cables
118 links - and 4 categories
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Antennas : CobWeb- Cobweb Antenna
- A home made cobweb antenna project made with easy to find parts 2-14 AWG speaker cables which are cut to 1/2 wavelength for each band and junction box with 4:1 Balun
[ Hits: 261 | Votes: 4 | Rating: 10 ]
- High Performance common-mode chokes
- May 2015 Radcom Article on common-mode chokes that can be used for control cables, phone lines, but mostly on typical HF antenna systems. This article explain what common mode chokes does, why you meay need one, properties common mode chokes should have, how to build and measure performances.
[ Hits: 681 | Votes: 1 | Rating: 10 ]
- RF Choke with Bifilar Windings
- This article presents an RF Choke featuring an 11-bifilar turn winding of #14 house wire on a Fair-rite FT240-31 toroid. The choke is enclosed in a 3D-printed case from Thingiverse, though this may pose thermal concerns at higher power levels. With SWR concerns up to 30MHz, the author plans to employ two series chokes at the rig input for improved performance. This choke offers versatility for portable use, with potential mismatch resolution using an antenna tuner. Further testing is anticipated upon the arrival of new cables.
[ Hits: 85 | Votes: 0 | Rating: 0 ]
- SIVA Coax Cables
- Cable manufacturer based in Italy, produces coax cables fo RF applications including 50 Ohm low loss cables for amateur radio applications.
[ Hits: 182 | Votes: 0 | Rating: 0 ]
- Gigatronix Coax Cables
- Manufacturers of Coaxial Connectors, Push-Pull Latching Connectors, Coaxial Cable, Multicore and Coaxial Cable Assemblies based in UK
[ Hits: 136 | Votes: 0 | Rating: 0 ]
- 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 ]
- Antena KIT
- Online shop for amateur radio antenna parts, accessories, holders, clips and insulators for home made antennas. Antena Kit delivers also ham radio transceiver mounts, cables, antenna rotors and other accessories. Based in Brazil
[ Hits: 317 | Votes: 0 | Rating: 0 ]
- Midway Electronics
- Midway Electronics supplies the area with electronic components, wire, cables, amateur radio transceivers, QRP kits, CB transceivers, GMRS radios, Shortwave radios, power supplies, antennas, coax, connector and ham radio accessories
[ Hits: 215 | Votes: 2 | Rating: 3 ]
- UKW-Berichte Telecommunications
- On-line shop for coax cables, RF connectors, Lightning protectors, Create antenna rotators, antenna masts and mounts, amateur antennas by FlexaYagi, Tonna F9FT, ANjo-Antennen and M2 Antennas based in Eggolsheim Germany
[ Hits: 268 | Votes: 0 | Rating: 0 ]
- All about coax cables
- Coax cable nomenclature, the RG Family, line loss explained, importance of shieding on coax cables, velocity factor explained, and differences among stranded vs solid wire
[ Hits: 217 | Votes: 0 | Rating: 0 ]
- Coax Loss Calculator Online by K5VR
- RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators made with Javascript.
This complex feddline loss calculator has already several line types paramenters for most common coaxial cables from Belden, Time LMR, Wireman and other common products. Result will give Matches loss, SWR loss, dB and Watts power loss.
[ Hits: 249 | Votes: 2 | Rating: 5 ]
- How to assemble a BNC connector
- How to install a BNC connector on a coaxial cable like the ELSPEC1030AF / HPF195RG and 58C/U cables
[ Hits: 194 | Votes: 0 | Rating: 0 ]
- Everything You Need To Know About Coaxial Cable
- An technical page on coaxial cables that describes what coax cables are, how do coax cables works, what are RG cables and difference with several coax cable types, what they are used for, connector types and cable sizes
[ Hits: 157 | Votes: 0 | Rating: 0 ]
- Coax Attenuation Chart
- Tables with attenuation in DB per 100 feet of several coaxial cables.
[ Hits: 347 | Votes: 5 | Rating: 3.4 ]
- Understanding Impacts of 75-ohm Devices in 50-ohm Systems
- This article explores the implications of using 75-ohm devices, common in TV setups, within 50-ohm systems. While mismatched cables and connectors may lead to minimal consequences in receive-only setups, potential losses and reduced isolation in splitters and taps are examined. The article concludes that, for general applications, inexpensive TV-type components can offer reasonable performance with some trade-offs
[ Hits: 146 | Votes: 2 | Rating: 9.5 ]
- An Inexpensive Microphone Selector Switch
- Take a commercially available switch box intended for switching data lines such as printer cables between two computers, and change out the connectors so that it can be used to switch between two microphones to one transceiver.
[ Hits: 254 | Votes: 1 | Rating: 7 ]
- Cost-effective ferrite chokes and baluns
- In this article the author describes some new designs of ferrite loaded chokes for suppressing unwanted common mode currents at HF applied to feed lines like choke baluns, but also in the shack, applied to various coaxial, mains and data cables
[ Hits: 855 | Votes: 5 | Rating: 6 ]
- Baofeng UV5R TRRS Adapter
- A tiny board, which allows a smartphone or similiar device to connect to the Baofeng UV5R radio via a TRRS audio connector. It allows for connecting the radio to a software TNC app such as APRSDroid or PocketPacket. Solder on the components, solder on the cables, then provide some stress relief, (I use solid-core wire and heat shrink tubing), and you can use your UV5R with your smartphone for APRS on the cheap.
[ Hits: 91 | Votes: 0 | Rating: 0 ]
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