[time-nuts] 10 MHz -> 16 MHz clock multiplier

Said Jackson saidjack at aol.com
Thu Jan 3 05:15:49 UTC 2013


How about simply using a 16MHz GPSDO?

We have shipped FireFly-1A units with 16MHz Ocxo..

Those can also generate 16MHz out of a 1PPS reference.

Bye,
Said

Sent From iPhone

On Jan 2, 2013, at 12:58, Gerhard Hoffmann <dk4xp at arcor.de> wrote:

> Am 02.01.2013 19:54, schrieb Tom Van Baak:
>> What's the simplest way to generate 16 MHz from 10 MHz? This will be for clocking a microcontroller at 16 MHz given 10 MHz (Cs/Rb/GPSDO). Low price and low parts count is a goal; jitter is not a concern but absolute long-term phase coherence is a must.
>> 
> 
> Probably not the simplest way, but straightforward & maybe you can recycle parts of it:
> 
> 
> http://www.hoffmann-hochfrequenz.de/downloads/vnwa_sync_1.1.pdf
> 
> http://www.hoffmann-hochfrequenz.de/downloads/vnwa_sync_1.1_layout.png
> 
> 
> That's how I did     (optional) 10 MHz  ---> 32 MHz for my DG8SAQ VNWA.
> parts are cheap & available  @ digikey.
> 
> 
> regards, Gerhard
> 
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