tube tech

tube tech

Antennas : 20M

• VK5BR 20-40 Metre EH Antennas  ^pop - How to construct a very small but efficient Antenna with PVC Plumbing tube and discarded fruit cans. - Just the thing to fit in a small space such as the house attic
  [ Hits: 32229 | Votes: 20 | Rating: 7.24 ]

• W8JI Technical pages - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.
  [ Hits: 22140 | Votes: 37 | Rating: 8.3 ]

• How to straighten Microbore copper tube - Article and video showing a technique to straighten Microbore copper pipe that is useful in antenna construction. This technique has been implemented to build a Quadrifiliar Helix antenna.
  [ Hits: 326 | Votes: 0 | Rating: 0 ]

• Drive-On Antenna Mast For POTA - This antenna mast mount uses two Reese hitch extensions that are welded on to a piece of 2 inch square tube. It comes apart in two pieces. The vertical pipe on the left is welded on to a 2 inch piece of square tube that fits into the Reese hitch extension.
  [ Hits: 156 | Votes: 1 | Rating: 9 ]

• Rec.radio.amateur.boatanchors FAQ - Frequently Asked Questions - about vintage tube-type ham radio and communications equipment
  [ Hits: 933 | Votes: 0 | Rating: 0 ]
• Fun With Tubes - A noncommercial site operated by Max Robinson and dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques.
  [ Hits: 733 | Votes: 5 | Rating: 9.8 ]

• AmateurLogic.TV - Amateur radio videocast, your source for practical technology hacks, mods, and tips. Available on youtube or google video
  [ Hits: 996 | Votes: 12 | Rating: 9.07 ]

• YouTube - DL0DTV Digital ATV - Digital amateur tv and mobile transmitting around Friedrichshafen and Lake Konstanz to be seen in Hall A. Heinz DC6MR is presenting the news, novelties and technical aspects of DATV.
  [ Hits: 1096 | Votes: 0 | Rating: 0 ]

• Eimac - Innovators in Power Tube Technology
  [ Hits: 1049 | Votes: 1 | Rating: 10 ]

• 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: 51 | Votes: 1 | Rating: 1 ]

• Technical books online - Downloadable Amateur Radio Tube related technical books free of charge and ready to download.
  [ Hits: 2199 | Votes: 4 | Rating: 4.75 ]

• Tube Amplifier data and tech info - Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement.
  [ Hits: 4893 | Votes: 0 | Rating: 0 ]
• Amplifier Technology: Tube vs. Transistor - An interesting article that compares tube amplifiers versus transistor amplifier.
  [ Hits: 184 | Votes: 0 | Rating: 0 ]

• The G2DAF Linear Amplifier - Scans of original G2DAF articles on his HF linear amplifier using QY3-125 tube
  [ Hits: 1820 | Votes: 5 | Rating: 3 ]

• High Voltage Breakdown Tester - K8CU technical topics article about high voltage breakdown tester necessary for testing of any high voltage components like vacuum tubes, high voltage capacitors, vacuum relay
  [ Hits: 537 | Votes: 4 | Rating: 7.75 ]

• Tube FAQ - The Vacuum Tube FAQ by Henry Pasternack
  [ Hits: 557 | Votes: 0 | Rating: 0 ]
• Fun With Tubes - Dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques
  [ Hits: 1023 | Votes: 7 | Rating: 9.86 ]
• What is a Vacuum Tube - Read all the key details about Vacuum Tubes or Thermionic Valves that provided the foundations for today's electronics technology.
  [ Hits: 281 | Votes: 2 | Rating: 10 ]