[time-nuts] 74HCT9046A Max. Operating Frequency
gigneil at gmail.com
Thu May 1 04:39:03 UTC 2014
I just implemented a design with an Si Labs 5335 with stellar results....
even with a cheap crystal it produces a practically zero drift result.
On Wednesday, April 30, 2014, Magnus Danielson <magnus at rubidium.dyndns.org>
> On 05/01/2014 12:10 AM, Daniel Mendes wrote:
>> Em 30/04/2014 13:38, Magnus Danielson escreveu:
>>> You should direct your comments to Samuel that is doing a design.
>> He replied to me because I also asked a question about the 74HCT9046A.
> Ah, yes. Memory is good when you have it.
> I know very well about keeping the comparator frequency high, and that
>>> the 9045 may not be the ideal comparator.
>> What I understood about this thread is that the comparators have maximum
>> frequencies also, and that they are lower than the maximum VCO
>> frequency... maybe that was my mistake. Must return to the drawing board.
> A few flip-flops to bring the frequency down by a factor of 2 or 4 should
> do it.
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