h y electronics

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h y electronics

346 links - and 1 categories

Antennas : Feed Lines
  • Antenna feed impedance - Article on antenna feed impedance and the importance of matching RF andtennas to feeders, including notes on Radiation resistance, loss resistance, and efficiency are also detailed.
    [ Hits: 430 | Votes: 1 | Rating: 10 ]
DX Resources : Contest : Resources
  • Ham Radio Contests and Contesting - An overview or summary of amateur radio / ham radio contests, contesting and a contest calendar of some of the more popular contests.
    [ Hits: 210 | Votes: 2 | Rating: 3.5 ]
Ham Radio : Blogs : Europe
  • radio.cc - Stefan's Radio Blog - A web site with many articles on ham radio homebrewing and electronics by HB9TWS
    [ Hits: 233 | Votes: 1 | Rating: 10 ]
Ham Radio : Clubs : Australia
  • ORARC - The Oxley Region Amateur Radio Club, ORARC provides the encouragement for those interested in the scientific development of radio communications and associated electronics.
    [ Hits: 219 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : Scouting Manufacturers : Antennas : HF Manufacturers : Filters
  • Anatech Electronics - Anatech Electronics manufactures RF filters for communication systems, Military and commercial, as well as RF filters for Wireless applications. Products include, Band pass filters, Duplexers, Low pass, high pass and bandstop filters. Additional products such as RF cable assembly also available.
    [ Hits: 281 | Votes: 1 | Rating: 10 ]
Operating Aids : Beginner's Guides : What Amateur Radio is Operating Aids : History
  • Morse Key History - An overview of the development of the Morse key for sending the Morse Code, from the first camelback keys, through straight keys and sideswiper keys to the semi automatic keyers including the Vibroplex to the modern electronic keyer.
    [ Hits: 194 | Votes: 0 | Rating: 0 ]
Shopping and Services : Electronic Components
  • Reichelt - Reichelt electronics is a world wide online shop for electronic parts and components
    [ Hits: 274 | Votes: 1 | Rating: 1 ]
  • Baitron Electronics Company Limited - Electronic Components Distributor - Online shop for electronic components, sensors, connectors, capacitors, resistors, passives, semiconductors from Baitron independent electronic components distributor.
    [ Hits: 243 | Votes: 0 | Rating: 0 ]
Shopping and Services : Regional : Europe : UK
  • JPR Electronics - JPR Electronics have been in the business of supplying electronic components and accessories to manufacturers, sub-contractors, designers, distributors, MOD, government departments and educational establishments
    [ Hits: 298 | Votes: 0 | Rating: 0 ]
Software : Circuit Design
  • DesignSpark PCB - DesignSpark PCB is the world's most accessible electronics design software, specially designed for Rapid Prototyping and turning your circuit ideas into testable boards faster. Easy to learn and easy to use, DesignSpark PCB is free and can you can download DesignSpark from this site.
    [ Hits: 526 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : VHF Amplifiers Technical Reference : Morse Code Oscillator
  • Code Practice Oscillator - This code practice oscillator project uses a 555 timer IC. Includes a Schematic Diagram of the morse code oscillator
    [ Hits: 611 | Votes: 0 | Rating: 0 ]
Technical Reference : Power Supply Technical Reference : Raspberry Pi
  • GNU Radio on Raspberry Pi 2 - Taking the Raspberry Pi 2 for a Test Drive with GNU Radio. Installing GNU Radio and receiving aircraft radar with a USB TV tuner
    [ Hits: 722 | Votes: 0 | Rating: 0 ]
Technical Reference : Receivers : Crystal radio
  • Crystal Radio Circuits - Collection of several Crystal Radio receiver circuits with schematics diagrams and pictures
    [ Hits: 636 | Votes: 1 | Rating: 10 ]
Technical Reference : Test Equipment : RF Sweep Generator
  • Sweep Generator with Marker - A simple simple sweep generator circuit design where the sawtooth is generated by the PNP transistor and a 555
    [ Hits: 1161 | Votes: 2 | Rating: 7.5 ]
Technical Reference : Vector Network Analyzer
  • VNA calibration kit - A calibration kit useful when you need known reference impedances to properly calibrate your vector network analyzers.
    [ Hits: 300 | Votes: 0 | Rating: 0 ]

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