[time-nuts] 4.19 MHz xtal

[Dave M]

Neville Michie wrote:
> Hi,
> I have a Philips quartz clock that runs on 4.19 MHz.
> In spite of the high frequency it still runs for years
> on a C cell.
> Can any of the quartz crystal gurus explain why this
> frequency was chosen? I believe that this clock was
> supposed to have better than usual accuracy.
> Philips always had a high level of engineering excellence.
>
> cheers,
> Neville Michie
>


Your clock's crystal is more likely 4,194304 Mhz, which can be divided down 
to 1Hz, which is used by your clock to keep time to the second.

Dave M