Hits
Noise suppression
You must have a good install to eliminate the most common problems
post 09 Aug 2024
Antenna Shortwave Links →
Active 3-30 MHz Hula-Loop Antenna for Shortwave
Home-made antennas can greatly improve the performance of AM and FM radios, short-wave receivers, and scanners
Active Ferrite Rod Antenna
Matti OH7SV did some tests to find out if Active Ferrite Rod antenna can be build for 80 / 40 Meter ham band reception. Matti's experiments are documented here
Active Antenna AA-7 HF/VHF/UHF, 3-3000MHz, Antenna booster
is a small antenna going through an RF preamplifier to a receiver
Shortwave Portable Receivers
shortwave portable radio, portable shortwave receiver, world band radio, worldband
An easy vlf loop 200Hz-20kHz reception without transformers
the loop antenna is easy to build but the preamplifier has a lot of active components many gain stages, much noise
40
Home-made antennas can greatly improve the performance of AM and FM radios, short-wave receivers, and scanners
Matti OH7SV did some tests to find out if Active Ferrite Rod antenna can be build for 80 / 40 Meter ham band reception. Matti's experiments are documented here
is a small antenna going through an RF preamplifier to a receiver
shortwave portable radio, portable shortwave receiver, world band radio, worldband
the loop antenna is easy to build but the preamplifier has a lot of active components many gain stages, much noise
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