[Elecraft] KPA 500 - Can you use it on AM?

Don Wilhelm donwilh at embarqmail.com
Wed Feb 27 22:00:42 EST 2019


Mike,

You can use the KPA500 on AM at the full 500 watt rating.
BUT remember that the power is Peak to Peak.
So you will not get 500 watts of carrier and a total of 500 watts of 
sideband energy.  You will get 250 watts of carrier and 125 watts of 
sideband energy in each sideband - for a total of 500 watts PEP.

If you are long-winded on AM, you should reduce the power - check the 
temperature.

73,
Don W3FPR

On 2/27/2019 9:20 PM, Mike Lichtman via Elecraft wrote:
> I know the KPA 500 is designed for SSB and CW, but I have always wondered if you can use a KPA500 on AM and, if so, what would be the maximum wattage you should use? The manual
> doesn’t say anything about it.  73 Mike KF6KXG
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