[Amps] 10 KW CCS ON 6M...USING THE 3CX-6000A7... PART 12

[Michael Tope]

The first article that Jim posted below suggests running TLW. I've been 
using TLW for years, but recently when I tried to run it for something I 
was doing at work, I discovered it no longer works on my Windows 
computer. Anyone else run into this? Is this a Windows 10 thing?

By the way, good article, Jim!

73, Mike W4EF.........

On 11/24/2022 6:03 PM, Jim Brown wrote:
> On 11/24/2022 2:35 PM, Steve Thompson wrote:
>> For sure the stub (looking like a short to even harmonics) works best 
>> when combined with some series inductance to work against. Hopefully 
>> the load cap is already a low impedance to harmonics so the short 
>> circuit of stub won't do so much when added across it - but it 
>> shouldn't do any harm either, and appeals to my laziness compared 
>> with having to manufacture a nice choke like you did.
>
> Take a look at the fundamental concepts in these two links, which 
> address the placement of stubs for harmonic suppression at HF. The 
> first doc ran in National Contest Journal about five years ago, 
> correcting some less than ideal work published a year earlier, the 
> second is the slide deck for a talk I did at Visalia around the same 
> time. My work got pretty thoroughly peer reviewed.
>
> http://k9yc.com/LocatingStubs.pdf
> http://k9yc.com/StubPlacement.pdf
>
> Some of the same techniques are used with cavity filter networks.
>
> 73, Jim K9YC