[TowerTalk] Circuit Board Question
Jim Lux
jimlux at earthlink.net
Sat Aug 2 18:23:48 EDT 2014
On 8/2/14, 1:40 PM, Steve Hunt wrote:
> You're correct that any power dissipation due to the voltage will be
> twice the matched case dissipation. But I thought - perhaps mistakenly -
> we were still discussing voltage breakdown?
>
Rick pointed out that at kilowatt power levels, voltage breakdown may
not be the real design limit.. thermal dissipation in the dielectric or
copper might be the limit. It may not arc over, but if it melts just
the same, it's no fun.
> Steve G3TXQ
>
>
>
> On 02/08/2014 21:25, Richard (Rick) Karlquist wrote:
>>
>> Yes, we all know this, but power loss is proportional to the
>> SQUARE of the voltage, so it is doubled for 2:1 SWR in the worst
>> case. Am I missing something?
>>
>> Rick N6RK
>>
>>
>
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