On 13/08/2011 06:38, Roger (sub1) wrote:
> On 8/13/2011 12:34 AM, MIKE DURKIN wrote:
>>
>>
>>
>>
>> So how much already ??
>>
> The only prices I could find were on foreign sites, but it "appears"
> they run about the price of an imported 8877 or between $700 and $800
> each. At least that's according to what I could find.
>
> I'd settle for paralleling a bunch of lesser pricey 3 legged fuses with
> lots of protection which is essentially what the commercial amp
> manufacturers have done in the past.
>
> 73
>
> Roger (K8RI)
I have no pricing on the BLF578XR but new BLF578 (genuine, not Chineese
copies) were available on ebay.co.uk for GBP £85.00 each... I purchased
some for my QRO 144MHz amp and they're fine.
The Freescale MRFE6VP61K25H which is a similar device to the BLF578XR is
available for EUR €239.00 inc. sales tax in Europe (about USD $340.00) each.
There's also a PCB and kit of parts that can be used for the Freescale
or NXP parts to build a 1KW amp for 144MHz, here at RF Ham:
http://www.rfham.com/index.html?c84.html
Mike G8TIC
>
>
>
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