[Elecraft] KAT500 Antenna Grounding

Wes Stewart wes_n7ws at triconet.org
Mon Sep 17 23:30:10 EDT 2018


Unpowered, the input is connected to Ant 1.  Each output has a 1 meg resistor to 
ground, other than that just open relay contacts.

Wes  N7WS.


  On 9/17/2018 7:00 PM, Bob McGraw K4TAX wrote:
> I didn't find the answer in the manual, so I'll ask here.   I do see in the 
> manual where bleed resistors are applied to the unused antenna terminals to 
> bleed off static charges.  {page 15, Antenna Selector......... etc}
>
> My question, do the relays in the tuner take the center conductor of all three 
> antenna terminals to ground when power is removed? I see that it switches to 
> ANT 1 when power is off.    I suppose I could remove the covers and explore 
> for myself, and I'll do just that if no one confirms one way or the other.   
> Anyone have a schematic?  That would be nice.
>
>
> 73
>
> Bob, K4TAX
>



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