[Elecraft] K3 keying Alpha 374A/76A

[Robert Harmon]

I use an Alpha 76PA with my K3 and no problems.

73,
Bob
K6uj

On 11/3/15 11:48 AM, Elliott Lawrence wrote:
> I use the default setting TX Dly 008 with my 87A with no problem.  I would think that it would work fine also with the contempory 76s etc.
> 73
> Elliott WA6TLA
>
>
> On Nov 3, 2015, at 11:26 AM, Don Wilhelm <w3fpr at embarqmail.com> wrote:
>
>> Scott,
>>
>> The K3 KEYOUT can handle up to 200 volts as long as it is a positive voltage.  So +20 volts is no problem.
>>
>> I cannot comment on the delay settings, I don't have an Alpha amp.
>>
>> 73,
>> Don W3FPR
>>
>> On 11/3/2015 9:51 AM, Scott via Elecraft wrote:
>>> Out of an overabundance of caution I thought I'd ask first....
>>>   My manuals for my old Alphas suggest the amplifier keying line is 20
>>> something volts DC +, and the K3 manual says I can key way more than that +  DC.
>>>   So I just wanted to confirm (or learn more):
>>>   1) I shouldn't worry about any kind of an outboard relay system,  and
>>>   2) was curious if there is any other advice re delay settings etc.  when
>>> using the K3 with old Alphas like the 374A and 76A.
>>>   
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