[Elecraft] K3 - Accessory Jack - How Many Wye Cables?

[W0MU Mike Fatchett]

This is an issue.  If you have a band decoder, want to run the preamp, 
the amp, tuner, and say a Microham device.  I have used multiple Y 
adapters successfully.

Mike W0MU

On 5/12/2014 6:04 AM, Don Wilhelm wrote:
> Rich,
>
> I assume you also have a KPA500 in the mix.
> The problem is not with adding another "Y" cable, but the possibility 
> that the other device will interfere with the band signalling to the 
> KPA500.
> If that other device has pullup resistors, that can create problems, 
> especially if the pullups are to some voltage other than 5 volts. You 
> may have to add isolating diodes to that device (the KPA500 does have 
> those protection diodes on the band data lines).
>
> If it has no pullup resistors, then it may be OK.
>
> 73,
> Don W3FPR
>
> On 5/12/2014 7:48 AM, Richard Thorne wrote:
>> Currently I have a wye cable attached to the accessory jack on the 
>> back of my K3 which in turn is connected to a microham device and the 
>> KAT-500 tuner.
>>
>> I have a need to supply band data to another device, can I connect 
>> another wye to the current wye so I can connect 3 devices to the 
>> accessory jack?
>>
>
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