[Elecraft] K3: Receive Ant Question

[Brian Alsop]

Hi Don,

Correct me if I am wrong.

The back panel diagram of the K3 shows two BNC's labed RX antenna.  I 
thought the thread originator was referring to this input path for a RX 
antenna. It's what I use for RX antenna input.

I see "spark gaps" on the inputs on those pages you quote.  I don't see 
a carrier operated relay for the above BNC's.  If it is there. I don't 
see it on the schematics.  The relay that is there is to complete the 
rx/tx circuit when the BNC's are not in use.  At least that's what I can 
glean from the circuit.

The aux antenna BNC didn't come till later when the subrx and diversity 
reception became a reality.  It does have a real relay that goes click, 
click with too much RF.  It also has a spark gap protector.

73 de Brian/K3KO





On 11/13/2013 22:56, Don Wilhelm wrote:
> All the antenna configuration diagrams in the K3 manual show a COR on
> the RX ant input.
> See pages 41 through 44.
>
> 73,
> Don W3FPR
>
> On 11/13/2013 5:43 PM, Brian Alsop wrote:
>> Guys,
>>
>> I thought he said RX antenna input.  The COR is on the aux ant input.
>> There is no COR on the RX antenna input (it's not needed, I think.)
>>
>>
>> 73 de Brian/K3KO
>>
>
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