rf design

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rf design

193 links - and 2 categories

Antennas : 6M
  • 50 MHz Antennas by DF9CY (4 & 6 Element) - Two well performing 50 MHz antennas designed with W7EL EZNEC along to many other antenna projects and related articles
    [ Hits: 22070 | Votes: 37 | Rating: 4.39 ]
Antennas : 6M : 6 meter Yagi Antennas
  • Optimised Six-Metre Yagi - Design for a 5 element beam on a 23 foot boom with an unusual combination of performance characteristics
    [ Hits: 2899 | Votes: 0 | Rating: 0 ]
Antennas : Theory
  • Antennas : theory and designs - Thierry LOMBRY, ON4SKY, develops in several long articles all you need to know about antennas, their design and performance, for both amateurs and SWL
    [ Hits: 9213 | Votes: 11 | Rating: 3.27 ]
Antennas : Vertical
  • Antenna for deed restricted lots  pop - An effective 10-20m DX antenna for deed restricted lots. The article by K7ZB introduces a simple 10-20m DX antenna suitable for deed-restricted lots. The antenna, a 15' vertical design, facilitated contacts with over 200 countries worldwide. Its design employs a telescopic aluminum tube and radial wires for multi-band operation, requiring an external antenna tuner for optimal performance. The mounting scheme and construction details ensure effectiveness and ease of use.
    [ Hits: 56248 | Votes: 13 | Rating: 6.46 ]
Internet and Radio : Directories
  • Everything RF - everything RF is a web portal for RF & Microwave Engineers providing News, Design Articles, Information on new products and a component search engine which helps you find the RF & Microwave Components that are right for you.
    [ Hits: 517 | Votes: 5 | Rating: 10 ]
Internet and Radio : Tutorials
  • Scanner feed tutorial - This tutorial is designed to help the average person get his scanner feed on the net pdf file
    [ Hits: 582 | Votes: 1 | Rating: 9 ]
Manufacturers : Accessories
  • bhi Ltd - Design & manufacture of Noise Eliminating speakers and modules for effective removal of unwanted noise & interference from SSB, HF, VHF, FM & UHF using new DSP technology
    [ Hits: 829 | Votes: 5 | Rating: 5.2 ]
Manufacturers : Antenna Analyzers
  • Comet Antennas - NGC is now distributor for COMET and MALDOL brand antenna products designed, manufactured in Japan. Distributor of DAIWA brand RF SWR/power meters and switching power supplies, antennas, test equipment, antenna analyzers and more
    [ Hits: 21939 | Votes: 35 | Rating: 5.56 ]
Manufacturers : Antennas : Land Mobile
  • Laird Technologies - Design and manufacture antennas for mobile devices, wireless data including WiMAX, WiFi, and WISP (Wireless Internet), two-way radio and RFID (Radio Frequency Identification).
    [ Hits: 228 | Votes: 0 | Rating: 0 ]
Manufacturers : Microphones
  • INRAD International Radio - Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers, for Yaesu Icom Kenwood and Collins radios
    [ Hits: 2150 | Votes: 5 | Rating: 8 ]
Manufacturers : Test Equipment : Power Meter
  • Bird Electronic - Design and manufacture of components, instruments and systems for RF power measurement.
    [ Hits: 4108 | Votes: 8 | Rating: 7.13 ]
Shopping and Services : Cables and Connectors
  • Davis RF - DAVIS RF Co. has been in the business of supplying the staples of wire antennas for over 30 years. DAVIS RF Co. supply all coax cables, all connectors, ladder line, rotar control cable, insulators, and we have the largest selection of wire for wire antennas. DAVIS RF Co. is the designer and trade mark holder, and primary source for Bury-Flex Tm low loss coax cable. PolyStealth Tm high strength PE insulated antenna wire, and Flex-Weave Tm wire
    [ Hits: 2474 | Votes: 11 | Rating: 7.64 ]
Software : Antenna analysis
  • ERP Calculator Plus - ERP Calculator is an Amateur Radio software utility designed to perform a side-by-side comparison of two Ham Radio antenna systems. ERP Calculator comes pre-programmed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. ERP Calculator displays values of ERP, Antenna Power Gain, Antenna Feed point Power, Antenna System Gain in dB, Antenna Gain in dBd, SWR Attenuation in dB, SWR Power Attenuation, Coax Loss in dB, and Coax Power Loss
    [ Hits: 2999 | Votes: 9 | Rating: 5.11 ]
Software : Contesting
  • QARTest - Free Windows contest logging software, initially designed for the ARI 40-80 contest supports all major world wide contests. QARtest supports dx cluster, radio control interface and many new features. Can be used for most popular amateur radio contests. Works from Windows XP to Windows 10.
    [ Hits: 557 | Votes: 6 | Rating: 8.83 ]
Software : Logging
  • DX 4 Win - DX4WIN is an easy to use, yet powerful logging program for every ham. It has been designed for the the serious and the casual DXer.
    [ Hits: 23427 | Votes: 30 | Rating: 6.78 ]
Software : Propagation
  • ACE-HF Propagation Prediction Software - ACE HF Pro, ACE HF Mobile are Radio Frequency (RF) propagation analysis tools designed for military applications. This version allows the user to analyze the entire HF spectrum using a single fixed transmitter location and multiply receive locations. Commercial version.
    [ Hits: 10041 | Votes: 33 | Rating: 6.22 ]
Software : Spectrum analyzers
  • MDS Spectrum Analyzer - Software for radiomonitoring, radio spectrum analysis. MDS is designed for the real time radio spectrum analysis. It performs real time activity analysis, signal search and collects spectrum data for post time analysis.
    [ Hits: 3328 | Votes: 8 | Rating: 6.88 ]
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: 1774 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Components : Toroids
  • Ferrite information - Ferrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppression Design Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression by CWS ByteMark
    [ Hits: 13694 | Votes: 4 | Rating: 5 ]
Technical Reference : Filters
  • KI5YN QLF Filter - The QLF filter is a microprocessor based interface designed to go between a standard Morse code key and a radio transmitter
    [ Hits: 1939 | Votes: 3 | Rating: 4.67 ]

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