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

[David C. Partridge]

Not enough room for one of those - which is why I asked for *small* :)
Probably should have specified 50% duty cycle too! 

Add a BPF that won't pass 5MHz and will pass 10Mhz and my space budget is
way more than blown.

David

-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at lists.febo.com] On Behalf Of Bruce
Griffiths
Sent: 18 September 2019 13:54
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] 15Mhz in 10MHz out?

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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