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Adattatori d'impedenza
Esistono numerosi tipi di adattatori, tipo uno spezzone di cavo coassiale della lunghezza di λ/4 d'onda
post 30 Jan 2024
Projects_Homebrew Links →
Feeding the Antenna
If you're using a nonresonant antenna and matching it with an ATU in the shack you could be amazed by how much power you're wasting. more
G5RV wire antenna 10-40 Meter
The ladder-window line is aprox 450 ohm impedance, you will be using 16.5 ft of this line
Home Brew CW Filter
Newer radios may come equipped with filters for narrowing the audio passband or digital signal processing (DSP) to clean up unwanted noise
Adattatori d'impedenza
Esistono numerosi tipi di adattatori, tipo uno spezzone di cavo coassiale della lunghezza di λ/4 d'ond
Homebrew pages
This is one of my homebrew qrp projeckt collections. 144 MHZ QRP TX FOX BEACON is very simple but the power out put is around 100mw enough to be made in the FOX HUNTING event
Homebrew Aplifiers
170
If you're using a nonresonant antenna and matching it with an ATU in the shack you could be amazed by how much power you're wasting. more
The ladder-window line is aprox 450 ohm impedance, you will be using 16.5 ft of this line
Newer radios may come equipped with filters for narrowing the audio passband or digital signal processing (DSP) to clean up unwanted noise
Esistono numerosi tipi di adattatori, tipo uno spezzone di cavo coassiale della lunghezza di λ/4 d'ond
This is one of my homebrew qrp projeckt collections. 144 MHZ QRP TX FOX BEACON is very simple but the power out put is around 100mw enough to be made in the FOX HUNTING event
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