[time-nuts] Rakon HSO-14

jimlux jimlux at earthlink.net
Sat Feb 3 19:05:51 EST 2018

On 2/3/18 3:31 PM, Poul-Henning Kamp wrote:
> --------
> In message <31183984-ed9d-60e1-6528-76dfde5f3f27 at rubidium.dyndns.org>, Magnus D
> anielson writes:
>> The slots and thus the remaining bridges seems to have been a relatively
>> simple stage of the process. Orientation of the blank seems to have been
>> simple. The shapes for the electrodes seems to have been worse.

> I have no idea if the result would actually work and be on frequency,
> or for that matter, where I can borrow one of those machines, but...

with increased use of very high performance DDS and PLLs, the precise 
frequency may not be as important as it was when you were limited to 
straight up multiplication/mixing synthesis.

I suspect that a "10 MHz +/- 100kHz" might be a higher yield requirement 
than 10 MHz +/- 1ppm or +/- 1 ppb.

You could focus more on aging behavior.

> The prices mentioned were not prohibitive in the context, you would
> break even well before a thousand units at the prices mentioned.
> Poul-Henning
> [1] Surprising to me is that modern dentists are highly kitted for
> CNC-ing very hard ceramic materials at high precision.

But, small "tooth sized" pieces - how big is your crystal.


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