[Elecraft] Use of K3 Antenna Tuner to match amplifier input
Radio Amateur N5GE
n5ge at n5ge.com
Fri Sep 18 03:10:51 EDT 2009
On Thu, 17 Sep 2009 18:25:10 -0500, Radio Amateur N5GE <n5ge at n5ge.com>
wrote:
>On Thu, 17 Sep 2009 20:20:42 +0000, "Lance Collister, W7GJ"
><w7gj at q.com> wrote:
>
>>The SWR is 3:1 according to the SWR meter on the K3. The amp is a solid state TE
>>SYSTEMS amp with an untuned input, which is why I want to try to use the K3 antenna
>>tuner to match into it. TNX for your suggestions. VY 73, Lance
>
>Lance,
>
Just to correct an error in the original; It is the 0552G I was
referring to...
>I have one of the TE Systems 0532G amps. In the manual on page 6-2
>are instructions for tuning the amp's input SWR.
>
>One more thing!
>
>Important! Do not drive this amplifier at more than 16w input un less
>you know foe certain that your transmit power does not have a short
>peak output greater that 25 watts at the beginning of TX when driving
>the amp with 20 to 25 watts. If the TX does have this anomaly the
>finals will be damaged.
>
>I had been driving mine with k3 #806 at 20 watts and found this out
>the hard way. They ain't cheap to fix.... I now drive it with 16
>watts as recommended in the pink sheet that comes with new TE Systems
>0532G amps.
>
>Tom, N5GE
>
>n5ge at n5ge.com
>K3 #806, K3 #1055, PR6,
>XV144, XV432, KRC2,
>W1 and other small kits.
>http://www.n5ge.com
>http://www.swotrc.net
>
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