[Gllug] iPhone 4 or Android phone

[general_email at technicalbloke.com]

On 16/07/10 22:05, Nix wrote:
> On 16 Jul 2010, general told this:
>
>    
>> On 16/07/10 11:16, James Courtier-Dutton wrote:
>>      
>>> There is a way round the noise caused by smartphone CPUs, and that is
>>> by moving them to a new CPU technology called async clocking instead
>>> of sync clocking.
>>> Async clocked CPU are somewhat expensive at the moment, but hopefully
>>> soon this will improve.
>>>        
>> Interesting then that my 8 year old P4 motherboard supports it ;) When I
>>      
> I think that's spread-spectrum clocking, making the clock signal very
> slightly irregular (roughly). It is an RF noise reduction technique, but
> quite different from async clocking, in which there is no single clock
> signal per se at all.
>    

Ah, I see, educational stuff this internets eh? :)

Roger.



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