[Elecraft] KPA1500 parameters

[tony.kaz at verizon.net]

Hi Dave,Yeah, sounds like it. Waiting for feedback from Elecraft support.At least I have the KPA500 as backup.N2TK, Tony


-----Original Message-----
From: Dave <rocketnj at gmail.com>
To: tony.kaz at verizon.net
Cc: K8UT at charter.net; elecraft at mailman.qth.net
Sent: Wed, Jul 7, 2021 8:55 am
Subject: Re: [Elecraft] KPA1500 parameters

Hi Tony,

Sounds like you might have lost one of the LDMOS devices. 

73
Dave wo2x

Sent from my waxed string and tin cans. 

> On Jul 7, 2021, at 7:16 AM, N2TK via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> Thanks Larry.Just wanted to confirm what I was seeing wasn't normal.All of a sudden with 25W drive I get Pwr - 530WCurrent - 29AVoltage - 53V with no drive or 25W drive.
> N2TK, Tony
> 
> -----Original Message-----
> From: Larry (K8UT) <K8UT at charter.net>
> To: tony.kaz at verizon.net; elecraft at mailman.qth.net <elecraft at mailman.qth.net>
> Sent: Wed, Jul 7, 2021 4:35 am
> Subject: Re: [Elecraft] KPA1500 parameters
> 
> 25 in, 1322 out, 43% efficiency, 51.7 volts @ 59 amps with 1.5:1 SWR.
> 
> (see screenshot)
> 
> -larry (K8UT)
> 
> ------ Original Message ------
> From: "N2TK via Elecraft" <elecraft at mailman.qth.net>
> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
> Sent: 2021-07-06 23:48:27
> Subject: [Elecraft] KPA1500 parameters
> 
>> What do you typically see for Power Out, Voltage and Current with 25 and 30W drive on 20M?TnxN2TK, Tony
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