voltage

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voltage

78 links

Antennas : 160M Antennas : Baluns
  • A better antenna-tuner balun  pop - Which balun to use? The hybrid balun promises advantages over both voltage and current baluns by ZS1AN
    [ Hits: 22221 | Votes: 11 | Rating: 5.83 ]
  • Balun Construction  updated - The design of Ruthroff broadband voltage transformers
    [ Hits: 1443 | Votes: 6 | Rating: 7.17 ]
Antennas : Feed Lines
  • SWR: Maximum allowable VSWR - VSWR (voltage-standing-wave-ratio) represents the degree with which an antenna is "matched" to the system impedance. Most modern antennas do not require any tuning for optimum performance. VSWR is one of the easiest parameters to measure and VSWR meters are becoming very popular antenna installation tools
    [ Hits: 1132 | Votes: 3 | Rating: 3.33 ]
  • Magic T combiners splitters - The magic "T" combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads. It is not a magic bullet.
    [ Hits: 1133 | Votes: 2 | Rating: 8.50 ]
Antique Radios : Parts and Tubes
  • JustRadios, Capacitors for Antique Radios - "Sells high voltage film and electrolytic capacitors for antique tube radios. Carries 630 volt metal-film, metallized and mylar film capacitors as well as electrolytics. Also has ""capacitor"" tips for antique radio restorations."
    [ Hits: 5069 | Votes: 15 | Rating: 8.00 ]
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: 2710 | Votes: 13 | Rating: 7.80 ]
Manufacturers : Cable and Connectors
  • Kings Electronics - Manufacture a wide array of RF interconnect products for operation from 0 to 18 GHz, ranging in size from subminiature connectors to large, high voltage types
    [ Hits: 336 | Votes: 2 | Rating: 5.50 ]
Manufacturers : Lightning and Surge Protection
  • American Technical Resources - Heavy Duty Surge Suppressors, telecommunications protection, industrial twist lock enabled equipment all voltage, phase and frequency ranges
    [ Hits: 772 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Power Supply
  • Watts Unlimited - Engineering Solutions for Unique Problems. Manufacturer of high Voltage, high Current, high Power Power Supply
    [ Hits: 1557 | Votes: 3 | Rating: 7.00 ]
Manufacturers : Tubes & Semiconductors
  • BURLE Industries - Power tubes, high voltage power supplies
    [ Hits: 567 | Votes: 2 | Rating: 5.50 ]
Shopping and Services : RF Tubes
  • 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: 609 | Votes: 2 | Rating: 5.50 ]
Software : Antenna analysis
  • XLZIZL by AC6LA - XLZIZL is an Excel application that analyzes the components of an antenna feed system, including transmission lines, stubs, baluns, and tuners. Calculations include impedance transforms, SWR and reflection coefficient, power loss, voltage and current standing waves, stress on tuner components, network attenuation (S21), and return loss Analysis results are available in worksheet format and in five different chart formats, including Smith charts.
    [ Hits: 1386 | Votes: 2 | Rating: 1.50 ]
Technical Reference : Electronics Technical Reference : Grounding
  • Why grounding - Overvoltage protection, Voltage stabilization, Grounding in wiring, Ground wire resistance
    [ Hits: 1605 | Votes: 1 | Rating: 1.00 ]
Technical Reference : Homebrew
  • A cheap S Meter - A low-level voltage meter and could even be used for audio purposes.
    [ Hits: 2435 | Votes: 2 | Rating: 7.50 ]
Technical Reference : Power Supply Technical Reference : Radio Frequency Interference : BPL
  • Amperion Inc BPL tests - Amperion Inc. issued an announcement that it has successfully tested its broadband powerline (BPL) technology over high-voltage, 69,000-volt transmission lines.
    [ Hits: 353 | Votes: 3 | Rating: 3.67 ]

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