[TowerTalk] T-Network Calculator Spreadsheet
David Gilbert
ab7echo at gmail.com
Thu Sep 23 00:58:10 EDT 2021
You didn't actually look at the spreadsheet, did you ...
Dave AB7E
On 9/22/2021 8:25 PM, Richard (Rick) Karlquist wrote:
> I usually use Simsmith for this sort of analysis. I believe it
> imports "touchstone" files from your VNA, etc. Why reinvent the
> wheel?
>
> 73
> Rick N6RK
>
> On 9/22/2021 7:12 PM, David Gilbert wrote:
>>
>> There are several online T-Network and L-Network calculators out
>> there, as well as various standalone applications that do the same
>> thing. My problem with most of them, though, is that every time I
>> change the frequency or change the complex load values (or typically
>> both), the network gets recalculated for the new values. That isn't
>> necessarily the real world, though, where fixed networks might be
>> used at the feedpoint of an antenna or somebody just doesn't want to
>> bother retuning
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