electro switch

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electro switch

15 links

Antennas : Tuners

  • Switched inductor L match tuner - A 10 to 80 meters band qrp antenna tuner by KC8AON, based on Steve Weber, KD1JV "ALT or Altoids L Tuner"
    [ Hits: 6466 | Votes: 9 | Rating: 7 ]
Manufacturers : Accessories
  • Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,
    [ Hits: 3674 | Votes: 3 | Rating: 5.33 ]
Manufacturers : Amplifiers
  • SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
    [ Hits: 8402 | Votes: 8 | Rating: 6.12 ]
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 ]
  • Electronika International Inc - Electronika International Inc, Cleveland, OHIO manufacturers wide range of Coaxial Cable Assembly, Coaxial Connectors & Adapters, Power Dividers, Attenuators, Coaxial Switches, Amplifiers, Fiber Optic cords, Bias TEE, Isolator & Circulator and other products
    [ Hits: 644 | Votes: 1 | Rating: 10 ]
Manufacturers : Electronic Components
  • BG Micro - All kind of electronic components, Hobby Electronics and Parts, motors, Sun power solar panels, switches, rechargeable batteries, RF Coils, Coils and Chokes
    [ Hits: 727 | Votes: 0 | Rating: 0 ]
Manufacturers : Parts and Surplus
  • ElectroSwitch - Leading rotary switch manufacturer, Electroswitch Electronic Products offers a complete, vertically integrated, manufacturing and assembly facility dedicated to producing rotary switches
    [ Hits: 610 | Votes: 0 | Rating: 0 ]
Operating Modes : Morse code
  • Iambic Keying - Iambic Keying, Debunking the Myth by Marshall G. Emm, N1FN. A keying system controls transmitter activation, ranging from basic switches to electronic keyers that generate Morse code based on paddle input. Iambic keyers, introduced in the late 1950s, respond to simultaneous paddle closures with alternating dots and dashes. Despite touted efficiency, actual benefits are modest, offering about a 5% improvement in keystrokes, diminishing at higher speeds. Iambic keying's practical value is limited and may restrict sending speeds.
    [ Hits: 625 | Votes: 0 | Rating: 0 ]
Shopping and Services : Accessories
  • Electronics USA - Manufacturer of led digital clocks, digital timers, countdown clocks, electronic kits, audio switches, binary clock, telegraph keys, and cool gadgets.
    [ Hits: 1417 | Votes: 0 | Rating: 0 ]
Shopping and Services : Electronic Components
  • Electronic Goldmine - Electronic components dealer, semiconductors, switches, leds, motors, solar energy, ferrites, toroids, capacitors, batteries, jacks and plugs, microphones, meters, power supplies, speakers, transformers, wire and more
    [ Hits: 1945 | Votes: 2 | Rating: 9.5 ]
  • All American - Distributor of electronic components, ull range of semiconductors (active components), including relays, circuit breakers, transistors, diodes, memory devices, microprocessors, microcontrollers, and other integrated cuircuits, as well as passive components, such as capacitors, resistors, inductors, and electromechanical products, including cable, switches, connectors, filters, and sockets.
    [ Hits: 1112 | Votes: 0 | Rating: 0 ]
  • DERF electronics corporation - Distributor of electronic components like diodes Transistors Microcontrollers Microprocessors connectors, switches, relays, integrated circuits, eproms, leds
    [ Hits: 569 | Votes: 2 | Rating: 10 ]
  • SellWeb - Electronic components online shop, resistors capacitors cables diodes transistors ic sockets relays microcontrollers PCB prototyping switches potentiometers
    [ Hits: 407 | Votes: 3 | Rating: 3.33 ]
Technical Reference : Antenna Switch
  • Smart SO2R Antenna Switcher: A DIY Solution - In pursuit of enhanced station efficiency, the author describes crafting an Arduino-based smart antenna switcher for an SO2R setup. Faced with manual antenna switching challenges during contests, the project utilizes a Logos Electromechanical 4x4 Driver Shield and a Power Screw shield for seamless functionality. Despite its raw appearance, the automatic switcher proves indispensable in contest scenarios, prompting considerations for future improvements and standardization of station control protocols.
    [ Hits: 152 | Votes: 0 | Rating: 0 ]
Technical Reference : Power Meter
  • Notes on Bird Electronics Equipment - Information on equipment manufactured by the Bird Electronic Corporation, wattmeters, RF loads, switches by I0JX
    [ Hits: 1237 | Votes: 0 | Rating: 0 ]

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