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

paul swed paulswedb at gmail.com
Wed Sep 18 14:53:53 UTC 2019


I did look at my notes I only have the ocxo version no RB. There is a tap
point that delivers 10 MHz. This needs to be buffered and filtered. Both
easily done.

Paul
WB8TSL

On Wed, Sep 18, 2019 at 10:09 AM Bruce Griffiths <bruce.griffiths at xtra.co.nz>
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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