[TenTec] TT 238C will not tune

Richards jrichards at k8jhr.com
Sun Jul 28 01:52:02 EDT 2013



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.

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	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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