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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