Neven - Elektronické součástky - Elektronický vývoj - RF - SPF5189 zesilovač signálu RF 50-4000MHz LNA board HF VHF/UHF Ham Radio
Lna 50-4000mhz Spf5189 Rf Amplifier Signal Receiver For Fm Hf Vhf / Uhf - Buy Lna 50-4000mhz Spf5189 Rf Amplifier Signal Receiver For Fm Product on Alibaba.com
SPF5189 LNA 50MHZ 4000MHz NF = 0.6dB LNA RF low noise amplifier for FM HF VHF / UHF Ham Radio amplifier 5v|Replacement Parts & Accessories| - AliExpress
Pieter Noordhuis on Twitter: "The new configuration has the SPF5189 behind the @nooelec SAWbird instead of in front. The +14dB was apparently enough to sometimes overload the SAWbird and impact signal quality.