[time-nuts] 15Mhz in 10MHz out?
ew
ewkehren at aol.com
Wed Sep 18 14:36:35 UTC 2019
One dual D with an XOR gives you a 50% duty cycle
Bert Kehren
In a message dated 9/18/2019 10:09:43 AM Eastern Standard Time, bruce.griffiths at xtra.co.nz writes:
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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