[time-nuts] 15Mhz in 10MHz out?

[Bruce Griffiths]

Dual JK flipflop configured as divide by 3 producing a 33% duty cycle 5MHz output which is filtered to extract the 10MHz second harmonic component.

Bruce
> On 18 September 2019 at 21:08 "David C. Partridge" <david.partridge at perdrix.co.uk> wrote:
> 
> 
> Having seen the recent discussion of the NB3N502 and other PLLs for
> frequency multiplication.  I'm wondering if anyone knows of a similar
> *small* IC that will convert 15MHz to 10MHz ?
> 
> Why? My current modifications to the KS24361 output 10Mhz signals regardless
> of whether the unit has lock.   ISTR that the original 15MHz output was only
> enabled when the unit had lock.   I'd like to redo the PCB which I put in
> place of the 15MHz band-pass filter and replace it with one that takes 15Mhz
> an outputs 10Mhz.
> 
> Thanks
> David
> 
> 
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