[SCCC] Amplifiers

[Don Jones]

The Kpa1500 works well on six meters.

I have also used an Expert 1.3KFA on 6m FT8 and Q65 EME (60 second
transmissions) without any issues.

Don 7Q6M

On Fri, Mar 10, 2023, 12:52 AM Dr. Howard S White <drpaper at kleega.com>
wrote:

> ICAS usually implies 50% or lower duty cycle
>
> 100% duty cycle ICAS implies CCS
> Same as key down operation
>
> The PGXL is a 2KW Amp rated at 100% duty cycle ICAS when running at 1500W
>
> __________________________________________________________
> Howard S. White Ph.D. P. Eng., KY6LA
> Website: www.ky6la.com
> "No Good Deed Goes Unpunished"
> "Ham Antennas Save Lives - Katrina, 2003 & 2007 San Diego Fires, 911"
> Sent from my iPhone
>
> On Mar 9, 2023, at 8:18 PM, Steve Harrison <k0xp at k0xp.com> wrote:
>
> I don't understand what "100% duty cycle ICAS" means... How can it be
> both?
>
> On 3/9/2023 7:23 PM, Dr. Howard S White wrote:
> > Take a look at the Power Genius XL...easily rated at 2KW on FT8
> continuous duty
> > Loafs along at 1.5KW USA Limits.
> >
> >
> https://www.flexradio.com/products/powergenius-xl/?matchtype=b&network=g&device=c&adposition=&keyword=flex%20radio%20amplifier&gclid=Cj0KCQiApKagBhC1ARIsAFc7Mc4P1Ahh5Sjxq8xw_5hljv48vR6rfQWUXRlJx8bKMqlaAF_eNn97EI4aAiA6EALw_wcB
> >
> >
> > __________________________________________________________
> > Howard S. White Ph.D. P. Eng., VE3GFW/K6  ex-AE6SM  KY6LA
> > Website: www.ky6la.com
> > "No Good Deed Goes Unpunished"
> > "Ham Antennas Save Lives - Katrina, 2003 & 2007 San Diego Fires, 911"
> >
> > -----Original Message-----
> > From: SCCC <sccc-bounces at contesting.com> On Behalf Of Raymond Benny
> > Sent: Thursday, March 09, 2023 6:31 PM
> > To: Dennis Younker NE6I <NE6I at cox.net>
> > Cc: southern california contest club <sccc at contesting.com>
> > Subject: Re: [SCCC] Amplifiers
> >
> > Hello Dennis,
> > I purchased a KPA1500 a couple of years ago. Its a nice amp with all
> bands included, it works well!
> >
> > My only drawback is when one of my antennas developed a bad intermittent
> connection that caused the amp matching problems. I continued transmitting
> thinking it was no big deal, but it eventually caused one of the two RF
> modules to go dead.
> >
> > Guess it was my fault, but it cost me close to $600 for repairs and
> shipping.
> >
> > In the future, I may purchase another KPA1500, but like you, I'd do some
> comparison shopping to see if there may be others that have better internal
> protection.
> >
> > Ray
> > N6VR/W7YA
> >
> > On Thu, Mar 9, 2023, 6:57 PM Dennis Younker NE6I <NE6I at cox.net> wrote:
> >
> >> Hi all,
> >>
> >>
> >>
> >> Anyone here running the Acom 2000a, Acom 2020S or the Elecraft
> >> KPA1500? I'm looking at the three of these, mainly to add power on 6m
> >> but this purchase would become the primary amp and move my existing
> >> 160-10m amp to the backup position here. Curious about your experience
> with any of these three.
> >> Thanks.
> >>
> >>
> >>
> >> --Dennis NE6I
> >>
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> >>
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