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Temperature compensation (Read 2132 times)
Ghitani
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Temperature compensation
Apr 17th, 2008, 5:49pm  
Hi everybody,

Can anyone suggest me ideas for temperature compensation in ring ICO i.e. making tuning C/Cs less
sensetive to temperature variations?

Thanks,

Ghitani
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Berti
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Re: Temperature compensation
Reply #1 - Apr 17th, 2008, 11:42pm  
Should your ring-ICO need a bias current you could use a PTAT current.
I some cases this helps to reduce the temperature variations (depending on
the implementation of the ICO).

Cheers
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Ghitani
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Re: Temperature compensation
Reply #2 - Apr 18th, 2008, 4:05am  
Thanks for your reply.
Regarding architecture, I used replica bias ICO with a differential delay cell of triode load (similar to Razavi's).

Is the PTAT current is the only solution?

Thanks,
Ghitani
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