electrical

electrical

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• The Guanella 1:4 balun - A cost effective current-mode 1:4 balun can be constructed from two lengths of coax, two ferrite rods, some electrical tape, cable ties, a length of PVC water-pipe and some connectors. This form of 1:4 current-mode balun is named after G. Guanella.
  [ Hits: 3636 | Votes: 1 | Rating: 10 ]

• K0RWU Multiband dipole 6-17 meters - This antenna consists of 4 resonate dipoles made from 12 insulated copper electrical wire. The dipoles are resonate on the following bands: 6 meters, 10 meters, 12 meters and 17 meters.
  [ Hits: 2208 | Votes: 1 | Rating: 10 ]
• Electrically-Short Dipole Antennas - Electrically shortened dipole antennas, article by Mark Connelly, WA1ION
  [ Hits: 874 | Votes: 1 | Rating: 3 ]

• Amateur Antenna Tripod - This project produces a sturdy tripod for small vertical antenna support using readily available electrical metal tubing (EMT) or conduit
  [ Hits: 978 | Votes: 3 | Rating: 1 ]

• The Quadrifilar Helix Antenna - Article about quadrifilar helix antennas, electrical and physical characteristics, difference between quadrifilar and conventional helix antenna
  [ Hits: 2430 | Votes: 5 | Rating: 7.2 ]

• Antenna Measurements - The electrical characteristics of an antenna that are of interest to obtain by direct measurement are the frequency at which the antenna is tuned, the gain and radiation pattern
  [ Hits: 946 | Votes: 3 | Rating: 4 ]
• Matching Waves, VSWR at work - When the radiation resistance (voltage to current ratio) of an antenna is the same value as the characteristic impedance of the transmission line (voltage to current ratio in the line), all of the electrical energy transmitted down the line is taken by the antenna and radiated into space in the form of a radio wave.
  [ Hits: 507 | Votes: 0 | Rating: 0 ]

• HamRadioEngineering.com - Amateur Radio site including Curcuit Diagrams, Antenna Construction, Radio Repairs, and serious fun. The Ham Radio Website for Ham Radio and Electrical Engineers, with mods, circuits to build, manuals and projects
  [ Hits: 313 | Votes: 0 | Rating: 0 ]

• TAK-tenna - Electrical half-wave dipoles HF antennas
  [ Hits: 1865 | Votes: 11 | Rating: 4.36 ]

• Amphenol - One of the largest manufacturers of interconnect products in the world. The Company designs, manufactures and markets electrical, electronic and fiber optic connectors, coaxial and flat-ribbon cable, and interconnect systems.
  [ Hits: 391 | Votes: 1 | Rating: 1 ]

• Deree Electrical - Specialized in manufacturing measurement instruments for more than 25 years. Clamp meter, digital multimeter, analog panel meter, thermometer, and led panel meter
  [ Hits: 486 | Votes: 0 | Rating: 0 ]

• BK Precision - Power supplies, electrical testers, battery analyzers, cable tester, rf generators, spectrum analyzers, Digital/Analog Oscilloscopes, Multimeters , attenuators, frequency counter
  [ Hits: 2182 | Votes: 0 | Rating: 0 ]

• ViPEC Network Analyzer - This program intended for electronic circuit analysis (mainly for Linux). ViPEC is a powerful tool for the analysis of high frequency, linear electrical networks.
  [ Hits: 1191 | Votes: 0 | Rating: 0 ]

• RF Toolbox - A MacOSX antenna design and electronics/electrical tool package. It is a multipourpose application that allow antenna design and comomn calculations
  [ Hits: 670 | Votes: 1 | Rating: 1 ]

• Electrical Calculators Online - Electrical and electronics online calculators by Calculatoredge.com
  [ Hits: 466 | Votes: 3 | Rating: 2 ]

• Coaxial Cable Specifications - A large table wit properties of popular coaxial cables
  [ Hits: 480 | Votes: 1 | Rating: 8 ]

• RF Cable Testing - The cable testing approaches discussed in this article gives an idea about the electrical characteristics of a coaxial cable. Velocity of Propagation, Characteristics Impedance, Return Loss Measurement and more
  [ Hits: 452 | Votes: 2 | Rating: 4 ]

• Cables - A basic article on audio cables, electrical wiring, cable lenght, data cables.
  [ Hits: 382 | Votes: 0 | Rating: 0 ]

• Difference Between Watts And Volt-Amperes - Both Watts and Volt-Amperes are units of measurement for electrical power. Learn what is the difference
  [ Hits: 495 | Votes: 3 | Rating: 1.33 ]

• How to measure current - An article on how to measure electrical current with a digital multimeter or analogue multimeter.
  [ Hits: 280 | Votes: 0 | Rating: 0 ]

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