rf tubes

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rf tubes

18 links - and 1 categories

Antennas : Indoor

  • Shortened antennas - Drawings of shortened antenna for indoor usage, using short pvc tubes for 2 , 20 and 40 MHz by f1rfm
    [ Hits: 6845 | Votes: 3 | Rating: 4 ]
Antennas : Magnetic Loop
  • Soft copper Tube Loops - Air conditioning soft copper tubes are perfect for loop construction. If you want to try a loop you must have an air variable capacitor or a vacuum variable capacitor. Article by PY1AHD
    [ Hits: 822 | Votes: 0 | Rating: 0 ]
Manufacturers : Amplifiers
  • 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 : Cable and Connectors
  • Max-Gain Systems, Inc. - Fiberglass for the antenna builder, Antenna Mart quads, Bandmaster quads, transmitting components, vacuum capacitors and relays, tower accessories, gin poles, remote RF coax switches, rotating side mounts, quad spreaders, quad parts, bristol wrenches, doorknob capacitors, transmitting electron tubes, and much more!
    [ Hits: 7427 | Votes: 9 | Rating: 6.72 ]
Manufacturers : Filters
  • HD Communications - Rf Connectors,RF Amplifiers,RF Filters,HF cable and accesories. Tower hardware valves and tubes
    [ Hits: 2262 | Votes: 9 | Rating: 8.44 ]
Operating Aids : History
  • Evolution of Car Radios: From Marconi to Motorola - his historical account traces the development of car radios from Marconi's mobile wireless telegraph station on a steam engine vehicle in 1901 to Motorola's iconic car radio models in the 1930s. It highlights key milestones such as Alfred Grebe's radio-telephone experiments on Long Island and the introduction of Marconi-Phone 8 radios by the Daimler Company in England. The narrative explores technological advancements, including the transition from TRF to Super-Heterodyne circuitry and the integration of push-button controls. The evolution from vacuum tubes to transistors and compact discs is also documented, showcasing the continuous innovation in automotive entertainment systems.
    [ Hits: 46 | Votes: 1 | Rating: 1 ]
Radio Equipment : HF Amplifiers : Ameritron AL-811
  • Ameritron AL-811H tube selection - This article examines the performance of the Ameritron AL-811H amplifier with the supplied 811A tubes and with 572B tubes, and details a procedure for replacement of existing tubes.
    [ Hits: 1363 | Votes: 3 | Rating: 9.67 ]
Shopping and Services : Cables and Connectors
  • RF Parts - Antennas, books, rf parts, tubes,connectors and cables and many accessories at RF parts.
    [ Hits: 5686 | Votes: 12 | Rating: 5.92 ]
Shopping and Services : Kits and Components
  • Radiodan - W7RF - BIRD RF power measuring, new and used, HENRY RF power amplifiers (used HF amps), TOHTSU coaxial relays, SAMLEX power supplies, RFI chokes reduce interference, Parts parts, tubes, Used amplifiers, radios, antennas and accessories, Los Angeles, CA.
    [ Hits: 2068 | Votes: 3 | Rating: 10 ]
Shopping and Services : RF Tubes
  • QRO-Parts.com - Svetlana tubes also Russian capacitors,vacuum and coaxial relay, for RF Power Linear Amplifier builders. Amateur-Radio, Broadcast. Full Online Catalog.
    [ Hits: 1211 | Votes: 99 | Rating: 8.88 ]
Technical Reference : Amplifiers
  • HL1INF RF Amplifiers - Circuits, pictures and data about toroids, tubes and home made power amplifiers
    [ Hits: 2428 | Votes: 1 | Rating: 10 ]
  • How to select a tube HF amplifier - Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY
    [ Hits: 713 | Votes: 1 | Rating: 10 ]
Technical Reference : Amplifiers : HF Amplifiers
  • HF Power Amplifier by CT1FMS - An RF power Amplifier for HF bands with 3 GI-7B tubes by CT1FMS
    [ Hits: 1661 | Votes: 4 | Rating: 6.25 ]
  • 3-500Z Amplifier Project - This article loaded with nice pictures and schematics, describes a 160-10 meter linear amplifier that uses a pair of 3-500Z triode power tubes. It was designed and constructed by William Moneysmith, W4NFR. The amplifier features fast warm up and 1500-Watt RF output with 100-Watts of drive.
    [ Hits: 1081 | Votes: 4 | Rating: 9.5 ]
  • Home Made 813 Amp - An home made RF Amplifier project that allows near full power output from 813 tubes
    [ Hits: 1443 | Votes: 2 | Rating: 6 ]
Technical Reference : Amplifiers : RF Amplifiers Theory
  • Power Gride Tubes - Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.
    [ Hits: 1001 | Votes: 2 | Rating: 6.5 ]
Technical Reference : Amplifiers : VHF Amplifiers
  • 6m Amplifier with 2x Gi7b - A 50 MHz stable and small power amplifier, suitable for portable and domestic use. This RF Power amplifier delivers 900W with used pair of tubes primary installed into amplifier.
    [ Hits: 122 | Votes: 0 | Rating: 0 ]
Technical Reference : Vacuum tube
  • Arcing or Gassy 572B Tube - Common problems of the 572B tubes often used in many RF Power Amplifiers
    [ Hits: 446 | Votes: 0 | Rating: 0 ]

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