Hits
Accordatore per QRP
L’accordatore e' stato allora utilmente impiegato sui 40 metri 5 Watt CW
post 17 Sep 2024
Antenna Transmatch tuner Links →
Emtech ZM-2 Antenna Tuner Kit
With the ZM-2, a tuning solution quite close to optimum can be found without even transmitting, just by listening for a peak in receiver noise
End-Fed Half-Wave Antenna & Tuner
The radiator itself is simply a half-wave long piece of wire. I used an unzipped length of zip cord, a full free-space half wave length about 41.6 metres
EZ-Tuner Site
EZ-Tuner is a shielded RF compartment which contains two Cardwell-Johnson 3500V variable capacitors, two 50pF/5kV
Gotta Match
I found that the Ultimate Transmatch is not as good at suppressing harmonics as the SPC so I decided on the SPC Transmatch
HF P-Greco Transmatch
Transmatch Hf che permette di utilizzare una grossa doppia filare
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With the ZM-2, a tuning solution quite close to optimum can be found without even transmitting, just by listening for a peak in receiver noise
The radiator itself is simply a half-wave long piece of wire. I used an unzipped length of zip cord, a full free-space half wave length about 41.6 metres
EZ-Tuner is a shielded RF compartment which contains two Cardwell-Johnson 3500V variable capacitors, two 50pF/5kV
I found that the Ultimate Transmatch is not as good at suppressing harmonics as the SPC so I decided on the SPC Transmatch
Transmatch Hf che permette di utilizzare una grossa doppia filare
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