[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

Re: ARR vs SSB preamps



I've used both.  For the reasons Stan stated so well, I prefer the SSB. 
Especially at 2m, strong-signal handling is at least as important as NF,
and more so than the last 0.1 db or so that the ARR might have.

Good luck!
73,
Jim
wb4gcs@amsat.org


Stan wrote:
> 
> Hello Karl,
> 
> Both brands will have low noise figure and decent gain performance.
> 
> However.....
> 
> Depending on your RF electromagnetic environment, The ARR preamplifier
> is
> broader then the ham band and other nearby commercial emitters may
> saturate it.
> like FAA radios, pagers, TV stations, etc.
> 
> The band pass filter in the SSB or LANDWEHR mast mounted preamplifiers
> have greater immunity from out of band energy.
> 
> I prefer the LANDWEHR, the pass band is narrow and where I want it,
> and was the cost effective choice.
> 
> Stan, WA1ECF    Cape Cod, MA  FN41
> 
> Karl Sandstrom wrote:
> >
> > Has anyone used the Advanced Receiver Research 435Mhz preamps?  I see they
> > have one that is RF switched up to 160 watts, model MSP432VDG-160.  Of
> > course SSB has the SP-7000 with helical filers.
> >
> > Does anyone have an opinion on which is better??
> >
> > Thanks in advance & 73 for now.
> >
> > Karl R. Sandstrom, K5MAN
> > Greenwell Springs, Louisiana
> > k5man@arrl.net / k5man@amsat.org
> >
> > ----
> > 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.
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org

----
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org



AMSAT Top AMSAT Home