[Amps] Vacuum Relay Question

[Jim]

But there is no lightning inside of an amplifier... Hopefully. :)


Thanks
73
Jim W7RY

On 7/26/2021 12:59 PM, Jim Brown wrote:
> I don't understand this concern. Vacuum relays have been widely used 
> for decades for antenna switching in power amps, where the impedance, 
> and thus voltage and current, are the same as for this application.
>
> What am I missing?
>
> 73, Jim K9YC
>
> On 7/26/2021 3:08 AM, Rob Atkinson wrote:
>> I would not use a vacuum relay in a matching network for a 1/4 w.
>> antenna.   That's a low v. high current setup calling for open frame
>> contactors or at least large open relays.  Perhaps this information
>> will render your question moot.
>
>
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