[Elecraft] KPA1500 duty cycle

[Eric Swartz - WA6HHQ, Elecraft]

Hi Erik,

Yes, the amp can run indefinitely on 50 Mhz with 50 sec key down TX at 
continuous 1500W carrier followed by 50 sec in RX. We specifically were looking 
at 100% carrier modes like JT65 etc. when we conservatively specified this.

73,
Eric
/elecraft.com/

On 2/14/2018 11:07 AM, Erik Basilier wrote:
> A recent Elecraft newsletter stated that "the KPA1500 is a high duty cycle
> amplifier compatible with most digital modes ranging from RTTY through JT65
> etc.". The KPA1500 manual specifices  for 50 MHz "Maximum 50 sec key down /
> 50 sec standby (Rec. Min Fan Speed set = 2)".
>
> My question: For the 50 MHz scenario of alternating 50 sec carrier and 50
> sec standby, how much testing has been done? Has anyone run this way for
> days on end?
>
> 73,
> Erik K7TV
>
>
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