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Accordatore HF e Antenna 14 MHz
Tunner ad L, accorda facilmente tutte le gamme HF partendo da un antenna random long wire
post 16 May 2026
Antenna Transmatch tuner Links →
Legacy Balanced Antenna Tuner
The balanced tuner described in this article has two front-panel adjustments, a turns counter that turns two roller inductors that is connected together with two pulleys and a timing belt and a high voltage capacitor
L Network Tuner
The L-Network tuner is a simple impedance matching network that consists of one variable inductor and one variable capacitor
Motorized L-Network Antenna Tuning
I needed a remote antenna coupler that would match the antenna on any frequency from 1.8 to 29.7 MHz including oddball military frequencies
Remote ATU
For the variable capacity, I choose an arithmetic progression of capacity with 8 relays, starting from xx pF up to yy pF for the highest capacity. The four smallest capacitors are made of short sections of RG-174/U coaxial cable
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The balanced tuner described in this article has two front-panel adjustments, a turns counter that turns two roller inductors that is connected together with two pulleys and a timing belt and a high voltage capacitor
The L-Network tuner is a simple impedance matching network that consists of one variable inductor and one variable capacitor
I needed a remote antenna coupler that would match the antenna on any frequency from 1.8 to 29.7 MHz including oddball military frequencies
For the variable capacity, I choose an arithmetic progression of capacity with 8 relays, starting from xx pF up to yy pF for the highest capacity. The four smallest capacitors are made of short sections of RG-174/U coaxial cable
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