[amsat-bb] 70cm LNA

[Kevin Elliott]

Yes now just to find filters for 2m/70cm out of the box ready :) Thanks!

> On Aug 12, 2020, at 12:38 PM, Zach Metzinger via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
> On 08/12/20 14:26, Kevin Elliott wrote:
>> Not wanting to use this with a transceiver, mostly just for my 70cm QFH with SDR for satnogs. Aware of any other 70cm and 2m LNAs that perform well for receive-only?
> 
> Hello Kevin,
> 
> I've heard good things about LNA4ALL (https://lna4all.blogspot.com/), which has a high IIP3 and low NF.
> 
> The +33dBm IIP3 would help with overload issues on the LNA itself, but the high gain (+23dB) would then overload your SDR/rig with those, now amplified, high-power out-of-band signals.
> 
> If you added an appropriate filter, such as the one I used, to the output, then you'd have a good solution.
> 
> --- Zach
> N0ZGO
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