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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Good LNA choice - RF Cafe Forums

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Corvus
Post subject: Good LNA choice Posted: Thu Nov 27, 2008 10:20 am

Captain


Joined: Mon Jul 18, 2005 12:55 pm
Posts: 8
Hi everybody!!

I am looking for a good LNA ( low NF, high IP3...) for VHF and UHF receiver design.Anybody has experience or knows a good one?

Is possible to improve the input return loss of LNA with external component structure?

If you have to choose for a new design double conversion receiver or direct conversion receiver which one you perform?

Thanx


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markapexwireless
Post subject: Posted: Mon Dec 01, 2008 7:25 pm

Captain

Joined: Tue Jul 08, 2008 7:15 pm
Posts: 11
Location: Boulder Colorado
Hi,

I have had good luck with Avago MGA-62563. It has .9dB NF, 33dBm OIP3, 22dB gain at 500 MHz. It also has current adjustment (via resistor value) to optimize for desired performance.

Good luck!!

- Mark -


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raghavkap
Post subject: Re: Good LNA choicePosted: Thu May 07, 2009 5:57 am

Lieutenant

Joined: Thu May 07, 2009 5:47 am
Posts: 1
Try the Amplifier search on http://www.everythingrf.com
Just enter the specs and click on search. It searches components from over 100 manufacturers.
You can specify the NF and Gain.







Posted  11/12/2012
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