ac power

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ac power

294 links - and 4 categories

Antennas : Magnetic Loop
  • Home made High Power Magnetic Loop Antennas - Magnetic Loop Antennas for The Radio Operator with Limited Space, a two part series of articles on how to construct a magnetic loop antenna, including directions on selecting high voltage tuning capacitor
    [ Hits: 896 | Votes: 0 | Rating: 0 ]
DX Resources : DX Maps
  • Dx-cluster map  updated - This is a Live DX Cluster map powered by google maps diplays a map of ham radio QSOs or contacts based on qra locator and dx-cluster spots information
    [ Hits: 2790 | Votes: 12 | Rating: 8.72 ]
Ham Radio : Disabilities
  • Accessible Digipan - Blind and visually impaired ham radio operators can now operate PSK31 in a powerful and accessible application
    [ Hits: 331 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : HF : Active antennas
  • Broadband Power Technology - Active Receiving Antennas, designed for reception of shortwave, mediumwave and longwave signals and VHF/UHF signals
    [ Hits: 337 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Amplifiers : Ameritron AL-80B
  • AL80 Ameritron History - An article on popular AL80 HF power amplifier manufactured by Ameritron since 1980
    [ Hits: 220 | Votes: 1 | Rating: 10 ]
Radio Equipment : HF Transceivers : Yaesu FT-100 Shopping and Services : Electronic Components
  • Circuit Specialists - Sell quality electronic components, equipment, and accessories. Test equipment, RF Modules, Power supplies, PCB, Stepper motors.
    [ Hits: 331 | Votes: 0 | Rating: 0 ]
Software : Android
  • Robot36 SSTV Decoder for Android - Receive and decode SSTV amateur radio SSTV signals with this small and powerfull SSTV decoder app for Android devices. Requires access to microphone.
    [ Hits: 260 | Votes: 1 | Rating: 10 ]
Software : Software Defined Radio
  • SDR-Radio.com - SDR-Radio.com is a Windows console for Software Defined Radio (SDR) receivers and transceivers. Designed for the commercial, government, amateur radio and short-wave listener communities, the software provides a powerful interface for all SDR users
    [ Hits: 856 | Votes: 2 | Rating: 10 ]
Technical Reference : APRS
  • The WhereAVR - The WhereAVR is a small, lightweight, low-power, and low-cost APRS tracker with a full compliment of analog and digital I/O, as well as the ability to decode ax.25 packets. This allows for the reception of remote commands without the need for a real TNC.
    [ Hits: 258 | Votes: 0 | Rating: 0 ]
Technical Reference : Alternative Power
  • Solar Powered Caravan Shack - Pictures and information about a solar powered station located in an old caravan in the Australian Bush by VK5SW
    [ Hits: 431 | Votes: 6 | Rating: 8 ]
  • Solar Power for Your Ham Station - Solar Power for Your Ham Station, It is Easier Than You Think QST article April 96 by KE0OG via Repeater-Builider.com
    [ Hits: 690 | Votes: 1 | Rating: 10 ]
Technical Reference : Amplifiers : HF Amplifiers Technical Reference : Amplifiers : RF Amplifiers Theory
  • Impact of SWR on Power Amplifiers - Article appeared on 10/05 issue of QEX about the impact of load SWR on the efficiency of Power Amplifiers, PDF File by K9LA
    [ Hits: 412 | Votes: 0 | Rating: 0 ]
  • How to Design an RF Power Amplifier - This video will provide a foundation for understanding how power amplifier circuits work. If you are new to High Frequency Power Amplifier Circuit Design, this is the place to start.
    [ Hits: 673 | Votes: 1 | Rating: 10 ]
Technical Reference : Filters
  • A home-built low-pass filter for 4m - This unit uses four capacitors, only two of which are variables, and a single tapped coil. It is built in a die-cast box, and has been tested up to 80W input power on 70MHz by G4CJZ
    [ Hits: 588 | Votes: 0 | Rating: 0 ]
Technical Reference : Power Supply
  • How to convert Server Power Supplies - The practice of converting computer server power supplies to make a very high quality high power supply at low cost is attractive. It doesn't normally require any modification to the supply but the hard part is figuring out how to trick them into turning on.
    [ Hits: 818 | Votes: 0 | Rating: 0 ]
Technical Reference : Radio Frequency Interference
  • Locating Power Line Noise - RF interference from power lines is caused by arcing as high voltage electricity bridges a gap to a lower ground potential on the power pole. Corroded or loose connections, cracked insulators almost all of the hardware on a power pole can be the source of arcing.
    [ Hits: 426 | Votes: 0 | Rating: 0 ]
Technical Reference : Raspberry Pi Technical Reference : SWR Meters
  • Bird 4314 Maintenance - Bird 4314 RF Power Meter Battery Replacement
    [ Hits: 260 | Votes: 3 | Rating: 5.67 ]

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