Preamp using the ATF54142 FET
The design uses source feedback and has a diplexer on the output
post 23 Dec 2021
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
54
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
Antennas_manufacturers
About Rtty mode
Audio Recording
Amplifiers
Antennas Satellite
Amateur Television ATV
Aprs software
Beacon
Band Plan Ham Radio
Capitals Europe
DX cluster software
Italy provices
Italia-call-ham radio Italy provices Ham Radio Clubs Italy
EME Ham Radio Satellite
Grid Software
Ham shirts
Ham radio Magazine
Log Converter Software
Logs Search Services
Meteor scatter
Microwave
Mac Ham Radio Software
Practice with the soldering
Propagation Solar Cycle
Power Supply
PMR 466Mhz
Packet Radio TNC
PSK31 software
Prefix World
Propagation prediction
Qrp low power
QSL Printing
QRSS Amateur VLF operating
Radio old Museum
Radio portal
Surplus radio
Sstv Photo
SWL Shortwave DX Radio
Telegraph Morse code
VHF Activit
Web SDR