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I decided to build a homebrew antenna tuner because I needed a passive pre-selector network to match an experimental end-fed wire antenna to my QS1R SDR receiver.
BUILD AN HF ANTENNA TUNER MAKE A HOMEBREW HF-VHF ANTENNA TUNER. (It really isn't all that difficult.) This page details several T-match tuners. By comparing them, you should be able to construct a tuner to your own particular requirements.
Find a complete schematic for an automatic antenna tuner, including all necessary components and connections. Learn how to build and tune an antenna tuner for optimal performance and signal reception.
7 mar 2021 · ATU-100 N7DDC automatic antenna tuner design and build details, tests, options, and matching capacity explained.
Get maximum power to your antenna by learning how to hook up and use a tunner to properly "trick" your rig. A remote antenna tuner. Interesting project to remotely control, using a servo control circuit, a common commercial antenna tuner by N30X. W8ZR High-Power Antenna Tuner.
28 lip 2017 · So, yes, to tune a resonant antenna, you'll need an adjustable capacitor or inductor. You'd usually go the capacitor route, since adjustable caps are smaller, cheaper, and more exact, usually. Bonus: There's electronically variable capacitors!
With proper system design, an antenna tuner or transmatch can allow a non-resonant antenna to operate nearly as efficiently as one that is carefully cut to resonance. These articles and links will help you understand what needs to be done to make and use effective an antenna system using a transmatch.
