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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. Please Note: In the last version of my modified FRI-Match (diagram above), I replaced the 470 pf variable capacitors with 500 pf.
1 lis 2020 · A Simple Antenna Tuner for SWL Radios. by Steve Allen, KZ4TN. After reading 13DKA’s excellent review of the Belka-DSP on SWLing.com a few weeks ago I knew I had to have one! The size, features, and performance of the Belka-DX (latest version of the Belka-DSP) is phenomenal.
withstand the transmit power of 15W,the tuning range of approximately 40-300 ohms, can be very convenient for QRP communication, to ensure high efficiency radio transceiver in communication, but also allows you to fully enjoy the fun of DIY.
16 sty 2021 · [Charlie Morris (ZL2CTM)] recently did this with a simple antenna tuner, a device used to match impedances between a transmitter and an antenna. As he explains in the first video below, his...
Using some old components left over from prior projects, Jim W6LG builds a manual antenna.The Patreon Link: patreon.com/JimW6LG.
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 cze 2014 · Homebrew Antenna Tuner. Steve Yates - AA5TB. For years I've thrown together simple antenna tuners to get me on the air when needed. Whenever I would go to a sidewalk sale or hamfest I would pick up any components that might someday come in handy to make an antenna tuner.
