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Antenna tuner T 3.5 a 30 MHz


T-shaped and uses a mid-range choke which allows tuning on all HF bands from 80m to 10m
post 18 Aug 2021


Antenna Transmatch tuner Links

205



A simple 10W QRP Z-match antenna tuner 80 - 6 meters
I have been trying to locate an Amidon T-130-2 toroid to build this circuit. The toroid I was looking for is red coloured, but unable to find one; I found a smaller red toroid that works perfectly

A single-coil Z-Match type
One of my first structures was with two plastic varicaps. Types that were in portable AM radios. Although intended for QRP, they often proved suitable for even 100 W if the impedance to be adjusted was not too high

A Tiny Z-match Tuner portable
A compact Z-match tuner for usage for in operation portable

A Homebrew Antenna Tuner
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

Accordatore d' antenna a copertura continua
Un accordatore a copertura continua. Rispetto alla bobina classica con le prese commutabili il vantaggio di una induttanza variabile roller consiste nel fatto che l' accordo e' piu' preciso

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