Re: [K3] K3 and Ameritron AL-811H Amplifier

Posted by Nr4c on Jan 10, 2012; 4:13pm
URL: http://elecraft.85.s1.nabble.com/K3-K3-and-Ameritron-AL-811H-Amplifier-tp7172645p7172716.html

I'm no expert on amps, but I was with a friend during Christmas who
purchased an 811H used as well.  We hooked it up to a K3, with the RCA
cable from KEY OUT>RELAY.  And it worked into a old Cantenna.  Exactly
what is the DIGOUT1 connection?  We didn't use anything but the RF cable
and the KEYOUT.

...bill  nr4c



On Tue, 10 Jan 2012 10:56:41 -0500, Ian Kahn wrote:

> All,
>
> I recently acquired a used Ameritron AL-811H for use with my K3
> (until I
> can save enough to get the KPA500).  I seem to be having issue
> getting the
> amp to respond to key down on the rig.  I have an RCA cable running
> from
> KEY OUT on the back of my K3 to the RELAY on the back of the amp.  I
> have
> DIGOUT1 on the K3 set to ON.  The amp is configured for, and plugged
> into,
> a 240V AC outlet.  When I go key down, either in CW or SSB, I only
> get a
> plate current of about 120 mA and don't get any grid current.  I
> suspect I
> have something misconfigured and the issue is operator error, but I'm
> at a
> bit of a loss as to where to look at this point.  Can anyone offer
> any
> guidance?
>
> Thanks and 73,
>
> Ian Kahn, KM4IK
> Roswell, GA
> [hidden email]
> K3 #231, P3 #688
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