4 1 transformer
31 links
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Antennas : 2M- Rectangular Loop antenna for 2 meter band
- VK1NAM
An interesting and easy to build loop antenna for VHF bands that present a feedpoint ...[ Hits: 280 | Votes: 1 | Rating: 1 ]
- RF Balun Transformers
This application note is designed to help the reader understand how balun transformers can be ...[ Hits: 2143 | Votes: 1 | Rating: 3 ]
- Magnetic Long Wire UnUn 9:1
An impedance transformer 9 1 to feed a high impedance long wire 450 ohm down ...[ Hits: 1929 | Votes: 4 | Rating: 7 ]
- 1:49 Transformer
- OZ1CX
This 1 49 transformer is used with wires any multiple of 1 2 wavelength This ...[ Hits: 2477 | Votes: 25 | Rating: 5.84 ]
- BalUn for Delta-loop & Quad-loop antennas
- hfkits
This Guide helps you to build the 1 2 BalUn 600 Watts DIY kit step ...[ Hits: 287 | Votes: 1 | Rating: 9 ]
- Beverage transformer notes
- N1EU
In this article the author discusses the importance of good transformers for Beverages especially for ...[ Hits: 1320 | Votes: 1 | Rating: 10 ]
- End-Fed 6-40 M Multiband Antenna
- earchi
This project produces an inexpensive multiband end fed HF antenna matchbox quick and easy to ...[ Hits: 1998 | 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: 2275 | 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: 1109 | Votes: 6 | Rating: 4.5 ]
- The Pop-Up Vertical 2.0
- WB3GCK
Basically this antenna is a 23 foot wire fed through a 4 1 un un ...[ Hits: 258 | Votes: 0 | Rating: 0 ]
- 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 ]
- HF Multiband end fed antennas
A multiband end fed antenna that cover 3 5 to 30 Mhz using a 1 ...[ Hits: 3728 | Votes: 6 | Rating: 4.67 ]
- The Classic Beverage Antenna Revisited
- HH Beverage
This is a QST Article published in January 1982 by W1FB D Demaw and HH ...[ Hits: 569 | Votes: 1 | Rating: 6 ]
- 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: 1803 | Votes: 0 | Rating: 0 ]
- OH7SV Matti Hohtola Ham Projects
- Matti Hohtola
The most modern QRP transceiver in 2004 Direct Conversion HF Transceiver with DDS LO 50 ...[ Hits: 20376 | Votes: 36 | Rating: 8.11 ]
- ZS6BKW Antenna
- VK4MDX
How to Build a ZS6BKW Antenna an optimised version of the popular G5RV multiband Antenna ...[ Hits: 1751 | Votes: 2 | Rating: 7.5 ]
- SM1000 FreeDV Adaptor
- rowetel
The SM1000 allows you to run FreeDV without a PC Connect the SM1000 to your ...[ Hits: 131 | Votes: 0 | Rating: 0 ]
- How to obtain a dual voltage without a transformer
- talino
How to obtain a dual voltage without a transformer[ Hits: 4717 | Votes: 6 | Rating: 9 ]
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