high power

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high power

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Antennas : Baluns : 4 to 1 balun
  • How To Make A Homebrew 4:1 Balun  pop - I built a homebrew 75 meter Double Extended Zepp Antenna, And I needed a 4:1 Balun So I decided to Homebrew the Balun also. Here is how I did it!
    [ Hits: 87318 | Votes: 101 | Rating: 6.27 ]
Antennas : Tuners
  • W8ZR High-Power Antenna Tuner - This homebrew legal-limit antenna tuner is based on the famous "Ultimate Transmatch" introduced by the late Lew McCoy, W1ICP. The Ultimate Transmatch was described in the "Beginner and Novice" section of the July 1970 QST (Page 24).
    [ Hits: 11495 | Votes: 10 | Rating: 8.1 ]
Manufacturers : Accessories
  • Eurofrequence - Accessories, like universal audiofilter, Mixer interface for sound card, highvoltage powersupply, accessories for 706, hamradio vacation,Roger Beep, Microphons, Headsets and more. Please look
    [ Hits: 2975 | Votes: 13 | Rating: 7.8 ]
Manufacturers : Amplifiers
  • Empower RF Systems - We offer a large selection of standard and custom High Power RF and Microwave amplifiers for broadband, general communication, matched band, and personal communication markets.
    [ Hits: 3076 | Votes: 3 | Rating: 8.33 ]
  • RFAC Solutions - RF Connectors Cable Assembly Attenuators Filters High Power VHF Amplifiers, Adapters MMCX MCX SMA SMB SMC BNC TNC N from RFAC Solutions
    [ Hits: 1349 | Votes: 3 | Rating: 9 ]
Manufacturers : Antennas : HF : Active antennas
  • Ameco - Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
    [ Hits: 2223 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : Military
  • MARS Antennas - MARS, Israel's Antenna and RF System manufacturer, flat antennas for cellular, military broadband, multiband MF high power antenna
    [ Hits: 2777 | Votes: 6 | Rating: 7 ]
Manufacturers : Filters
  • MicroSignals - MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.
    [ Hits: 790 | Votes: 1 | Rating: 7 ]
Manufacturers : Power Supply
  • Watts Unlimited - Engineering Solutions for Unique Problems. Manufacturer of high Voltage, high Current, high Power Power Supply
    [ Hits: 1688 | Votes: 3 | Rating: 7 ]
Operating Modes : Stealth Amateur Radio
  • HF Antennas for restricted space - Arrl document about invisible antennas and indoor systems. It is important to consider that few compromise antennas are capable of delivering the performance one can expect from the full-size variety. But the patient and skillful operator can often do as well as some fellows who are equipped with high power and full-size antennas. The "cliff-dweller" may not be able to "bore a hole" in the band as often, and as easily, but DX can be worked successfully when band conditions are suitable.
    [ Hits: 9187 | Votes: 7 | Rating: 5.28 ]
Technical Reference : Amplifiers : HF Amplifiers
  • K0GKD Solid State amplifier - High Power Solid State 600 Watts Output Motorola MRF 150 FETs
    [ Hits: 4881 | Votes: 15 | Rating: 7.34 ]
Technical Reference : Amplifiers : RF Amplifiers Theory
  • RF and Microwate Power Amplifiers - RF and Microwave Power Amplifier and Transmitter Technologies, amplifierlinearity, efficiency and available RF power devices.
    [ Hits: 1437 | Votes: 1 | Rating: 10 ]
Technical Reference : Amplifiers : VHF Amplifiers Technical Reference : Homebrew
  • K8CU Technical Topics - Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.
    [ Hits: 3898 | Votes: 11 | Rating: 7.64 ]
  • Z Match for Higher Power - Single coil Z match witch handles the power of the linear amplifier
    [ Hits: 3162 | Votes: 13 | Rating: 7.93 ]
Technical Reference : Power Supply
  • A secure power supply - Dchematics and photos of a secure power supply (short-cut, Rf feedback, high voltage etc.) by iz7ath
    [ Hits: 7287 | Votes: 3 | Rating: 8.67 ]
  • Hight voltage power supply - High Voltage Supply for GS 35B Amplifier
    [ Hits: 2229 | Votes: 6 | Rating: 9.33 ]
Technical Reference : Radio Frequency Interference : BPL
  • Broadband news : Canadian BPL - Hydro-Québec joins efforts to provide high-speed internet service via power-lines
    [ Hits: 461 | Votes: 0 | Rating: 0 ]
  • New Developments with PLC in Japan - The Japan Amateur Radio League (JARL) is cautiously watching new developments concerning the commercialization of Power Line Communications (PLC), while continuing to carry out joint experiments with a high speed power line communication promoters' alliance to reduce potential interference to radio communications.
    [ Hits: 370 | Votes: 1 | Rating: 1 ]
  • Are you ready for BPL - Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service
    [ Hits: 671 | Votes: 0 | Rating: 0 ]

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