cable,

30 links

Trap on Coax Cable - A trap on the coaxial cable, also known as choke, helps to eliminate the sneaking of the reflected RF- energy to the shack. The trap can be made from the coaxial cable that feeds the antenna
[ Hits: 964 | Votes: 2 | Rating: 6.5 ]

Magnetic Loop HF antenna - An homebrew HF Magnetic loop made with 2m length of 6mm diameter copper pipe formed into a near circle as the low loss inductor, a short length of coax as a capacitor,a short length of mains cable, again as a fixed tuned capacitor, a tunable 365pF air spaced capacitor, and a small Jackson C804 airspaced variable with a small 3-35pF trimmer in parallel
[ Hits: 131 | Votes: 0 | Rating: 0 ]

Bootstrap coax traps for antennas - Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap.
[ Hits: 1356 | Votes: 2 | Rating: 9 ]

DIY Dual Band 144-440 MHz vertical antenna - A homemade VHF/UHF vertical antenna made essentially with RG58 coax cable, with a 9 turns choke balun to prevent the shield acting as a RF Radiator.
[ Hits: 1377 | Votes: 14 | Rating: 5.5 ]
FBK 2m-70cm dualband coax antenna - A travel, or a fixed vertical coax antenna originally designed by PA0FBK. This antenna is very easy to make from a piece of 50 ohm or 75 ohm coaxial cable, and can be either smooth, roll-up version, or rigid cable
[ Hits: 354 | Votes: 3 | Rating: 9.33 ]

Benelec - Radio Communication Base Station, Marine, Cellular and Mobile antennas covering all bands between 2-6000MHz, Communication Accessories, Coaxial Cable, Coaxial Connectors and Accessories
[ Hits: 916 | Votes: 2 | Rating: 6 ]

TelExpress - TelExpress sells RF low loss coax cable, connectors, custom cable assemblies, and compete fiber solutions
[ Hits: 205 | 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: 137 | Votes: 0 | Rating: 0 ]

USB-C charging for Handheld Radio Transceivers - The article highlights the common absence of modern USB-C ports on handheld ham radios and the limited use of USB for power. The author, [jephthai], shares a solution involving a USB-C cable with power negotiation capabilities, allowing the radio to be powered by USB. By splicing Anderson power pole connectors onto the cable, the radio can now be conveniently powered by a USB battery bank, providing a practical alternative to traditional 12 V batteries for off-grid operations.
[ Hits: 142 | Votes: 1 | Rating: 10 ]

Programming KG-UV3D and UV-5R - Programming the Wouxun KG-UV3D and the Baofeng UV-5R+, getting your computer to recognize the programming cable, installing the Wouxun software and hints on how to program Baofeng radio UV-5R.
[ Hits: 79 | Votes: 0 | Rating: 0 ]