Votes: 7 | Rating: 4.86 ]
Contesting
  • Getting started in contest - A PowerPoint presentation by Bruce Draper, AA5B on how to get started in contesting, no matter if you are a big gun or a little pistol
    [ Hits: 662 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Towers and Accessories
  • Rajessh Eng. The Tower Company - Rajessh Engineers is a general Purpose designing, fabricating, and commissioning of communication towers, transmission towers, sub-station structures and their accessories. Rajessh Engineers located at IT Highway, Sholinganallur, Chennai, Tamil Nadu, India. Rajessh Engineers is an engineering steel fabricating company to meet the highly specialized needs of the communication, power industry.
    [ Hits: 420 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Alternative Power
  • Solar Panel Charger Project - A flexible, foldable, and durable solar product that produces enough power to charge your Battery Pack quickly
    [ Hits: 435 | Votes: 2 | Rating: 8.00 ]
Technical Reference : Amplifiers Technical Reference : Amplifiers : HF Amplifiers
  • COLLINS 30L-1 HF Linear Amplifier - The Collins 30L-1 Linear Amplifier has 1000 watts PEP power input on SSB and 1000 watts average on CW on all bands. It can be driven by the Collins 32S-3 Transmitter Collins KWM-2 or KWM-1 Transceiver, or most 70-100 watt exciters.
    [ Hits: 2921 | Votes: 1 | Rating: 8.00 ]
  • 80 m Hexfet power amplifier - 80m hexfet power amplifier by W7ZOI
    [ Hits: 3420 | Votes: 3 | Rating: 7.67 ]
Technical Reference : Amplifiers : VHF Amplifiers
  • Six-Meter Linear Amplifier - This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. Power output is 800W
    [ Hits: 1497 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Grounding
  • Lightning Safety & Power Quality Issues - LightningProtection: Lightning Safety & Power Quality Issues. A moderated professional forum by recognized experts, for accurate technical information on lightning, surge and grounding information.
    [ Hits: 721 | Votes: 2 | Rating: 10.00 ]
Technical Reference : Power Supply
  • Variable regulated power supply - 1.2-30V 1.5A variable regulated power supply
    [ Hits: 2406 | Votes: 3 | Rating: 5.00 ]
  • 15 A from a PC Power Supply - 13.8 V 15A from a PC power supply
    [ Hits: 12351 | Votes: 11 | Rating: 6.37 ]
  • The Smart Switch - The purpose of this project is to build a smart switch A smart swith is a swith that needs a short press and the power will be turned ON.
    [ Hits: 852 | Votes: 0 | Rating: 0.00 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • 40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer
    [ Hits: 8708 | Votes: 6 | Rating: 6.83 ]
Technical Reference : Radio Frequency Interference : BPL
  • Ham Radio and BPL - Broadband over Power Lines (BPL) and Amateur Radio by the Rochester Amateur radio club
    [ Hits: 230 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Sound Card Radio Interfacing
  • ICOM IC-E90 accessories - CI-V Interface and Power supply adapter for the IC-E90
    [ Hits: 598 | Votes: 2 | Rating: 5.50 ]
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