[amsat-bb] UHF amps

David J. Schmocker kj9idave at charter.net
Sun Nov 25 23:29:25 UTC 2018


Jim:
Check website of W6PQL.com or email Jim.. He has lots of great amplifier
solutions available.  73,
Dave KJ9I

On 11/25/18, 5:24 PM, "AMSAT-BB on behalf of Jim White"
<amsat-bb-bounces at amsat.org on behalf of jim at coloradosatellite.com> wrote:

>I'm looking for suggestions on UHF power amps.  One of my stations uses
>a 10mw output SDR with a 2W gain block after it on TX.  Right now I'm
>driving the 2W into a MIRAGE D26 to about 35W. I'd like to have about
>100W.  As I look at the various amateur power amps I'm not finding
>anything with 2W in and 100ish out.  I could add some attenuation to the
>SDR/2W amp string and get the D26 output down to perhaps 20W to drive
>another power amp but that's not desirable because two amps in series
>creates a few problems.
>
>I can find Minicircuits gain blocks that would get me to perhaps 10W, in
>place of the 2W gain block, then drive something like a D1010 but those
>are a bit steep at >$1,000....
>
>So any ideas on how to get the SDR 10mw output up to about 100W would be
>appreciated.
>
>Jim
>
>
>
>_______________________________________________
>Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>to all interested persons worldwide without requiring membership.
>Opinions expressed
>are solely those of the author, and do not reflect the official views of
>AMSAT-NA.
>Not an AMSAT-NA member? Join now to support the amateur satellite program!
>Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb




More information about the AMSAT-BB mailing list