[Amps] Questions about Amp Supply LK-450

[R.Measures]

On Sep 12, 2004, at 7:55 AM, Keith E. Spainhour wrote:

> Hello,
> Thanks I will try that on 160.

There should also be some disk-ceramic padder-C for 80m.

>> Keith -- The problem is probably being caused by the Tune-C and Load-C
>> padders on 160m.  The original disk ceramic padding capacitors need to
>> be replaced with RF-current-rated capacitors that are intended for
>> tuned circuit applications.  note -- common 500pF and 1000pF doorknob
>> caps are not intended for tuned circuit applications.  When all is
>> well, you should see c. 750w-pep on 160m.
>>
>>> The tuned input seems to
>>> have little effect on input SWR. although the input SWR is around 1.2
>>> to
>>> 1.5. according to my MFJ analyzer.
>>
>> At what power level was the SWR measurement taken?
>
> At first, with a MFJ-269 analyzer, virtualy no power, the driven with a
> Kenwood ts-940s with a Daiwa swr/wattmeter inline. Although I did not 
> see
> much of a change in SWR from one setup to another.
>
Thank you.

> Take Care,
> Keith Spainhour, KT4XW
>
>
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org