[time-nuts] Generating a solid PPS from 10Mhz source

Hal Murray hmurray at megapathdsl.net
Sat Jan 16 03:00:37 EST 2016


kb8tq at n1k.org said:
> The astonishing part of this “new world” is that a very complex chip that is
> made in high volume is cheaper than a handful of less popular (but far less
> complex) chips. 

It would be interesting to see the die sizes.

Another advantage of the CPU solution is that you can make a large class of 
changes by just tweaking the software.  For example changing the input from 
10 MHz to 5 MHz or 1 MHz.  That's also a disadvantage - somebody has to write 
the software.

Adding software to a project adds another layer of management problems.  If 
the software is really simple that's not much of a problem, you write it once 
and debug it and then you don't have to fix any bugs.  But software easily 
gets complicated which means bugs, and hardware guys are often poor at 
software engineering and/or project management when software is involved.  
(Software geeks are usually bad at it too.)



-- 
These are my opinions.  I hate spam.






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