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Antenna Tuning Unit


Inductors used in ATU applications will under some conditions carry very heavy currents to ground


Antenna Tuning Unit



Antenna Transmatch tuner Links

197



QRP hf antenna match
The tuned circuit inductor is a T130-red toroid core. This is close wound with 50 turns 20 gauge enamelled wire

Semplice Transmatch tuttofare
Un piccolo accordatore nella configurazione ad L

The ultimate transmatch
At the rear of the roller inductor is the 1-to-4 balun.the balun is set on top of a standoff isulated

Realisation coupleur par f4 dme diedier



Antenna splitter per VHF-UHF per quattro ricevitori

Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter

Kits and Components

Amateur radio kits by Kanga US

50MHz to 28MHz RX Converter

50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal