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Re: Ruining $4 Attenuators



DEMI also makes a protector now.  Phil  KB9CRY
> The first thing your 2m rig should see is something like the RF power
> protector sold by SSB electronics. It's pricey, but has saved both my step
> attenuator and UEK-3000 twice so far.
> 
> FT-847 > Protector > MFJ Step Attenuator > 80' LMR-400 > UEK 3000 d/c
> 
> 
> hasan schiers, N0AN
> 
> schiers@netins.net
> or use amsat.org or arrl.net remailer
> ----- Original Message -----
> From: <BobsImsai8800@aol.com>
> To: <amsat-bb@AMSAT.Org>
> Sent: Tuesday, August 06, 2002 11:38 AM
> Subject: [amsat-bb] Ruining $4 Attenuators
> 
> 
> > From K5GNA:
> >
> > Putting a Radio Shack 6 dB attenuator (model 15-1257, $3.95) in line with
> > your converted MMDS type of downconverter will reduce the no signal noise
> to
> > a more reasonable level.  Although there has been some debate on this BB
> on
> > reducing excess gain and noise in the RX, Dick Knadle, K2RIW, and others
> have
> > presented papers on the benefits of eliminating this excess gain, so the
> no
> > signal noise is reduced.
> >
> > However, the main benefit of the attenuator is for you to sacrifice a $4
> unit
> > instead of a downconverter (or another expensive device) when you key your
> 2
> > meter TX into the downcovnerter. You will probably key up accidentally no
> > matter how careful you are, as I have heard many stories and even done it
> > myself.  Because of the berivety of most of the accidental transmissions,
> it
> > may not burn something up every time, but it does happen. Even the step
> > attenuators can be ruined and they usually cost a lot more than $4.  The
> > first thing that your 2 meter transceiver should see is the $4 attenuator
> or
> > somthing else cheap that will can be sacrificed.
> >
> > Bob Seydler
> > K5GNA
> > ----
> > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> 
> 
> ----
> Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
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----
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