[Amps] Advice needed for SS amp

[Bill Turner]

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On Thu, 6 Jun 2013 00:44:23 +0000 (UTC), KG7HF wrote:

>Hi Bill,
>I had an amp using the MRF1500 parts, based on the commercial  Tokyo high power design.   
>
>I also talked to the THP guys for a while at Dayton and they are phasing out their ARF1500 design using the Microsemi.  The reason I was told is because of quality issues with the parts themselves.
>
>IMHO, it may be better to go with the NXP BLF578XR since it is a 1500W part although it is only 50V.
>
>Paul,
>kg7hf

REPLY:

Very interesting. My original thought was the NXP part but I was tempted by
the idea of a transformerless power supply and that means way more than 50
VDC. 

Do you have a schematic of your ARF1500 amp? You said MRF, but I think that
was a typo, right?

73, Bill W6WRT