design

1027 links - and 6 categories

The HF Satellite Antenna for 10 and 15 meters - Here is an antenna for the nineties. It's strong, computer designed, and has lots of gain. It is a full size, four element beam on 10, and three elements on 15 meters
[ Hits: 2373 | Votes: 1 | Rating: 10 ]

T antenna with matching network for 160 m - 160m T Antenna broadcast design by Guglielmo Marconi has been built and is used by Jim NN4AA on 160m. Article by G7LRR
[ Hits: 3303 | Votes: 7 | Rating: 5 ]

A balun tutorial design - A balun tutorial discussing a number of aspects of the design and construction of baluns for the amateur radio design of your next electronic project.
[ Hits: 4748 | Votes: 6 | Rating: 5.33 ]
How to Make a Great 9:1 RX Transformer - There are lots of good designs for matching transformers for receiving antennas. Make it yourself it's cheap and easy, and very high performance. This is the design used in the TRX-9 transformers.
[ Hits: 3144 | Votes: 0 | Rating: 0 ]

K3NA stub design - Stub sketch notes. Attenuation coax stub schematics
[ Hits: 940 | Votes: 0 | Rating: 0 ]

Hentenna revisited - Developed by Japanese 6 Meter Hams in the 1970's can be designed and built for almost any band
[ Hits: 2125 | Votes: 0 | Rating: 0 ]

Designing Log Periodic Antennas - By Dr. Glen Dash, Ampyx LLC
[ Hits: 5070 | Votes: 5 | Rating: 7.2 ]

5/8 Wave Vertical Antenna Calculator ^pop - Design your own 5/8 wave vertical antenna. A simple jscript calculator at Antenna Elmer.
[ Hits: 27843 | Votes: 227 | Rating: 5.11 ]

REP Design - manufacture and sell unique, high quality, amateur radio products like HF and VHF antenna mounts
[ Hits: 1107 | Votes: 2 | Rating: 5.5 ]

Antenna Supermarket - Maker of the Eavesdropper antenna, designed specifically for the Short Wave Listener.
[ Hits: 1119 | Votes: 0 | Rating: 0 ]

Astrodyne - Dedicated to the design, manufacturing, technical support, and delivery of innovative and cost effective power solutions for worldwide applications. AC/DC switching power supplies and DC/DC converters.
[ Hits: 685 | Votes: 0 | Rating: 0 ]

Adur Communications - Specialist in the design and supply of Radio Communications Equipment and Systems. West Sussex England. Antennas, traps and baluns inline isolators, Outbacker Antennas, Mobile Mounts and Accessories
[ Hits: 1033 | Votes: 0 | Rating: 0 ]

Ipox5 voip remote link software - Ipox5 is a free version of the commercial remote base fixed link system. It allows radio to radio links with PC users access, and is secure (ie private use for taxi companies and remote offices to access remote base etc)and works over broadband. It is designed to maintain a link and work under all conditions. There are no restrictions for non-commercial use.
[ Hits: 1319 | Votes: 5 | Rating: 10 ]

Oscilloscope Software by Tektronix - Tektronix oscilloscope software helps automate and speed up the testing and evaluation of challenging system designs. Choose from over 30 software packages
[ Hits: 2538 | Votes: 3 | Rating: 6.67 ]

HamQSLer - A program to design and print QSL cards on your computer, as well as design QSL cards for printing by commercial printers. This program overcomes many of the limitations that are present in other QSL design and print programs and methods. Works on Windows 7 to 10.
[ Hits: 10684 | Votes: 22 | Rating: 6.06 ]

600W 50Mhz power amplifier - G3WZT design for a bi-polar 600W Linear Power Amplifier for the 6M band.
[ Hits: 1724 | Votes: 0 | Rating: 0 ]
100W 50Mhz power amplifier - G3WZT design for a single stage bi-polar 100-150W Linear Power Amplifier for the 6M band.
[ Hits: 2731 | Votes: 5 | Rating: 3.6 ]

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: 352 | Votes: 0 | Rating: 0 ]
Rookey Kit - Encode/decode On-Off audio pulses for remote control of projects
[ Hits: 335 | Votes: 1 | Rating: 2 ]

SDR-908 Portable SDR - The SDR-908 is a software defined radio designed specifically for portable use, without the bother of being tethered to a PC or soundcard for the modulation/demodulation processing performed in this kind of radio.
[ Hits: 1244 | Votes: 0 | Rating: 0 ]