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Collineare 900MHz


Collineare 900MHz

Per le prove ho utilizzato uno spezzone di cavo RG213, ma qualsiasi altro cavo puo' andar bene

post 05 Aug 2024


Antenna for UHF VHF Links

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Cheap Yagis 144 MHz.antenna
The simplified feed uses the structure of the antenna itself for impedance matching. So the design started with the feed and the elements were built around it

Coaxial Colinear For 432 MHz
the collinear antenna has been around a long popularity, make a collinear antenna from coaxial cable simple

Coaxial Dipole
The Folded Dipole exhibits the self-balancing behavior. The feed impedance is several times higher than the cylindrical dipole's

Cubical quad 8 elements 144MHz
The 2.5m boom is a 20x35mm rectangular tube that is easily found in DIY store the distance between the reflector and the last director is 2.47m

Delta Loop for 144mhz


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