[Elecraft] New KAT500 pics from the Visalia DX convention

Tue Apr 24 19:24:53 EDT 2012

Is there an option to replace the SO239s on my K3 with BNCs?

Sent from my iPad

On 25 Apr 2012, at 00:15, Don Wilhelm <w3fpr at embarqmail.com> wrote:

> The 500 volts peak translates to 1250 watts at an SWR = 1.0, but the 
> 1,500 V rms translates into 45 kW (also at SWR = 1.0)  if my calculator 
> is correct.   In ant case, BNC connectors do not have a problem at the 
> 500 watt level unless the SWR is high.
> 
> On 4/24/2012 6:57 PM, Ron D'Eau Claire wrote:
>> BNC's can handle kilowatts of RF efficiently at reasonable SWRs. After all,
>> the popular type N is simply a BNC with a screw-on outer shell.
>> 
>> Decent quality BNCs (e.g. Amphenol) are rated at 500 volts peak with a
>> dielectric that will handle 1,500 V rms. That's 5 KW into 50 ohms, if my
>> brain is working correctly, so they should handle the legal limit for US
>> Hams into any reasonable SWR.
>> 
>> Ron AC7AC
>> 
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