[CQ-Contest] Help for pull-up resistors

[Dave Hachadorian]

----- Original Message ----- 
From: <PaulKB8N at aol.com>
To: <CQ-Contest at contesting.com>
Sent: Tuesday, March 04, 2008 7:39 PM
Subject: [CQ-Contest] Help for pull-up resistors


> Sorry, this is a bit off topic, but I can't find anything 
> in the K-3
> archives on this.
>
> I've have a new K3 coming in tomorrow and want to do 
> antenna switching via
> the band-data outputs.
>
> I've purchased the W9XT band decoders but cannot ascertain 
> how to wire the
> "pull up resistors" to the W9XT card inputs.  How are they 
> wired, in  series?
> What kind of voltage is applied and where?  What resistor 
> value is
> recommended?
>
> Anyone who can help out there?  Sorry for the bandwidth, 
> guys!   Just want to
> get everything up and running as soon as possible.
>
> Thanks,
>
> Paul, K5AF

You need four 10k resistors. Tie one end of all four 
together to the terminal +12VDC.

At the other end of the resistors, one of each goes to input 
terminals ABCD, tied to the wires coming from the K3.

Dave Hachadorian, K6LL
Yuma, AZ