[TenTec] TT 238C will not tune

[Robert Mcgraw]

If 0 is maximum inductance.....good.  If 0 is minimum inductance.....not
so good.  Some value of C is correct for determining the HiZ or LoZ
switch setting initially.

73
Bob, K4TAX


>
>
> On 7/27/2013 7:15 PM, Bob McGraw - K4TAX wrote:
>    Now if the inductance is maximum value then
>> it is very apparent where Z should be located, either on the input of L
>> or the output of L.  I believe it general practice to start with
>> maximum
>> inductance for adjustment of any L network.
>
> _____________________________________________
>
>
> 	Hmmm...  so it appears the instruction manual
> 	does not describe the best approach?  I understood
> 	the user manual to say I should start with zero
> 	on the Inductor, and the Capacitor at around 2.
>
> 	In contrast, based on your description, it appears
> 	I would be better off starting with the inductor in
> 	the middle - away from either end - and that starting
> 	there will make it more obvious what initial capacitor
> 	setting to select on the BYPASS	switch.  I know that
> 	is not "maximum" - but it would assure that I started
> 	working against a substantial inductance, rather
> 	than zero.
>
> Or... have I misunderstood?
>
> ---------- Thanks - K8JHR  -----------------------
>
>
>
>
>
> --.
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