Topband: swr protection schematic 160m?

Brendan Minish ei6iz.brendan at gmail.com
Sun Jun 6 14:40:55 PDT 2010


Another option is the LP100, it's available as a kit or ready made 
http://www.telepostinc.com/lp100.html
it's pretty easy to calibrate the kit accurately for SWR, accurate
absolute power calibration may be a little more difficult if you do not
have access to a good reference power meter or you can have your kit
calibrated if you post it back 

I am really pleased with my LP100 

On Sun, 2010-06-06 at 17:27 +0200, EA2LU Jorge Daglio wrote:
> Here you can find the solution, not cheap, but safely
> http://www.arraysolutions.com/Products/powermaster.htm#top%20of%20page
> 73
> Jorge
> EA2LU
> 
> ----- Original Message ----- 
> From: "sasas asasas" <tzitzikas_ee at yahoo.com>
> To: <topband at contesting.com>
> Sent: Sunday, June 06, 2010 9:54 AM
> Subject: Topband: swr protection schematic 160m?
> 
> 
> >I would like to ask you if you have a schematic/idea for swr
> > protection, which will cut off the voltage (under high swr) by using a
> > relay.
> > i would like to put a relative circuit after output stage to protect my amplifier (160m band)
> >
> >
> >
> > _______________________________________________
> > UR RST IS ... ... ..9 QSB QSB - hw? BK
> >
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> 
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK

-- 
73
Brendan EI6IZ 



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