4:1 matching balun

2 Stack Match Yagi Antenna - Solves antenna matching problem with two phased antennas. Stacked rotary beams are popular. However, connecting two 50 Ohm antennas together presents some problems.

7 elements 50Mhz Yagi Antenna Priority listing - A very simple to build, compact 7el 50MHz OWA requiring no complex matching and flat SWR across the bottom of the 6m band

G0KSC 10el 50Mhz OWA Yagi - A huge easy-to-build 6m antenna with huge performance. Easy build, split dipole, no matching required. Super low SWR too.

Wire Baluns - Baluns done with coaxial feed-cable

Core Baluns - About core baluns, measurementes, basic theory and calculations

The Coax Balun - Building balus with coax cables

Coiled Choke Balun for HF - A very practical Balun for HF aerial work is the choke type. It reduces RFI to and from the feeder & at next to no cost or loss.

Creating a simple, easy to make balun Priority listing - Detailed information on several different balun types which are easy to build at home by G0KSC

600:50 Ohm Baluns - Low-cost 600:50 Ohm Baluns by Andrew Corney ZL2BBJ

Baluns - by ON9CVD - The simple 1 : 1 balun is being know in a variety of constructions. A dedicated chapter seems appropriate

About baluns - General information about baluns, aspects of the balun problem

Baluns Articles Collection - A PDF file with a compilation of articles about baluns taken from differen sources

4:1 Dual ferrite bead balun - The Dual-Ferrite-Bead 4:1 HF Balun, some preliminary measurements

Antenna Matching Coil Adjustment Procedure - Without this basic knowledge, addressing antenna problems, RFI problems, and matching problems, results in a frustrating situation. Procedure which must be followed to properly adjust a shunt matching coil.

The EWE Antenna - EWE Antenna plan with a 9:1 balun

Cushcraft R5 Matching Unit Rebuild - This article describes how to rebuild a matching unit of a Cushcraft R5 vertical by G0WCW

Radio - The Easy Way - PDF article on Antenna of non resonant lenght, line attenuation, the transmatch, baluns by WB5IIR

Antenna Matching - Antennaa matching basics, matching input impedance, reactance vs. SWR, info on inductive matching and UNUN Matching systems. Capacitive Matching Odds & Ends by K0BG

Impedance Matching - Article by By David Knight and Nigel Williams on Impedance Matching, basic principles, popular matching networks, L-Network solutions, materials and components in impedance matching designs

Antena gamma match - Gamma match antenna is an antenna 1/2 additional lambda with the impedance matching more flexible arrangements (var capacitor) by sliding through the gamma match/road.

13m high elevated vertical - This article explores the performance of an unloaded elevated vertical, base matching and feed line as a multi-band HF antenna system.

Anaren - Manufacturer for splitter and combiners, baluns, directional couplers hybrid couplers, modulators, mixers, phase discriminators, antenna feeds.

MFJ-993B Intellituner Review - MFJ-993B Intellituner automatic antenna matching device review by N4KC

Gagacom - Amateur radio accessories dealer based in Wehrheim Germany, offer Antennas, baluns, filters, antenna tuners, dummy loads, swr wattmeters by Palstar

DRAKE TR7 Downloads - Circuit diagrams drake tr7, Schaltbilder Drake Tr7, antenna tuners, baluns, and home brew power supplies, dual tone ssb test generator, zweiton ssb test generator, zweiton testgenerator, dual tone test generator by DK4DDS