

UHF Preamp for the VHF/UHF Dongle

Most premaplifiers have bandpass filtering at their input, and some also have filtering at their output. A preamplifier also allows you to add a sharp bandpass filter at its output without reducing signal strength or adding significant noise
post 10 Oct 2024
Preamplifiers Links →
Radio Antenna Preamplifier Kit
A low noise radio antenna preamplifier for the 1 to 30 MHZ frequency range. This kit is based on the classic design of W7IUV
Swl active hula hoop square loop rx antenna
Progetto di un'antenna a loop attiva di JohnHawes G8CQX con alcune variazioni
Preamplifier 144 -432 Mhz
This good and easy to build preamplifier good for the EME
50-70 MHz preamplifiers
Build a broadband version which should cover 50 to 70 MHz with the BFG135a
Radio Preamplifier for 2 mtr reciever
the gain is near 20db
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A low noise radio antenna preamplifier for the 1 to 30 MHZ frequency range. This kit is based on the classic design of W7IUV
Progetto di un'antenna a loop attiva di JohnHawes G8CQX con alcune variazioni
This good and easy to build preamplifier good for the EME
Build a broadband version which should cover 50 to 70 MHz with the BFG135a
the gain is near 20db

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map