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Re: [Amps] New NXP BLF578XR 1200W LDMOS FET is "indestructible"

To: amps@contesting.com
Subject: Re: [Amps] New NXP BLF578XR 1200W LDMOS FET is "indestructible"
From: W2XJ <w2xj@nyc.rr.com>
Reply-to: w2xj@w2xj.net
Date: Fri, 22 Jul 2011 12:15:31 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
If the device is operated as a class T amplifier, the lower practical 
frequency limit would be around 40 kilohertz or less.

On 7/22/11 12:04 PM, Ron Youvan wrote:
> Pete N4ZR Smith wrote:
>
>> I wonder why 10 MHz is the lower limit?
>     I suspect the "device" is ordinary, it is the "built-in protective 
> circuit" that protects it and
> has that low frequency limit.  (tiny torus core)  Reflected power reduces 
> drive internally.
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