[time-nuts] Sound Cards for locking to GPSDO 10 MHz references

Alberto di Bene dibene at usa.net
Tue Jun 2 15:51:03 EDT 2009


Magnus Danielson wrote:
> 
>> No need to switch on the soldering iron...
>> Never do in hardware what can be done in software.... :-)
> 
> Respectfully I disagree. There are tasks which is better managed by 
> software and tasks which is better managed by hardware. In the world of 
> FPGAs, it is also worth mentioning that some tasks is best done there.
> The big trick is to find a balance between various methods, available 
> resources, partitioning of the problem, doing it on time and achieving 
> the needed performance.
> 

Of course you are right, the best solution must be decided case by case.
But the biggest plus of the software is that it can be changed on the fly,
without an expensive reworking station, and the manual ability to correctly
use it.  And a side effect is speed : you can test many variants of a solution
in a time frame of a few minutes.  Not so easily doable with hardware changes.

73  Alberto  i2PHD





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