Yes, I've had some frustrations finding settings for the best sensitivity. On VHF I've found I get the best sensitivity with the IF gain set to 40db and the baseband gain set to zero. The baseband gain seems to bring up the noise level and obliterate signals. The preamp certainly helps but I've been wary of enabling it (or keeping it enabled) due to the blown preamp stories here.
I put a preamp based on the RFMD SPF 5043 (a board from g4ddk & wa5vjb) in front of the hackrf but without much success. I did have some good results with the SPF5043 and a MAR-6, but I also got some oscillations at times. I continue to experiment with that. Glen, kc0iyt On Thu, Jan 14, 2016 at 4:28 PM, Nader Omer via HackRF-dev < [email protected]> wrote: > Hi all > Any issues about hackrf receiving sensitivity ?? > I crank up LAN and Amp to upper limit and still I found it very poor in > sensitivity compare to other SDR devices.!!! > > I used HF antenna,Yagi Antenna,vertical antenna. > software SDRSHARP. SDR-RADIO and gqrx. > > I'm thinking of front end pre-selector ?? > Any suggestions. > TU > Nader > > _______________________________________________ > HackRF-dev mailing list > [email protected] > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev > >
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