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Would a TC watch be more accurate with a steady power drain from the battery or cell. versus the variable power that would result from charging/discharging the power cell?
 

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Would a TC watch be more accurate with a steady power drain from the battery or cell. versus the variable power that would result from charging/discharging the power cell?
Maybe you could clarify this question Ronald. If I understand what you're asking, though, I would think it would make no difference. The crystal itself is very isochronous, and the temp. correction would be purely digital.
 

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As long as the eco-charged battery isn't allowed to run all the way down, I think the voltage would be so close to constant that charging and discharging would make no diiference to the quartz frequency
 

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My concern is the small effects that the non constant voltage would have on the circuits providing the digital feedback and the oscillator frequency.
 
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