[Elecraft] Diode Matrix for Band Out on K3

[Brian Alsop]

As is, it doesn't decode 6M.   Additional logic and hardware would be 
required to decode the 1010 BCD output for 6M.
73 de Brian/K3KO

On 10/7/2010 22:51, Dave Hachadorian wrote:
> Here's a great inexpensive band decoder:
> http://www.unifiedmicro.com/decoder.html
>
> The outputs are open collector. If you need a 12vdc source
> instead, you will need to have a line driver or relay for each
> output.
>
> Older K3's will require the External Band Data Pullup part of the
> K3 Negative ALC and Ext Band Data Pull-up Mods in order to work
> with this unit. Or, you can buy a REMIOUPGD modified KIO3 Board
> from Elecraft for $20.
>
> Newer K3's are good to go with no mods.
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
>
>
>
>
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