Hits
Z-match tuner
This Z-Match is a link coupled all-band tuner. Two all band tank circuits cover 3-14mhz and 14-30mhz. The tank output links are selected with a very heavy duty SPDT
post 05 Dec 2024
Antenna Transmatch tuner Links →
Antenna tuner L for antenne long-fil
This small coupler allows the adaptation of a longwire antenna of twenty meters for use in QRP power less than 25 watts on the 7 MHz band
Antennentuner L-Tuner
Very common among antenna tuners is the Pi circuit, also known as the Collins filter
Accordatore HF 1.8 50 MHZ 100 watt
Per il contenitore ho usato una scatola per montaggi elettrici in pvc tipo gewiss di dimensioni 30x20x6 cm schermandola poi internamente con della comune stagnola
QRO ATU with Dummy Load
QRO ATU / Dummy Load / Power meter intended to be capable of handling the full 400W
186
This small coupler allows the adaptation of a longwire antenna of twenty meters for use in QRP power less than 25 watts on the 7 MHz band
Very common among antenna tuners is the Pi circuit, also known as the Collins filter
Per il contenitore ho usato una scatola per montaggi elettrici in pvc tipo gewiss di dimensioni 30x20x6 cm schermandola poi internamente con della comune stagnola
QRO ATU / Dummy Load / Power meter intended to be capable of handling the full 400W
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
Amateur radio kits by Kanga US
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