Circuit Design


Circuit Design

44 links - and 1 categories

Antennas : Towers
  • ZL1BPU Rotator Controller - A very simple controller circuit, with fairly smart performance! The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box (see picture).
    [ Hits: 2768 | Votes: 3 | Rating: 4.00 ]
Antennas : Traps
  • Building Coaxial Traps - This page describes the design and construction materials W8WWV used to build a coaxial cable trap. A coaxial cable trap is a parallel resonant circuit that is usually inserted in an antenna element to enable multiband operation.
    [ Hits: 9901 | Votes: 5 | Rating: 8.20 ]
Manufacturers : Digital and Packet Radio
  • Communication Concepts, Inc. - Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV
    [ Hits: 2525 | Votes: 4 | Rating: 4.25 ]
Manufacturers : Parts and Surplus
  • Sunstone Circuits - Sunstone Circuits is your easiest source for quoting and ordering printed circuit boards online. We are three respected brands in one: PCBexpress quickturn boards, full-featured and design-checked boards, and PCB123 design software.
    [ Hits: 555 | Votes: 3 | Rating: 8.00 ]
Manufacturers : QRP Kits
  • Almost all digital electronics - This site is dedicated to electronics hobbyists, engineers, and Radio Amateurs interested in circuit design, homebrew and kit projects.
    [ Hits: 7372 | Votes: 3 | Rating: 9.00 ]
Operating Modes : Amateur Television
  • ATV De ik1hgi - Projects and design atv de ik1hgi Progetti, circuits, master, fotos in Italian
    [ Hits: 2026 | Votes: 55 | Rating: 8.69 ]
Publications : RF Foundamentals
  • RF Circuit design basics - Ebook by Akira Matsuzawa Tokyo Institute of Technology, Building blocks in RF system and basic performances, Device characteristics in RF application , Low noise amplifier design, Mixer design and Oscillator design
    [ Hits: 1022 | Votes: 1 | Rating: 1.00 ]
Software : Circuit Design
  • ExpressPCB - Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional.
    [ Hits: 2184 | Votes: 5 | Rating: 5.40 ]
  • DesignWorks - Commercia, productive and easy-to-use electronic circuit schematic drawing tool Featuring full hierarchical design, standard and custom netlist formats, extensive symbol libraries, scripting and customization features and much more.
    [ Hits: 3195 | Votes: 5 | Rating: 4.80 ]
  • Target 3001 PCB Design - Represents a new generation of CAD/CAE software for circuit design. Has been created to meet the requirements of professional design engineers.
    [ Hits: 906 | Votes: 1 | Rating: 2.00 ]
Software : Filter Design
  • WaveCon ProCap - Microwave/ RF Circuit Design and Analysis Software
    [ Hits: 1401 | Votes: 3 | Rating: 3.33 ]
Software : Utilities
  • PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters
    [ Hits: 1476 | Votes: 3 | Rating: 5.33 ]
  • HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.
    [ Hits: 1643 | Votes: 2 | Rating: 5.50 ]
Technical Reference : Amplifiers
  • TANKIT - A free design aid for vacuum tube linear RF power amplifiers. Determine plate circuit operating parameters and design pi or pi-L tanks quickly and easily.
    [ Hits: 1766 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Duplexers
  • A low cost UHF/VHF duplexer - Duplexers for dual band radio are usually high pass filter and low pass filter combined in the same box. This circuit is a design within a cost of US$10.
    [ Hits: 7954 | Votes: 14 | Rating: 5.50 ]
Technical Reference : Electronics
  • Delabs technologies Product Design and Engineering - Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites. There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.
    [ Hits: 654 | Votes: 2 | Rating: 7.00 ]
Technical Reference : Preamplifiers Technical Reference : Receivers : Regenerative Receiver Technical Reference : Repeater
  • A reliable VOX PTT circuit - This VOX PTT has been designed with Echolink in mind, but it will work equaly as well with repeaters
    [ Hits: 1757 | Votes: 2 | Rating: 5.50 ]
Technical Reference : Vector Network Analyzer
  • Build A Vector Network Analyzer - The VNA (vector network analyzer) is an essential tool for measuring the complex impedance of a circuit at a given frequency. Article on how to build a Impedance analyzer.
    [ Hits: 1397 | Votes: 1 | Rating: 1.00 ]

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