[time-nuts] Dual-bandwidth loop for VCO phase lock
Bob Camp
lists at rtty.us
Tue Jul 2 16:10:24 UTC 2013
Hi
The "dual speed loop" stuff generally was focused on cell phone synthesizers. It's generally a little more complex for a gizmo where you want both settings to be pretty slow / very accurate.
Bob
On Jul 2, 2013, at 10:27 AM, Perry Sandeen <sandeenpa at yahoo.com> wrote:
> List,
>
> In sorting through my mountain of old papers preparing for our moving, I cam across an article that I had saved from Electronics magazines "Engineer's notebook" in 1975.
>
> The article was titled "Dual-bandwidth loop speeds phase lock"
>
> I OCR'd it and re-drew the illustrations and schematic. I would be glad to email a copy to anyone who would like it.
>
> The schematic doesn't show values and I don't have the skills needed to determine the values. So if someone can calculate them I would appreciate getting them and I will add them to the schematic.
>
> Regards,
>
> Perrier
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