Hello Uwe,
Le 02/12/2013 08:50, Uwe Kleine-König a écrit :
Hello,
On Wed, Nov 27, 2013 at 01:44:44PM +0100, Boris BREZILLON wrote:
The clock accuracy is expressed in ppb (parts per billion) and represents
the possible clock drift.
Say you have a clock (e.g. an oscillator) which provides a fixe
Hello,
On Wed, Nov 27, 2013 at 01:44:44PM +0100, Boris BREZILLON wrote:
> The clock accuracy is expressed in ppb (parts per billion) and represents
> the possible clock drift.
> Say you have a clock (e.g. an oscillator) which provides a fixed clock of
> 20MHz with an accuracy of +- 20Hz. This accu
The clock accuracy is expressed in ppb (parts per billion) and represents
the possible clock drift.
Say you have a clock (e.g. an oscillator) which provides a fixed clock of
20MHz with an accuracy of +- 20Hz. This accuracy expressed in ppb is
20Hz/20MHz = 1000 ppb (or 1 ppm).
Clock users may need
