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Yaesu FT 847 70mhz pre-aplifier
FT-847 has a build in preamp, but it seems to have poor gain at 70mhz,so I decided to add another preamplifier stage
post 03 Jun 2026
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Pre-Amplificatore RF ATV a 1240 MHz
L’Amplificatore Driver monta come finali due BFG591, e' a larga banda 950-2150 MHz
Preamp for VHF and UHF
This paper describes a low noise, high dynamic range VHF/UHF preamp that uses the Minicircuits (MCL) PGA103+ P-HEMT MMIC device
Preamplifier for a beverage antenna
They lend themselves perfectly to low band applications using a high-quality receive preamplifier
Preamplifier and Bandpass filter for SDR from 1.8 to 18 MHz, LZ1AQ
The SDR hardware in its simplest form consists of a wideband switched balanced mixer and low noise LF amplifier
Preamplificatore per i 432 MHz
Situazioni tipiche dell'operativita' del radioamatore nelle quali un normale preamplificatore per i 430 MHz puo' risultare inadeguato
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L’Amplificatore Driver monta come finali due BFG591, e' a larga banda 950-2150 MHz
This paper describes a low noise, high dynamic range VHF/UHF preamp that uses the Minicircuits (MCL) PGA103+ P-HEMT MMIC device
They lend themselves perfectly to low band applications using a high-quality receive preamplifier
The SDR hardware in its simplest form consists of a wideband switched balanced mixer and low noise LF amplifier
Situazioni tipiche dell'operativita' del radioamatore nelle quali un normale preamplificatore per i 430 MHz puo' risultare inadeguato
Microsat Ham radio shop for ulari project, aprs, aprs with radio, bluetooth, gps, gsm, ham radio interfaces, weather,accessories, cables to radio
Amateur radio kits by Kanga US
Enigma Component Shop Cable & wire,capacitors, connectors, crystals/oscillators, filters, hardware,kits/modules,test & measurement