Dan Levin wrote:
> As I mentioned in an earlier posting, I've been thinking
> about a 1500 watt HF solid state linear. It turns out
> that I am not alone - several fellow travellers are
> further down the road than I.
>
> While most folks seem to be using 50 volt MRF-150 type
> parts, I've run into two companies that are building
> higher voltage, plastic packaged, RF amps. IxysRF
> makes 150 volt parts, and Advanced Power Technology
> makes 125 volt parts. They are interesting for a
> variety of reasons, but one is that they are much
> cheaper than MRF-150 type parts :-)
>
> Two questions:
>
> 1) Does anyone have experience or opinions about these higher
> voltage parts, e.g. the APT ARF463A/B?
I have a recollection that at least some of the parts in the family were
good for flat out power, but struggled with linear operation - I think it
was in connection with a 6m amp design. There might be something among the
app. notes.
Steve
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