[ARC5] BC-453B dial calibration saga.

[AKLDGUY .]

I would look for a bad or missing decoupling cap near the oscillator.

An open circuit or missing cap won't pull down the circuit to RF ground,
so all that's decoupling the circuit is wiring capacitance.

73 de Neil ZL1ANM

On Fri, Jul 28, 2017 at 4:10 PM, Waldo Magnuson <magnuson at mac.com> wrote:

> Hi,
>    I'm still trying to get the dial reading to be a little more accurate.
> The closest I can get on the 210 kHz alignment is about 216 with C-9 fully
> unmeshed.  So I thought I would add a little more inductance to L-5 so I
> could align to 210 kHz.  Now the closest I can get is 230 or so.  I
> increased L-5 by adding a small ferrite core above the slug.
>    Am I thinking wrong?  Comments?  Thanks.
> Skip Magnuson
> Spokane, WA
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