[Amps] NXP 65V LDMOS 1K80H-1800W

[kstover at ac0h.net]

I don't "know" that for sure but can't imagine Elecraft taking a step
backward from the excellent KAT500. I'm betting they used the KAT500 as a
starting point for the tuner in the KPA1500.

-----Original Message-----
From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Jim Brown
Sent: Monday, December 25, 2017 12:42 PM
To: amps at contesting.com
Subject: Re: [Amps] NXP 65V LDMOS 1K80H-1800W

On 12/25/2017 7:02 AM, kstover at ac0h.net wrote:
> Other than  that they've  ALL been SSPA's. The top of the line SPE and 
> the KPA1500 include auto-tuners. The one in the Elecraft is 
> exceptional.

How do you know that? As far as I know, Elecraft hasn't yet shipped
production quantity of this amp, and only a handful are outside the factory.
My neighbor, K6XX, an Elecraft production engineer, has been field testing
one for a while. Yes, Elecraft has been building fine tuners for nearly 20
years, and the KAT500 tuner is quite good. I own two, and was a beta tester.

73, Jim K9YC

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