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62 links about tube 7 on dxzone.com

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Antennas : 160M
  • A Practical Antenna for 160 Metres  pop - 140 feet of insulated wire, the first half of which (70 feet) is space wound on an insulated tube.
    [ Hits: 84381 | Votes: 35 | Rating: 6.75 ]
Antennas : 40M Antennas : Magnetic Loop
  • GM3MXN Magnetic Loop Antenna - This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference
    [ Hits: 1583 | Votes: 0 | Rating: 0.00 ]
Antennas : Mobile
  • An automatically tuned 7-30MHz mobile antenna - This is a base-loaded vertical antenna that mounts on the car's roof. The loading coil is designed as a variable inductor, with a three-legged chariot that travels up and down inside the coil, with grooved brass wheels running on the coil turns, and driven by a slotted rotor tube.
    [ Hits: 3425 | Votes: 2 | Rating: 1.00 ]
Antique Radios : Buying and selling
  • Michelle Troutman Electronics - Sams Manuals and Manufacturers' Service Manuals Sams from the early 1950s through late 1970s; various service manuals for brand name equipment from the 1950s to 1991. NOS Vacuum Tubes A price list of over 1100 tubes.
    [ Hits: 538 | Votes: 0 | Rating: 0.00 ]
Antique Radios : Collections
  • O'Neill's Electronic Museum - Rare electronics including radios,telegraphs, test equipment, 1897 Braun cathode ray tube,vacuum tube museum, crookes tubes, geissler tubes, much more
    [ Hits: 2136 | Votes: 8 | Rating: 8.25 ]
  • Multi-Elmac - THE MULTI-ELMAC AF-67 Trans-Citer is a ten-tube variable frequency or crystal controlled seven band transmitter.
    [ Hits: 948 | Votes: 4 | Rating: 7.75 ]
Antique Radios : Schematics
  • Canadian Antique Radios Schematics Diagrams Service - We specialize in canadian antique radio schematics for vintage tube radios made in canada. we carry lots of factory electronic circuit schematic diagrams as well as all rcc / radio college of canada service data 1920's - 70's.
    [ Hits: 1198 | Votes: 3 | Rating: 5.67 ]
Internet and Radio : Video
  • Convert PC Power Supplies for use by Ham Radio - PC power supply conversion for ham radio use. Slide show overview showing how convert PC Power supplies to ham radio use presented at the August 2007 FSARC meeting.
    [ Hits: 2783 | Votes: 4 | Rating: 7.75 ]
  • Yaesu FT-847 Video - A yaesu ft-847 on 80 metre band (3 mhz) a video provided at YouTube
    [ Hits: 1894 | Votes: 3 | Rating: 5.33 ]
  • YouTube : AO-51 Videos - Videos of AO-51 operations. Randy K7AGE has produced a number of practical and useful videos including good info on a minimal antenna setup for AO-51 reception.
    [ Hits: 1150 | Votes: 2 | Rating: 6.50 ]
Manufacturers : Amplifiers
  • HA1YA Mechanics & Electronics Inc. - Specializes in manufacture of middle and high power RF decks and high quality linear amplifiers with metall ceramic tubes for HF, 6m, 2m and 70 cm bands. Transverters, power supplies and control units
    [ Hits: 4709 | Votes: 13 | Rating: 7.54 ]
  • 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: 2629 | Votes: 1 | Rating: 7.00 ]
Manufacturers : Tubes & Semiconductors
  • International Components - International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.
    [ Hits: 1446 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Transceivers : Ten-Tec Jupiter 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: 1680 | Votes: 3 | Rating: 10.00 ]
  • ATSI Tubes for Broadcast and Transmitting - Matched Power Broadcast tubes 813,81A,572B,4-400A,3-500,12BY7. etc. Great prices fast delivery.
    [ Hits: 1142 | Votes: 1 | Rating: 4.00 ]
Shopping and Services : RF Tubes
  • Antique Electronic Supply - Antique Electronic Supply has a complete line of vacuum tubes. We feature Svetlana vacuum tubes for amateur radio, broadcaasting and audio applications. We have over 700,000 new old stock tubes to choose from. We also have a complete line of transformers, featuring Hammond and One Electron. Capacitors, resistors, parts, books, etc. Most orders shipped within 24 hours. Major credit cards accpeted. E-mail for free catalog!
    [ Hits: 11015 | Votes: 30 | Rating: 4.54 ]
  • Tubes for amplifiers - Sales tubes for amplifiers like GS-23B,GS-31B,GS-35B,GU-34B,GU-43B,GU-74B,GU-84B. Include links to aplifier homebrew projects
    [ Hits: 1923 | Votes: 6 | Rating: 1.17 ]
  • BEIJING ELJVT - Sell the China made electron tubes over a long period of time, the vacuum tubes/electron valves/Power tubes/Audio Tubes/Thyratrons/Magnetrons and accessories, the tube sockets, the vacuum capacitors, high voltage ceramic capacitors, aluminum electrolytic capacitor.
    [ Hits: 508 | Votes: 2 | Rating: 5.50 ]
Technical Reference : Amplifiers
  • GI7B GI7BT Tubes - GI-7B and GI7BT Tubes for HAM Radio use (HF-VHF-UHF),linear amplifier builders
    [ Hits: 1264 | Votes: 5 | Rating: 6.60 ]
Technical Reference : Amplifiers : HF Amplifiers
  • Ameritron AL-1200 to gs35b Conversion - The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.
    [ Hits: 2158 | Votes: 2 | Rating: 4.00 ]
Technical Reference : Amplifiers : VHF Amplifiers
  • Push pull 2m amplifier - This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen.
    [ Hits: 11063 | Votes: 20 | Rating: 5.51 ]
Technical Reference : Homebrew
  • HA8ET Technical & Homebrew pages Priority listing - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links
    [ Hits: 16617 | Votes: 97 | Rating: 8.62 ]
Technical Reference : Vacuum tube
  • Vacuum tube Basics - Here's a tale of early '70s vacuum tubes, mainly from the viewpoint of amateur radio.
    [ Hits: 669 | Votes: 1 | Rating: 10.00 ]
  Result Page:  1 2 3 [next]
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