[SCCC] Amplifiers

[Dr. Howard S White]

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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