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

[David G. McGaw]

There are simple circuits that can do a 50% duty cycle /3, then double 
to 10 MHz and filter.  You can search for Divide by 1.5.

David N1HAC

On 9/18/19 8:54 AM, Bruce Griffiths wrote:
> 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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