impedance match

Building an own Stackmatch - Nowdays lots of people are putting up antennas to either beam in different directions at the same time or just to stack them and get a lower angle of radiation. Use this stackmatch to match you array.

3 Element Yagi for Six meter band  ^pop - Plans for 3 elements beam antenna and gamma matches

50MHz-Yagis by DK7ZB - 50MHz-Yagis with a new match, all lengths from 0.6-12m

Using Delta Matching on HF Beams - Using delta match with HF antennas design

Cubical Quad Antenna Design  ^pop - By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.

Broadband receiving antenna matching - This article addresses the subject of obtaining the best signal transfer from an antenna to the typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave (500 – 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.

Inductors used in antenna matching networks - Article about variometers, helipot inductors, roller inductors, binary switched inductors, Coil and Capstan by G3YNH

6M Halo -- Gamma Match Feed - An interesting homebrewed gamma match feed for a Halo Antenna

Clemens match - The Clemens match is easy to make and reliable, and is preferable to a single Gamma match as it is balanced

What tuners do - How atenna tuners works and what are real effects on feed lines and maximun power output by G3TXQ

DK7ZB Yagi Homebrewing  ^{updated  pop} - Yagis for homemade with a new match-system, for 6m, 4m, 2m, 70cm and Shortwave

Empower RF Systems - We offer a large selection of standard and custom High Power RF and Microwave amplifiers for broadband, general communication, matched band, and personal communication markets.

XMATCH Antenna Tuner - Ham Radio Antenna Tuners--Full Legal Power--Patented Circuit--Outstanding Efficiency and Power Capability

Shakespeare CB antennas - Shakespeare Composites & Electronics Division manufactures a complete line of unmatched CB, CB marine, and military antennas for a veriety of applications.

MaCo Antennas - Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters

ATSI Tubes for Broadcast and Transmitting - Matched Power Broadcast tubes 813,81A,572B,4-400A,3-500,12BY7. etc. Great prices fast delivery.

Smith chart - Match & display imped of antennas, can graphically visualize and compare two sets of measured impedances simultaneously.

AEA - Wireless software - AEA Wireless Director Software Series turns PC's (running Windows 95/98/2000/ME or NT) into powerful tools that expand the use and power of SWR, Return Loss and Complex Impedance Analyzers.

atlc - Arbitrary Transmission Line Calculator. - Unix or linux programme atlc calculates the impedance of electrical transmission lines of totally arbitrary cross section.

W9DMK Software - Various radio related software, including some antenna analysis, and impedance calculators.

Smith chart calculator - linSmith is a Smith Charting program, mainly designed for educational use. It allows defining multiple load impedances (different frequencies), and adding components (discrete components and line sections) in series and parallel. It plots the impedances on the screen, shows the values in table format, and is able to generate publication quality Postscript output.

K1TTT Technical Reference Priority listing - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.

Impedance Bridge - by Harry Lythall SM0VPO

Z Match for Higher Power - Single coil Z match witch handles the power of the linear amplifier

Build A Vector Network Analyzer - The VNA (vector network analyzer) is an essential tool for measuring the complex impedance of a circuit at a given frequency. Article on how to build a Impedance analyzer.