ALC

[Phil K3TUF]

Where is the ALC line?  I need it to attach to 144 mhz amplifier.  I have K2 only, no 100 watt option.  Use the transverter interface for rf output.
thanks
Phil

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[Don Wilhelm-3]

Phil,

There is no ALC input to the K2, and normally it is not needed.  There is
ALC internally in the K2 to keep the output level at whatever power is
selected on the POWER knob.

Adjust the output level of the K2 to the proper level to drive the
transverter to full output, and the K2 will control that level internally.

73,
Don W3FPR

> -----Original Message-----
>
> Where is the ALC line?  I need it to attach to 144 mhz amplifier.
>  I have K2 only, no 100 watt option.  Use the transverter
> interface for rf output.
> thanks
> Phil
>
>
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[Leigh L. Klotz Jr WA5ZNU]

On a related subject, ff you have a KAT100 (not likely if you are using
a transverter) the Vrfdet line from it takes precedence over the KAT2 or
internal RF detector in the K2 and the power control will make the
output at the KAT100 match the knob setting on the K2.  This is a
problem if you have a KAT100 and a non-Elecraft amplifier, so Gary
suggested I not bring Vrfdet into the K2 from the KAT100 and that fixed
it for me, so it reads K2 output power again.

Leigh / WA5ZNU
> Don Wilhelm wrote:
> Phil,
>
> There is no ALC input to the K2, and normally it is not needed.  There
> is
> ALC internally in the K2 to keep the output level at whatever power is
> selected on the POWER knob.
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[Don Wilhelm-3]

Leigh,

I don't think that applies in this particular case, it is however good
information to pass along for those with a setup like yours.

Phil said he was using the transverter interface for output, and I assume
that means the K60XV output.
The K60XV has its own source for VRFDET, so it would control the input level
to the transverter when the low level output is selected.

73,
Don W3FPR

> -----Original Message-----
>
> On a related subject, ff you have a KAT100 (not likely if you are using
> a transverter) the Vrfdet line from it takes precedence over the KAT2 or
> internal RF detector in the K2 and the power control will make the
> output at the KAT100 match the knob setting on the K2.  This is a
> problem if you have a KAT100 and a non-Elecraft amplifier, so Gary
> suggested I not bring Vrfdet into the K2 from the KAT100 and that fixed
> it for me, so it reads K2 output power again.
>
> Leigh / WA5ZNU
>

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[Vic K2VCO]

Leigh L Klotz, Jr. wrote:

> On a related subject, if you have a KAT100 the Vrfdet line from it
> takes precedence over the KAT2 or internal RF detector in the K2 and
> the power control will make the output at the KAT100 match the knob
> setting on the K2.

I like this feature.  It means that the system automatically compensates
for losses in the KAT100.  I know that when I switch in the internal
tuner in my TS850s, I see the power output drop on my external meter.
Not so with the K2/100-KAT100 combination.

I know, it's inaudible fractions of a dB, but I'm obsessive.

--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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