Thanks, SDR receiver noise figures seem to be in the 3 to 4db figure for VHF/UHF. So you don't want to add too much more to that.
Stefan On Sun, Nov 9, 2014 at 9:03 PM, Ariel Diaz < [email protected]> wrote: > Thank you for your prompt reply. I couldn't find anything about the NF > on the hackrf but isn't it close to that figure? Or perhaps too far from it? > > > Thanks, > > AD > ------------------------------ > *From:* Stefan Wagener <[email protected]> > *Sent:* Sunday, November 9, 2014 5:17 AM > *To:* Ariel Diaz > *Cc:* [email protected] > *Subject:* Re: [Hackrf-dev] LNA / Power Amplifier question. > > Well, > > According to the specs it will give you more than 25db in gain. What is > not so good (actually pretty bad) is the noise figure with 6db. Good > preamps in VHF/UHF should have less than 1db noise added to the signal. > > my 2 cents, > > Stefan > > On Sun, Nov 9, 2014 at 6:53 AM, Ariel Diaz < > [email protected]> wrote: > >> Hello all, >> >> While looking for a low noise amplifier for receiving, I got mixed up >> with the model numbers from mini-circuits and ended up getting what I >> thought it was a good deal on some amplifiers ZHL-1042J+ >> <http://www.minicircuits.com/pdfs/ZHL-1042J.pdf>. Anyways, question >> would be, will this amplifier provide any gain on the Rx signal(since I >> already have it in hand) not interested in Tx. Or should I sell this and >> buy something else. Any input will be greatly appreciated. >> >> _______________________________________________ >> HackRF-dev mailing list >> [email protected] >> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >> >> >
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