Re: Help needed connecting Alpha 86 amp to K3

Posted by Val-12 on Jan 28, 2012; 8:35pm
URL: http://elecraft.85.s1.nabble.com/Help-needed-connecting-Alpha-86-amp-to-K3-tp7232815p7232983.html

Connecting of Alpha KEY OUT to K3 TX INHIBIT is a good practice too. A
pull-down or pull-up resistor might be needed.

73, Val LZ1VB

> On Sat, Jan 28, 2012 at 10:34 AM, Robert Fanfant <[hidden email]>
> wrote:
>>
>>
>>
>>
>> My Alpha 86 has three RCA jacks:1) Relay2) ALC3) Key out What connections
>> need to be made to the K3? -rob
>
> K3 "KEY OUT" to Alpha "RELAY". That's all (apart from RF, of course!).
> Some may recommend using ALC, but it should only be as an overdrive
> protection mechanism, if used at all. Keep the drive level down so the
> Alpha is operating within (mainly grid-current) specs, and all will be
> well.
>
>    ~iain / N6ML

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