transformer ht

87 links

Baluns
A complete guide to Baluns and transformers by WK5AJL

[ Hits: 1387 | Votes: 6 | Rating: 5 ]
The DC Isolated 1:1 Guanella
The DC Isolated 1:1 Guanella, transmission line transformer by N7ZWY

[ Hits: 698 | Votes: 0 | Rating: 0 ]
Switchable MTFT for Wire-Antennas - Martin, DK7ZB ^updated
A switchable Magnetic Transformer for Transmitting for various impedances

[ Hits: 1216 | Votes: 90 | Rating: 8 ]
1:49 Transformer - OZ1CX
This 1 49 transformer is used with wires any multiple of 1 2 wavelength This ...

[ Hits: 2475 | Votes: 25 | Rating: 5.84 ]
Antenna Balun - laarrl
What is an antenna balun why and when do you need it type of transformers ...

[ Hits: 1328 | Votes: 1 | Rating: 8 ]
DIY isolation transformers - K2AV
Article about isolation transformer construction to perform optimal impedance matching Winding the FCP isolation transformer ...

[ Hits: 317 | Votes: 0 | Rating: 0 ]
Unun vs Balun - Configurations and differences - Palomar-Engineers
If you ever asked if you need an Unun or a Balun this article is ...

[ Hits: 345 | Votes: 3 | Rating: 6.67 ]

End-Fed 6-40 M Multiband Antenna - earchi
This project produces an inexpensive multiband end fed HF antenna matchbox quick and easy to ...

[ Hits: 1996 | Votes: 4 | Rating: 8.25 ]
Multiband end fed antennas - PD7MAA
This is a 200 Watt PEP step up transformer for end fed full and half ...

[ Hits: 2274 | Votes: 9 | Rating: 7.32 ]
End-Fed antenna for 17 and 12 meters - PA0ROB
Article about an end fed anntenna for the 17 and 12 WARC Bands 30 meters ...

[ Hits: 542 | Votes: 3 | Rating: 4.33 ]
Multi-band End-Fed Antenna - F. Dorenberg
An excellent guide to homebrewing multi band end fed antennas The article embed several drawings ...

[ Hits: 1106 | Votes: 6 | Rating: 4.5 ]

End Fed Half Wave Antenna Coupler - M0UKD
A home made end fed half wave antenna coupler with antenna lenght calculator and counterpoise ...

[ Hits: 282 | Votes: 0 | Rating: 0 ]
EFHW autotransformer comparison - John Huggins
Two different ways to create autotransformer for end fed half wave wire antennas by using ...

[ Hits: 527 | Votes: 3 | Rating: 2 ]

Full Wave Loop Dimensions
This article contains the measurements for building a full wave loop using wire and length ...

[ Hits: 1088 | Votes: 3 | Rating: 7 ]

Matching with one-twelfth-wavelength feed line
Matching with a half wave or wuarter wave coaxial cable is pretty well known but ...

[ Hits: 541 | Votes: 1 | Rating: 10 ]

QRP Z-Match Tuner 40-10m - VK5BR
The Z Match is really a basic L Match consisting of a series capcitor and ...

[ Hits: 1802 | Votes: 0 | Rating: 0 ]

ZS6BKW Antenna - VK4MDX
How to Build a ZS6BKW Antenna an optimised version of the popular G5RV multiband Antenna ...

[ Hits: 1749 | Votes: 2 | Rating: 7.5 ]

Antenna Europe - LY5W
Antenna Europe is an Lithuanian ham radio HF antenna manufactured specialized in Quad Antennas Makers ...

[ Hits: 1278 | Votes: 1 | Rating: 1 ]

FT CALC 1.3 - Ferrite Toroidal Core HF Calculator - VK2WB
This EXCEL Program Worksheet calculates the safe operating conditons for a toroidal transformer operating between ...

[ Hits: 285 | Votes: 1 | Rating: 2 ]

Yes, all my Coax Cables are 75 Ohms - CO2KK
CO2KK exposes some myths about using 75 ohm feedline with 50 ohm rigs and show ...

[ Hits: 1309 | Votes: 3 | Rating: 8.67 ]