[Elecraft] {OT} - Variation on use of a coaxial switch

stan levandowski sjl219 at optonline.net
Fri Dec 30 18:52:45 EST 2016


Thank you, Don. An Alpha Delta has that isolation. I thought it would be 
OK but as a hobbyist and not a pro, I don't know what I don't know. 
 Happy New Year.
Stan WB2LQF


On Fri, Dec 30, 2016 at 06:44 PM, Don Wilhelm wrote:

> Stan,
>
> If your maximum power is 100 watts and the isolation of the switch is 
> 40dB or more then I don't think you have any problem.
>
> 73,
> Don W3FPR
>
> On 12/30/2016 5:49 PM, stan levandowski wrote:
>> I would like to use a coaxial switch for an unintended use and I'm 
>> not
>> sure if it's a good idea in terms of RF isolation and potential
>> equipment damage.
>>
>> I'm no expert in this area but I know this list is a wealth of expert
>> opinion, so here's my question:
>>
>>
>> I want to buy a two position coaxial switch.  I want to connect ONE
>> antenna to it and switch this antenna between a KX2/KXPA100 (100 
>> watts)
>> and a KX1 (about 3 watts).  The coax cable coming from this switch to
>> the KX2 is a short piece of RG8X and the coax cable going from this
>> switch to the KX1 is 25' of RG-174 (yes, I already computed the dB 
>> loss
>> and I can live with).
>>
>>
>> Am I likely to cause any damage to to either piece of equipment?
>>
>>
>> Thanks,
>> Stan WB2LQF
>>
>>
>>
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