[time-nuts] Dual-bandwidth loop for VCO phase lock

[Bob Camp]

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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