[ARC5] Smart People: IF Curve- What Am I Doing Wrong?

[AKLDGUY .]

> I took from the first description that both the rf and the if strips are
tuned and that the if tuning tracks with the rf tuning from
> *one* knob. Beyond that difference between your 'understanding' and my
'understanding' of the first description I suspect
> you are on the right track (pun intended) that changing those caps has
upset the tracking between the two (three?)
> sections. That would cut sidebands and reduce output akin to some of the
"bandpass shift" schemes but unintended and
> uncontrolled. Just my wild guess from my own lack of information.
>
>
> 73,
>
> Bill  KU8H

Hi Bill
Yes you've grasped the substance of what I meant, and I see that Mr Stinson
seems to think it's the likely cause.

73 de Neil ZL1ANM


On Wed, Apr 9, 2014 at 12:40 AM, Bill Cromwell <wrcromwell at gmail.com> wrote:

> Hi Neil,
>
> I took from the first description that both the rf and the if strips are
> tuned and that the if tuning tracks with the rf tuning from *one* knob.
> Beyond that difference between your 'understanding' and my 'understanding'
> of the first description I suspect you are on the right track (pun
> intended) that changing those caps has upset the tracking between the two
> (three?) sections. That would cut sidebands and reduce output akin to some
> of the "bandpass shift" schemes but unintended and uncontrolled. Just my
> wild guess from my own lack of information.
>
> 73,
>
> Bill  KU8H
>
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