circuit design

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circuit design

36 links - and 1 categories

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: 9961 | Votes: 5 | Rating: 8.2 ]
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: 2561 | 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, PCBpro.com full-featured and design-checked boards, and PCB123 design software.
    [ Hits: 580 | Votes: 3 | Rating: 8 ]
Manufacturers : Publications
  • 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: 1050 | Votes: 1 | Rating: 1 ]
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: 7406 | Votes: 3 | Rating: 9 ]
Operating Modes : Amateur Television
  • ATV De ik1hgi - Projects and design atv de ik1hgi Progetti, circuits, master, fotos in Italian
    [ Hits: 2045 | Votes: 55 | Rating: 8.69 ]
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: 2209 | Votes: 5 | Rating: 5.4 ]
  • 5Spice - Analog circuit simulation program for the typical circuit designer. Commercial version for windows
    [ Hits: 5289 | Votes: 8 | Rating: 7.5 ]
Software : Filter Design
  • WaveCon ProCap - Microwave/ RF Circuit Design and Analysis Software
    [ Hits: 1428 | Votes: 3 | Rating: 3.33 ]
Software : Utilities
  • 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: 1661 | Votes: 2 | Rating: 5.5 ]
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: 1796 | Votes: 1 | Rating: 10 ]
Technical Reference : Audio 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: 8019 | Votes: 14 | Rating: 5.5 ]
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: 678 | Votes: 2 | Rating: 7 ]
Technical Reference : Homebrew
  • KI5YN QLF Filter - A microprocessor based interface designed to go between a standard Morse code key and a radio transmitter. The circuit receives a signal from the key, processes it, and re-transmits it to the radio.
    [ Hits: 276 | Votes: 0 | Rating: 0 ]
Technical Reference : Preamplifiers Technical Reference : Radio Programming Cable
  • CAT programming interface for ICOM rigs - This simple and cost effective interface circuit is designed for use with any ICOM amateur radio equipment with CIV interface
    [ Hits: 1132 | Votes: 0 | Rating: 0 ]
Technical Reference : Receivers : Regenerative Receiver
  • Regenerative Radio Receiver Circuit - Useful and well thought out regenerative receiver design
    [ Hits: 1891 | Votes: 1 | Rating: 1 ]
  • Regenerative circuit - Wikipedia page about regenerative circuits in designing receivers.
    [ Hits: 1423 | Votes: 0 | Rating: 0 ]
  • A Bipolar Regenerative Receiver - Contrary to what some radio experimenters think, a bipolar regenerative design can be made to work efficiently
    [ Hits: 3354 | Votes: 1 | Rating: 9 ]

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