On 29 Sep,  
     Bernard Peek <bap$@shrdlu.com> wrote:

> It's potentially true. It depends on the amount of play in the way the 
> gears are mounted and the accuracy of the timebase oscillator. 
> Electronic oscillators can be made very stable but there are practical 
> limits to how well you can build a gear-train.
> 
That may result in jitter, but not a long term lack of accuracy. The locking
of oscillators is another piscine boiler. In 35 years of jbex in electronics,
I'd say that the gears were inherantly (barring gross errors due to seizure
and breakage) more stable than phase locked oscillators.

-- 
Braïn D [13435]
[13435]Change lycos to yahoo to reply.