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by
Ciro Santilli
(@cirosantilli,
25
)
Quartz clock
wiki
Video 1
. How a quartz watch works by
Steve Mould
(2017)
Source
. Mentions
feedback loop
loop with the
quartz
tuning fork
for the
piezoelectricity
and an
amplifier
. Also mentions the choice of 32768
Hertz
(
2
1
5
) as the first power of 2 that is outside of the
human hearing range
, and then how a
frequency divider
is used to reduce the frequency to get the
second
counter.
Ancestors
Clock
Time
International System of Units
List of systems of units
System of units
Physics
Natural science
Science
Index
Incoming links
Atomic clock
Quartz
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