[Boatanchors] Alignment Question: High Side of Osc. vs Low Side

[Ian Wilson]

One way is to use a signal generator. You should be able to set the signal
generator at LO+IF and LO-IF and hear a heterodyne.

73, ian K3IMW



On Mon, Jun 3, 2013 at 1:21 PM, Mark Johnson <mvjohn at sympatico.ca> wrote:

> Team,
>
> An issue that has always been unclear to me when doing an alignment of a
> receiver. Some receivers have you adjust the local oscillator frequency to
> the high side of the incoming signal and some to the low side. Some
> receivers have you do either depending on the band your aligning. Example
> I'm checking out a Hallicrafters SX-110 and the oscillator frequency is
> adjusted to the high side of 3 of the 4 bands and the low side on the 4th
> band.
>
> I understand the theory but how do I actually know or test for this during
> the alignment process? That is, if instructed to adjust the oscillator to
> the high side vs the low side, what do I test for or do to insure I'm on
> the high side?
>
> Thanks very much.
>
> Mark VE3LU/VE3DJU
>
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