schematics

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schematics

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Antennas : J-Pole
  • Multiband J-Pole Antenna by IZ0UPS - A multiband J-Pole antenna project that cover 144,220 and 430 MHz. The articles includes several pictures of this multi-band antenna, including handmade schematics and diagrams, project is mainly in Italian
    [ Hits: 411 | Votes: 4 | Rating: 7.25 ]
Antennas : Magnetic Loop
  • Short receiving loop antenna - This page is a project for a small loop antenna for reception of short wave broadcasting. It is in Portuguese and contains pictures and schematics to build your own antenna
    [ Hits: 119 | Votes: 1 | Rating: 10 ]
Antennas : Quadrifilar Helix
  • Making a Quadri Filar Helix antenna - Lot of pictures, drawings and schematics to build your own QFH Quadri Filar Helix antenna for 137 MHz satellite signals reception
    [ Hits: 451 | Votes: 6 | Rating: 3.83 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • FT-817 CAT interface - Homemade custom CAT interface cable for the Yaesu FT-817 this article include schematics diagram for the interface and some pictures
    [ Hits: 125 | Votes: 0 | Rating: 0 ]
Radio Equipment : VHF-UHF Handhelds : Baofeng UV-3R
  • Baofeng Mic Pin Out and Programming Cable Schematics - Speaker Microphone Pin Out, Dual PTT Switching,Programming Cables, SMA Antenna Connection, Extended Antenna Threads for Baofeng UV 3, UV 5 Series handheld transceivers
    [ Hits: 1070 | Votes: 8 | Rating: 8.75 ]
Radio Equipment : VHF-UHF Mobile : Yaesu FT-2800M
  • Yaesu FT-2800M Service Manual - Technical supplement with schematics of the Yaesu FT-2800M Yaesu Transceiver
    [ Hits: 940 | Votes: 8 | Rating: 7.51 ]
Software : Circuit Design
  • KiCad EDA - A Cross Platform and Open Source Electronics Design Automation Suite that runs on multiple operative systems. It allow to easily create even complex schematics and is suitable for professional use
    [ Hits: 87 | Votes: 0 | Rating: 0 ]
  • DesignSpark - RS Online - DesignSpark PCB is a free PCB design tool, by rs online, designed to help the user to convert their design into PCB faster with unique design options. DesignSpark is a powerful software engine that enables you to capture schematics and design PCB boards and layouts.
    [ Hits: 71 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : HF Amplifiers
  • A600 Power Amplifier Project - This is a power amplifier project for a RF 600W 1.8 MHz to 70 MHz linear amplifier including a Low Pass Filter. Projects includes schematics, pictures, PCD design, fans details, note on PA ferrite chokes and assembling instructions
    [ Hits: 100 | Votes: 0 | Rating: 0 ]
Technical Reference : Arduino
  • Arduino TNC - An Arduino TNC modem project based on KI4MCW source code with pictures and schematics
    [ Hits: 1149 | Votes: 2 | Rating: 10 ]
  • Arduino Vector Graphic Antenna Analyser - A vector graphic antenna analyzer project page by DC2WK demonstrating a project realized by DG7EAO includes, part list, schematics, and videos.
    [ Hits: 1302 | Votes: 4 | Rating: 7.75 ]
Technical Reference : Grounding
  • Home Made Artificial Ground Tuner - Home made Artificial Ground. This article contains a schematics of a custom artificial ground device that can be used to ground your station equipment if you live in an higher floor and cannot effort a proper dedicated ground connection. This Artificial Ground has been designed by Colyn Baillie-Searle GD4EIRP
    [ Hits: 584 | Votes: 0 | Rating: 0 ]
Technical Reference : Keyers
  • The K4ICY Minty Keyer - Build your own 3-IC Iambic Electronic Keyer. Here, you will find schematics and operation descriptions. Includes Dot/Dash Memory, Progressive Element Weighting
    [ Hits: 120 | Votes: 0 | Rating: 0 ]
Technical Reference : Mic wiring
  • Yaesu Pin connectors - Microphones, accessories and data packet pin connection schematics for Yaesu Radios with initial settings of yaesu Parametric EQ and HEIL PR Microphones
    [ Hits: 1799 | Votes: 7 | Rating: 6.72 ]
Technical Reference : Morse Code Oscillator Technical Reference : Programming Radio
  • A Universal Programming Cable for Radios - The programming cable is intended to be used with a computer RS-232 port for programming radios and other devices. The main goal of this cable schematics is inverting signal levels.
    [ Hits: 89 | Votes: 0 | Rating: 0 ]
Technical Reference : QRM Eliminator
  • XPhase QRM Eliminator - A project with several releases, of the Qkiller or QRM eliminator original project by DK9NL, in italian with schematics, picturs and movies
    [ Hits: 2022 | Votes: 1 | Rating: 10 ]
Technical Reference : Software Defined Radio
  • Tulip SDR - SDR Project for a compact amateur radio software defined radio trasceiver covering HF bands all mode. Website includes schematics, element PCB, pictures, movies, firmware and elements bom.
    [ Hits: 369 | Votes: 5 | Rating: 8 ]
Technical Reference : Spectrum Analyzers
  • 1 GHz RF Spectrum Analyzer - An homemade RF spectrum analyzer with full details on construction notes and planning. Includes block diagram, schematics and pictures
    [ Hits: 419 | Votes: 0 | Rating: 0 ]

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