ac power

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ac power

294 links - and 4 categories

Antennas : 6M
  • 50MHz Power Splitters - Splitting an antenna between two receivers or in use as the phasing harness in stacked antennas where there is a need to equally split the power from the transmitter between two antennas
    [ Hits: 3242 | Votes: 6 | Rating: 8 ]
Antennas : Feed Lines
  • Measuring Cable Loss - Improving measurement accuracy when low-power analyzers are used.
    [ Hits: 856 | Votes: 2 | Rating: 7.5 ]
Antennas : Portable
  • DCTL Portable Antenna - A Low -Power, Distributed Capacitance Twisted Loop , indoor portable HF antenna by Monty Northrup, N5ESE
    [ Hits: 2158 | Votes: 2 | Rating: 10 ]
Antennas : Tuners
  • Tenna Dipper Kit - The "Tenna Dipper" is a low power antenna analyzer and ATU tuning aid. With this handy accessory, you can determine the 50 Ohm resonance frequency of antennas or you can adjust your antenna tuner for a 50 Ohm match without generating QRM
    [ Hits: 4036 | Votes: 4 | Rating: 3.25 ]
Antennas : VHF UHF
  • Stacking Yagis - Stacking principles, with homebrew coax- and power-splitters by DK7ZB
    [ Hits: 784 | Votes: 1 | Rating: 2 ]
Manufacturers : Amplifiers
  • Bear Electronics Amplifiers - Manufacturer of big power amplifiers
    [ Hits: 8668 | Votes: 13 | Rating: 7.16 ]
  • Discovery Power Amplifiers - The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world's leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms
    [ Hits: 3036 | Votes: 2 | Rating: 4 ]
Manufacturers : Antennas : VHF UHF Microwave : Yagi Antennas
  • RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.
    [ Hits: 1615 | Votes: 5 | Rating: 9 ]
Manufacturers : Transceivers
  • Low Power Radio and Broadcast Company - Manufacturers of high performance low power am transmitter products: sstran amt3000, bc-100, and the mw-250. for home and professional use.
    [ Hits: 2729 | Votes: 1 | Rating: 5 ]
Propagation : MUF Indicators
  • Near-Real-Time F2-Layer Critical Frequency Map - This map can be used to determine the frequencies that will always be returned to the Earth. Transmitted frequencies higher than the indicated contours (which are given in MHz) may penetrate the ionosphere, resulting in lost power to space. The map shows the radio auroral zones as green bands near the northern and southern poles.
    [ Hits: 5270 | Votes: 24 | Rating: 4.84 ]
Shopping and Services : Cables and Connectors
  • Rocky Mountain Radio - Provide RF connectors, adaptors, antennas, accessories, mounts, coax, West Mountain Radio Products and Anderson Power Products available.
    [ Hits: 386 | Votes: 1 | Rating: 10 ]
Software : Antenna analysis
  • TLDetails - Transmission Line Details. This utility program shows the impedance and SWR at both ends of a transmission line and the details of power loss in the line. It includes characteristics for over 40 built-in line types. You can modify these values to see how small changes affect the results or to specify custom lines. All program inputs may be changed directly or you can use spin buttons to make the changes. If you are using a moderately fast computer you can hold down a spinner and "watch the movie" on the charts as the results are recomputed. By AC6LA
    [ Hits: 1205 | Votes: 4 | Rating: 9.25 ]
Software : Circuit Design
  • JavaScript Electronic Notebook, K7MEM - It consists of a group of JavaScript driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas
    [ Hits: 3222 | Votes: 16 | Rating: 7.62 ]
Software : Logging
  • Aether - Aether is an ham radio logging for the Mac. Aether gives hams logging software that is as powerful, easy to use, and good looking as the operating system it runs on. Designed from the ground-up using Apple's Cocoa, Aether supports the latest Mac OS X technologies, and provides the experience that Mac users expect.
    [ Hits: 3054 | Votes: 10 | Rating: 8 ]
Technical Reference : Amplifiers : HF Amplifiers Technical Reference : Amplifiers : RF Amplifiers Theory
  • Vacuum Tube Amps - How the tube converts DC to RF Power
    [ Hits: 1446 | Votes: 1 | Rating: 10 ]
Technical Reference : Amplifiers : UHF Amplifiers Technical Reference : Amplifiers : VHF Amplifiers Technical Reference : Beacon keyers Technical Reference : QRP Projects
  • External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio
    [ Hits: 2593 | Votes: 2 | Rating: 5.5 ]

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